Short answer: the Aiwa Exos-10. Both are rated 3.5/5 for sound quality (#42 and #41 of 98 boombox speakers), and the Aiwa Exos-10 costs $199.99 against $229.99 for the W-King X20, and with sound quality even, the cheaper one is the better buy.
Clarity against bass. In a side by side test the Exos-10 was clearer than expected, with clean treble, good separation of instruments and vocals and no distortion. The W-King X20 reaches deeper in the bass, where the Exos-10 rolls off around 50Hz even with its bass maxed.
Loudness: they were even at 90%, but at 100% the X20 got about 2dB louder while the Exos-10 stopped climbing. The X20 measured about 112dB.
Features: the Exos-10 has FM radio, a remote, VU meters and Party Sync, with a claimed 12 hours. The X20 claims 24 hours with a power bank output, IPX6, microSD and USB playback.
Buy the Aiwa Exos-10. Both are rated the same for sound quality, and it costs $30 less than the W-King X20.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Aiwa Exos-10 | W-King X20 | |
|---|---|---|
| Price | $199.99 | $229.99 after coupon |
| Ranked | #42 of 98 in Boombox Size Portable Bluetooth Speakers | #41 of 98 in Boombox Size Portable Bluetooth Speakers |
| TWS | Yes | Yes |
| Drivers | 6.5” (165mm) subwoofer + full-range drivers, 4 passive radiators | 7.5” subwoofer + drivers |
| Amplifier Power | 200W RMS (40W x 2 + 120W) | 330W peak / 200W RMS |
| Battery Life | 12 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Removable Battery | No | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 5.4 |
| Aux Input | Yes | Yes |
| USB Playback | Yes | Yes |
| FM Tuner | Yes | - |
| Party Mode | Yes (Party Sync, 100+ speakers) | No |
| EQ | Yes (bass and treble) | Yes (App + button modes) |
| Stereo | Partially | Yes |
| App | - | Yes (W-King app) |
| Bass Extension (-10dB) | - | ~42Hz |
| IP Rating | - | IPX6 |
| Maximum SPL | - | 112dB (measured by Alan Ross Reviews) |
| MicroSD Playback | - | Yes |
| Power Bank | - | Yes (USB-A) |
| Power Input | - | USB-C |
| Omnidirectional | - | No |
| Bluetooth Codecs | - | SBC |
| Built-in Microphone | - | No |
| Dimensions | - | 19.9” x 8.5” x 10.6” (506 x 217 x 270 mm) |
| Weight | - | 15.9 lbs (7200 g) |
| Digital Aux Input | - | No |
Watch Them Compared
Videos and reviews that test both speakers side by side.
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Prices on this page were last checked October 12, 2026 at 4:13 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Aiwa Exos-10: $199.99 Amazon $199.99 eBay
Older model: the Aiwa Exos-9 (ranked higher, rated 4.2/5). See every Aiwa Exos generation.
Pros: Clear, clean treble with good separation of instruments and vocals, and no distortion even near full volume in a side by side test against the W-King X20, where it kept up in loudness at 90%. A 200W RMS tri-amplified design with a 6.5” woofer and four passive radiators, FM radio with presets, aux and USB inputs, a remote, analog-style VU meters and Party Sync with 100+ speakers.
Cons: It lacks deep bass: even with bass maxed it rolls off around 50Hz, where the W-King X20 and Zealot boomboxes reach deeper, and it is about 2dB quieter at full volume. Owners comparing it with the Aiwa Exos 9 it replaces find the older model clearer with tighter bass, and the Exos 10 drops the Exos 9’s 5-band EQ (only bass and treble) and removable battery. Claimed battery life is 12 hours.
Full Aiwa Exos-10 review and specifications →
| Released | Sep 2024 (2 years ago) |
|---|---|
| Amplifier Power | 200W RMS (40W x 2 + 120W) |
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Version | 5.0 |
| Drivers | 6.5” (165mm) subwoofer + full-range drivers, 4 passive radiators |
| EQ | Yes (bass and treble) |
| FM Tuner | Yes |
| Party Mode | Yes (Party Sync, 100+ speakers) |
| Removable Battery | No |
| Stereo | Partially |
| TWS | Yes |
| USB Playback | Yes |
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W-King X20: $229.99 after coupon Amazon $229.99 eBay
Pros: 200W RMS output with 330W peak power, 112dB max volume, exceptional 24-hour battery life with power bank, IPX6 waterproof, EQ with app control and button modes, 7.5-inch subwoofer, Bluetooth 5.3, dual pairing, MicroSD and USB playback, AUX input, TWS stereo mode with 240W combined. Measured bass extension of ~42Hz (-10dB).
Cons: Rising frequency response but upper treble rolled off, 700Hz and 1.2kHz peaks
Full W-King X20 review and specifications →
| Released | Jan 2024 (2 years ago) |
|---|---|
| Amplifier Power | 330W peak / 200W RMS |
| App | Yes (W-King app) |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~42Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.4 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 19.9” x 8.5” x 10.6” (506 x 217 x 270 mm) |
| Drivers | 7.5” subwoofer + drivers |
| EQ | Yes (App + button modes) |
| IP Rating | IPX6 |
| Maximum SPL | 112dB (measured by Alan Ross Reviews) |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 15.9 lbs (7200 g) |
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