- The best Boombox
- Best 80s Boombox
- Best Street Style
- Value for Money
- Features of the Boombox
- Cultural Significance
- 1. JBL Boombox 2
- 2. Tenmiya Portable Bluetooth Speakers
- 3. PHILIPS PX840T Bluetooth Boombox
- 4. Sharp GX-BT9X
- 5. Toshiba TY CWU500 Wireless Boombox Speaker
- 6. Bumpboxx Flare8 Bluetooth Boombox
- 7. QFX J-220BT ReRun X Cassette Player Boombox
- 8. Studebaker SB2145B 80’s Retro Street Bluetooth Boombox
- 9. Victrola 1980s Retro Bluetooth Boombox
- Key Factors to Consider
- Audio Prowess
- Frequently Asked Questions (FAQs)
The best Boombox
JBL Boombox 2
The JBL Boombox 2 has excellent bass, warm sound, and great frequency response, and is portable enough to bring to any location, whether indoors or out — at the beach, on a hike, or by the pool — thanks to its many positive features.
Best 80s Boombox
Victrola Retro Boombox
A genuine retro boombox with all the modern features you could want, including Bluetooth and aux connectivity, is the Victrola 1980s Retro. With a wistful front-load CD player and an FM stereo analog radio, it transports us back a few years. Its style is as retro as the name would imply.
Best Street Style
A modern-looking boombox with a retro feel is the Bumpboxx Flare8 Bluetooth speaker. For those seeking a more portable retro box, it has a 12-hour playtime and a rechargeable battery.
Value for Money
Tenmiya A66 Boombox
With its three speakers, the Tenmiya, which costs less than $60, produces loud stereo sound. Richness can be heard in the mid-and high-range frequencies, and the passive subwoofer can produce powerful bass with little to no harmonic distortion.
Are you ready to turn up the volume and bring the party wherever you go? Look no further because we’ve got the ultimate guide to help you find the best boombox on the market! Whether you’re a music enthusiast, an outdoor adventurer, or someone who simply loves the nostalgia of the ’80s, a boombox is the perfect companion to amplify your audio experience. Join us as we dive into the world of boomboxes, exploring their features, benefits, and how to choose the perfect one for your needs.
From street corners to beach parties, boomboxes have been the symbol of music on the move since their introduction in the late ’70s. These portable audio systems became a cultural phenomenon, with their robust sound, eye-catching designs, and ability to captivate crowds. Today, boomboxes have evolved, combining classic charm with modern features and technologies, making them an essential gadget for any music lover.
What is a Boombox?
As previously mentioned, the boombox is a portable music player that peaked in popularity around 40 years ago before being supplanted by Walkman. In the late 1970s, it was released onto the American market. In the post-vinyl era at this time, a lot of music was distributed via cassette.
The boombox significantly contributed to the spread of music, making it mobile for the first time. This was the only way to share your music and listen on the go before better car stereos or Walkmans were available.
Particularly, the boombox’s emergence aided the expansion of hip-hop culture. It made a significant contribution to the hip-hop aesthetic, and many of the early hip-hop acts of the time were inspired to create that style of music by its powerful booming bass. It was more than just a recorder. Hip-hop artists frequently appeared with boxes on their shoulders, and some even composed songs about them.
Features of the Boombox
A CD player was added later, along with one or two cassette recorders, an AM/FM radio, and other features. The boombox’s size and shape increased along with the demand for deeper bass. The boombox’s bass grew louder as it got bigger and heavier.
It was initially made to be portable and frequently came in a single, handle-equipped plastic or metal case that resembled a briefcase. Several of the boomboxes in this article adopt a vintage aesthetic. Collectors who look for the larger, more briefcase-like models today are very interested in the appearance of the older Boombox designs.
Boomboxes from the 1980s had cultural significance. Street dancing and the popularity of hip-hop music in the US all contributed to its close association with hip-hop culture. The vintage boombox was the “must-have” accessory if you wanted to take your music with you.
A boombox contained the following components:
- Two loudspeakers or more
- Radio tuner
- An amp
- Cassette player
Bluetooth capabilities are one of the many new features and specifications that modern boomboxes have whereas older ones do not.
The same purpose that an old-school boombox served—a shared communal experience of portable music—has been fulfilled by Bluetooth boomboxes. The Bluetooth boomboxes feature 80s boombox designs.
Today’s Bluetooth boomboxes can function as guitar amplifiers, have AM/FM tuners, and even play cassettes, as you can read about further down in this article.
Our Selection of the Best Boombox
1. JBL Boombox 2
Specs & Features
|Power:||4 x 40 W RMS|
|Waterproof Rating:||IPX 7|
|Dimensions:||12.76” x 9.33” x 21.97”|
The incredibly well-liked first JBL Boombox’s replacement is the JBL Boombox 2. This JBL Boombox is the biggest in relation to the original. It can produce powerful sound for up to 24 hours before requiring a recharge, and because it has an IPX7 waterproof rating, you can use it with confidence in a variety of outdoor settings.
Boombox 2 resembles the original JBL Boombox in appearance. With control buttons on top, fabric covering most of the speaker, and a sturdy integrated carrying handle for simple transport, it is resistant to wear and tear.
The JBL Boombox 2 looks better overall than the original JBL Boombox thanks to the stylish passive radiators. It is also slightly bigger in terms of height and weight, though you might not notice the difference until you start carrying the speaker around.
You can use it for a full day of loud listening. The new Boombox 2 is a 160-watt speaker that is louder than the original Boombox when playing off its built-in battery. The signal-to-noise ratio is excellent, at >80dB.
It’s a cool touch that the radiators shoot out when the speaker is playing music. Due to its excellent audio quality, the Boombox 2 is one of the best boomboxes. Your favorite songs’ low and high frequencies can be transmitted thanks to the powerful bass, clear highs, and excellent frequency response of 50Hz to 20kHz.
It has a power bank built into it. The JBL Boombox 2 can play music for up to 24 hours, but your phone might not be able to. Simply connect your phone to the power bank to listen to music continuously. It has two passive radiators on each side, two 4-inch woofers, and two 0.8-inch tweeters. The battery requires 6.5 hours to fully charge, and a power adaptor bearing the JBL logo is included.
A 3.5mm audio cable input, Bluetooth version 5.1, JBL PartyBoost, and other features are available on the JBL Boombox 2. If you want to increase the volume even further, PartyBoost allows you to link multiple JBL PartyBoost-compatible speakers together.
Right, bigger is better. The USB C port, which most modern devices have, is the only one the Boombox 2 lacks in terms of ports. For recharging your phone and other devices, it does have a USB A port.
2. Tenmiya Portable Bluetooth Speakers
Specs & Features
|Power:||20 W + 5 W *2|
|Dimensions:||14” x 6.3” x 8.3”|
A portable Bluetooth speaker that would work well in any outdoor environment is the Tenmiya A66. It is neither overly large nor overly sensitive to various environments. It has a strong sound that produces excellent audio quality and a relaxing listening experience.
It is portable and has dimensions of 14 x 6.3 x 8.3 inches. It comes with a detachable shoulder strap and a great carrying handle. Whether you go camping, hiking, or just to the beach, it is truly the ideal addition to your outdoor activity. It is portable and only has a weight of slightly more than 4 pounds. With its vibrant RGB lights, the Tenmiya Bluetooth Speaker is a complete party starter that really gets the party started.
In order to provide an excellent acoustical experience, the loudspeaker cavity has a special structure.
This Bluetooth boombox’s three speakers produce ear-piercing stereo sound. Richness can be heard in the mid- and high-range frequencies, and the passive subwoofer can produce powerful bass with little to no harmonic distortion. A great listening experience is provided by the A66.
You can use the EQ presets while singing your favorite songs with a microphone connected to the jack. The 10 hour continuous playing time provided by the rechargeable battery is fantastic for those who want to listen to music all day long.
The two tweeters are 2.5 inches each, and the speaker driver is 4 inches. A remote control, an aux audio cable, and a USB charging cable are all included in the package. It has both an FM radio and an intelligent remote control, allowing you to switch between songs or radio stations no matter where you are (but within 10 feet). The Tenmiya A66 has a 10-hour playing time.
The 4.1 Bluetooth chip in this Bluetooth boombox makes it simple for it to connect to any other Bluetooth-enabled device, and it supports Bluetooth 4.2 wireless connection. It has a Bluetooth connection that works with any iPhone, iPad, Samsung, or HTC device. It also has an audio aux cable that you can use to connect to a TV, laptop, or other non-Bluetooth device.
3. PHILIPS PX840T Bluetooth Boombox
Specs & Features
|Power:||50 W RMS|
|Dimensions:||8.78” x 20.59” x 8.27”|
The Philips PX840T is a lightweight speaker with exceptional durability. It is incredibly adaptable because it has stylish good looks and good audio as well. It has a cool look, is portable, and is easy to carry!
The Boombox’s futuristic design, which combines traditional black with gold and ocean blue, is a complete game-changer in terms of fashion. It looks contemporary and would blend in beautifully with the decor of your home or even in a party setting. When you play your preferred music, the digital display even comes to life. It has four speakers in total, including two front tweeters. It is 8.78″ x 20.59″ x 8.27″ in size.
Even though the speaker is lightweight and small, an ergonomic handle would make it even more portable. This could be considered a drawback.
Even though it’s a mid-range speaker, it sounds fantastic. It has a dynamic bass boost and 50 watts of power to produce a warm audio experience with a strong low end. The sound quality is excellent, and it can deliver audio that is both clear and crisp. With this Bluetooth boombox, Philips has lived up to their reputation as a reliable brand.
You can easily stream from your phone or play CDs. The player can play music loudly, and the AM/FM tuner functions well. The Bass boost is effective but leaves some room for interpretation. Unfortunately, a remote control is not included.
It can be quickly connected to your laptop, tablet, phone, or other music streaming devices thanks to its wireless Bluetooth connectivity. You can use a USB drive, the 3.5mm auxiliary input, or CDs to play music if you’d like. No need to worry about cables or connection problems with this player.
4. Sharp GX-BT9X
Specs & Features
|Power:||100 W RMS|
|Dimensions:||29.5” x 11” x 10.8”|
A large Bluetooth speaker with NFC capabilities and well-driven directional bass for a reasonable price is the Sharp GX-BT9X. While it might not be appropriate for the beach, it is unquestionably appropriate for a backyard party. Use it outside or inside. Even a mic or guitar mini-amp can be used with it.
It has a great and practical carrying strap that makes for simple transportation, and it is matte black in color. Despite having a larger build, this speaker compensates by producing excellent, full-quality sound. It appears contemporary and futuristic, albeit somewhat bulky. We have included the bulky style on our list because some people may prefer it. Everyone can find something.
With its X-bass, this Boombox offers bass-boosting technology and a full sound. It allows you to customize your music however you like, experiencing fantastic bass, mid-range, and crisp highs. It has different EQ modes for different genres. Its side-firing and bass boost optimizations make it distortion-free. You shouldn’t be disappointed by this speaker. The gadget has a tuner that enables more customization.
Even though the GX-BT9X costs about half as much as the JBL, it has some pretty impressive specs. This boombox runs on batteries, but the battery cannot be recharged. Depending on the volume of the music being played, the battery life of this boombox can last for several hours.
You could disable the blue woofer strobes if you wanted to conserve battery. The GX-BT9, an upgrade from the model it replaces, has had some bugs that needed to be fixed.
Along with the USB port, it has additional inputs, including NFC, Bluetooth, and an audio jack for connecting to devices without Bluetooth. The USB port is very useful because it enables access to drives that contain more than 65 000 songs, and you can play music directly from your USB through it. The USB port can also be used as a hub for charging your phone.
5. Toshiba TY CWU500 Wireless Boombox Speaker
Specs & Features
|Dimensions:||19.7” x 7.9” x 8.3”|
By connecting your guitar or microphone and using this wireless boombox as a PA system or amplifier, you can stream music from any device. It is a boombox with all the contemporary features you could want. With a stereo FM, CD player, and Bluetooth, it is multi-functional and simple to operate with a remote control.
This Bluetooth boombox in matte black has a digital display, a strong top strap for carrying convenience, and a disco LED light with switchable flashing modes. It is a fantastic find given its portability and weight and the fact that the size is not as small as anticipated. Both rechargeable batteries and non-rechargeable batteries are available.
The rechargeable option is the best choice, but if you want to save money, go with the non-rechargeable one instead. The only component that this device would need to have a true boombox feel would be a cassette deck, though this is an addition that more vintage boomboxes have.
With two additional passive speakers to boost it, Toshiba hit a home run with this portable boombox. It has crisp highs and really deep bass. The EQ performs as it should when using presets, which include the 5 EQ modes of Flat, Rock, Jazz, Classic, and Pop. In other words, you can easily adjust it to fit the type of music you are listening to. It is a mid-range system, but it offers excellent value.
This speaker fulfills all of your wishes and then some. It runs on 8 “D” size batteries and has two 12.5 W speakers. It has an excellent signal-to-noise ratio and two passive speakers to boost bass. The CD playback lasts about 3 hours, and the battery life is around 10 hours. The Bluetooth is version 3.0, and the radio unit can receive FM radio.
Aux, phone jack, CD Player, and Bluetooth Version 5.0 are among the features. This device’s top-loading CD player can play CDs, CD-Rs, and CD-RWs. In addition to Bluetooth and aux connectivity, it has an AC cord, a remote control, and a USB input for playing music. Access is made very simple by having a remote control because you can operate the speaker from anywhere in the room.
6. Bumpboxx Flare8 Bluetooth Boombox
Specs & Features
|Dimensions:||28” x 8” x 16”|
The #1 Retro style Boombox brand in the world, Bumpboxx, produces the Bumpboxx Flare8 Bluetooth Boombox speaker, which has a retro aesthetic but a contemporary design. For those seeking a more portable retro box, it has a 12-hour playtime and a rechargeable battery.
This boombox is an improvement over the Flare6 model and has a stylish design and a variety of colors. It also includes a remote control so users can easily access its features, skip any monotonous songs, and keep partygoers on their toes.
It is very simple to transport because it has a carrying strap and an ergonomic handlebar. With a 28-inch length and 8-inch width, this speaker is quite big, but it’s also a great party starter and looks nice with the LED VU display. The Bumpboxx logo and the iconic “B” that lights up are combined with 9 LEDs that move in time with the music on the speaker’s front. Two lovely rubber stoppers on the bottom of the box keep it in place.
Its audio output could be characterized as having deep bass and clear highs—a great boombox with excellent sound and build quality. The Bumpboxx Flare8 would be ideal for outdoor use because it is louder than other boxes. However, the bass could be stronger. It has a propensity to distort, which could be a major problem if you want to increase the volume.
It has five EQ settings that let you adjust your sound. This is a great feature, especially if you want to use a guitar or microphone because it will let you adjust your sound in a way that is similar to how a mixer works at a live event. If you want a loudspeaker, this is the one to choose because it can reach a maximum volume of 118dB thanks to its 200 watts of power.
It has a 3-inch tweeter and two 8-inch woofers. It has a “power saving mode” in addition to the lithium rechargeable battery and its 5 EQ Settings. Its output will be reduced when in power-saving mode, but the battery life will increase. This might be helpful if you are far from a charging station.
Both a 3.5 mm aux input and long-distance Bluetooth connectivity are available on the Flare8 Boombox. A USB drive can be used as a charging port or to play music. It even has audio in/out and True Wireless Stereo (TWS) Pairing for connecting devices to it.
The microphone input and wireless microphone that are included with this Boombox are other features that distinguish it from other models. Furthermore, the Flare8 functions as a guitar amplifier. You can use the knob for the echo effect with your guitar or a microphone.
7. QFX J-220BT ReRun X Cassette Player Boombox
Specs & Features
|Dimensions:||14.37” x 4.8” x 7.76”|
This portable Boombox has a cassette player and a 3-band equalizer that makes sound adjustments simple. With its 4-band radio, you have a variety of listening and recording options.
The boombox created by QFX has a genuine vintage appearance. It has analog buttons, a four-band radio cassette recorder, and a swivel-carrying handle. It has four times “D” battery support and is available in the traditional black color. For regular use at home, it can be plugged in or powered by batteries.
This radio has a 3-band graphic equalizer that enables some treble, middle, and bass sound customization. Additionally, it has two 3-inch speakers and a 4-band radio with AM, FM, SW1, and 2. Excellent radio reception is something that the QFX values and the J-220BT ReRun Boombox player is designed to deliver just that.
Although the sound is boxy, it is loud enough. The top frequencies sound better, but the bass is a little weaker. The built-in microphone can record audio at the touch of a button, but the playback quality isn’t as good, making it a more economical choice.
The boombox features two 3-inch speakers and an integrated microphone for convenient recording. This speaker is softer than others due to the two mono speakers’ combined 9 watts of output, but it works well for listening to radios at home. It’s pretty cool that you can use old cassette tapes or even record over them.
The Bluetooth range of the J-220BT is up to 30 feet. a USB, SD, and cassette player/recorder. You can plug your microphone into the microphone input, which has USB and SD slots, and immediately start using it. A tape and radio USB switch, a DC jack, and an AC socket are additional features. Unfortunately, it cannot record over Bluetooth. It has a 4-band radio with AM, FM, SW1, and SW2.
8. Studebaker SB2145B 80’s Retro Street Bluetooth Boombox
Specs & Features
|Power:||10 W RMS|
|Dimensions:||5.5” x 18” x 10”|
With a multi-color LED EQ, the Studebaker SB2145B is a true party speaker that ought to excite everyone in attendance. It is transportable and has a variety of Bluetooth and auxiliary connection options for music streaming. Due to Studebaker’s efforts to transport it back to the 1980s, this vintage boombox appears genuine.
It’s all about nostalgia! The speaker of choice for jogging memories is this one. Studebaker created this Retro Street version of the Bluetooth boombox. It’s a great party speaker because the multi-color LED EQ illuminates in time with the music.
There are four color options: rose gold, red, silver, and black. This SB2145B Retro Street has a handy carrying handle and an integrated rechargeable lithium battery, bringing back the look of the 1980s. The item has a 10-inch height, an 18-inch width, and a 5.5-inch depth.
It is an entertaining speaker with good sound quality that supports CDs and CD-R/RW. You have a master volume control, treble and bass controls, and a left/right balance control on its front. The FM radio is functional. This radio’s sound quality is respectable and would improve the atmosphere at any gathering. Why not play some of your vintage CDs to give the party a nostalgic feel?
Although you shouldn’t expect this device to have powerful bass, it is loud enough given its wattage. Two 5-watt speakers are present. Both the frequency range and the driver specifications are kept secret. The SB2145B has a 5-foot power cord, is simply rechargeable, and comes with an AC adapter.
It has a front-loading CD player that supports CD-R/RW. It is incredibly portable and simple to connect to and play from any device with Bluetooth connectivity thanks to its Bluetooth 4.0 connectivity as well. Both the auxiliary input and the headphone jack are available for use. either for listening or for recording settings.
9. Victrola 1980s Retro Bluetooth Boombox
Specs & Features
|Dimensions:||16.06” x 10.51” x 5.35”|
The Victrola 1980s Retro Bluetooth Boombox has a retro aesthetic and includes all the necessary controls, a built-in cassette player, and modern features. It has excellent Bluetooth connectivity, is simple to use, and has high-quality audio.
With a telescoping antenna and carrying handle, this stereo speaker is available in silver.
Even though it was made in 2019, the cassette deck on the font takes a while to open, but this is a nice touch that gives it a vintage feel.
The Boombox case has a slightly plasticky feel, but this only enhances the retro design. It is an accurate recreation of the vintage boombox and would make a wonderful gift. It has a transparent window so you can see the cassette tapes, which is a nice touch. On the front of the box, there is an LED clock display as well. Its dimensions are 17.87 by 5.31 by 9.44 inches.
The boombox has good functionality, respectable audio quality, and a wide range of loudness options. It will undoubtedly sound the best CD Boombox with solid bass under $200! The mids and highs are clearly audible, and the system sounds fantastic.
It can also be powered by an AC plug and runs on eight D-size batteries or two “AA” batteries (8 D batteries not included).
Although the Bluetooth range can extend up to 33 feet, you can also use a regular 3.5 aux-in to connect directly to your Android, iPhone, computer, or other music streaming device if you are not interested in streaming.
The front-load cassette player accepts cassettes, and the AM/FM radio features a recording feature. Additionally, an SD card player and a USB that can record directly are required. For playing music from various audio sources, it even has a headphone jack on the side panel and is portable.
Comparison Between Boomboxes And Bluetooth Speakers
Although the contemporary Bluetooth speaker and contemporary boombox share many similarities, there are a few things to point out that set them apart.
Boomboxes are more akin to portable music players with a cassette recorder, and contemporary boomboxes are capable of producing output volumes that are comparable to those of full audio systems.
Boomboxes have become more comparable to standard Bluetooth speakers as a result of the addition of Bluetooth, and they are now more portable than ever because they don’t require an electrical outlet to function.
Depending on which boombox you are comparing, of course, it typically has a rechargeable battery just like any other contemporary Bluetooth speaker and the playtime is comparable. Since the boombox typically has Bluetooth pairing and other connectivity options, you could even call it a Bluetooth speaker. The boombox would typically be a larger build, whereas a modern Bluetooth speaker is typically available in all sizes.
The early 1970s saw the development of the low-cost music system known as the boombox from the 1980s. It sought to deliver high-fidelity audio in compact form. The boomboxes typically came with an AM/FM radio, CD player, and stereophonic radio receiver with a cassette tape recorder.
Boomboxes used to be fairly standard back in the day; they typically had a silver/grey metal case but occasionally had black cases as well. They didn’t offer much in the way of design, which is also why they gained popularity. They resembled a briefcase somewhat and were heavy and tough, but that was the point.
On the other hand, a modern boombox has all of these features and more. Boomboxes are now more portable than ever thanks to rechargeable batteries, Bluetooth, and other pairing options. They could even have a power bank to recharge other gadgets like iPods, phones, and other things. No matter what color or material you prefer, you can find anything among their incredibly diverse designs.
Boombox Buyers Guide
Key Factors to Consider
- Intended Use: Are you looking for a boombox to use indoors or outdoors? Determining the primary use will help you narrow down your options based on durability, water resistance, and size.
- Battery Life: For extended playtime, select a boombox with long-lasting battery life. Consider your usage patterns, such as occasional outings or all-day events, and choose accordingly.
- Design and Style: Boomboxes come in various designs, from sleek and modern to retro-inspired. Find a style that matches your personality and complements your taste, making your boombox a statement piece wherever you take it.
They can have different sizes and be excessively small, like a cube or oval box, moderately sized, like a standalone speaker, or extremely large, like a boombox in the shape of a barrel. The weight must be taken into account as well as the size. You want to be able to take a boombox speaker with you wherever you go.
For example, think about your preferred connectivity method. Bluetooth is not supported by all boomboxes. Even cassettes and CDs should be supported by a boombox, along with a variety of digital and analog formats. Consider what kind of boombox you need and for what purpose before making a purchase. The following devices are compatible with some of our boomboxes:
- Cassette tapes (Play and Record)
- AM/FM radio reception
- Mp3 and WMA file formats
- SD Card & MMC readers
- USB & Memory stick readers
- HDMI port
- Aux-In port for connecting audio devices
Many people search for a portable Bluetooth boombox, and in this case, the speaker’s suitability depends on how well it can withstand water or dust if you want to take it on an adventure. IPX ratings are frequently used to describe waterproof ratings. X denotes a dustproof rating, or more precisely, X indicates that there is no dust rating, which is advantageous. The waterproof rating is denoted by P.
A device with an IPX 7 rating can withstand submersion for approximately 30 minutes at a depth of 3 meters. International Protection or Ingress Protection is referred to as IP.
Some boomboxes are less portable than others because they don’t have rechargeable batteries and need a wired AC power supply. Some come with rechargeable batteries as well as AC power plugs.
With equalizers, also referred to as EQ, you can modify the audio that comes from your loudspeakers by adding or removing various frequency bands. This allows you to enhance the specific frequencies you want to hear more of when playing music rather than just turning up the volume. Do you think the music needs more bass? Just increase your EQ’s bass setting.
There are various kinds of equalizers; some are straightforward while others are more complex. Some allow volume control for a particular frequency band; these are known as fixed EQs. When an equalizer has three knobs, it is referred to as a 3-band equalizer and essentially has one knob each for the bass, mids, and treble. These are quite typical.
There are various types of EQs and they are used in music mixing. These EQs are typically more advanced and focus on particular frequencies that could make or break a mix. Boomboxes and other loudspeakers typically have simpler, more straightforward EQs that let the user adjust the music to their preferences rather than mixing it.
Keep in mind that turning up the bass knob won’t magically add bass if the music you’re listening to lacks it. Be wise in your EQ decisions, then.
The heart and soul of a boombox lie in its audio performance. Look for features like powerful speakers, deep bass, and crisp highs to ensure an immersive listening experience. Additionally, consider the boombox’s wattage, the audio formats it supports, and the presence of equalizers or sound enhancement features.