Short answer: the W-King X20. Both are rated 3.5/5 for sound quality (#43 and #44 of 113 boombox speakers), and the W-King X20 costs $229.99 against $399.99 for the Aiwa Exos-10, 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 W-King X20. Both are rated the same for sound quality, and it costs $170 less than the Aiwa Exos-10.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Prices on this page were last checked November 11, 2026 at 3:26 AM 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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Specifications Side By Side
| Aiwa Exos-10 | W-King X20 | |
|---|---|---|
| Price | $399.99 | $229.99 after coupon |
| Ranked | #44 of 113 in Boombox Size Portable Bluetooth Speakers | #43 of 113 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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