Short answer: the W-King X20 on measured sound quality, the Onn Medium Party Speaker Gen 2 on price. The W-King X20 ranks #43 of 112 boombox speakers, rated 3.5/5, at $219.98. The Onn Medium Party Speaker Gen 2 ranks #65, rated 3.1/5, at $90, $129.98 cheaper.
The W-King X20 is the better-sounding pick. A loud stereo party speaker with a large subwoofer, a 24 hour battery with power bank, and water resistance. It has an adjustable EQ, which the Onn Medium Party Speaker Gen 2 lacks. It plays in stereo from a single unit, unlike the Onn Medium Party Speaker Gen 2. The catch: Rising frequency response but upper treble rolled off, 700Hz and 1.2kHz peaks.
The Onn Medium Party Speaker Gen 2 is the lighter pick. An affordable waterproof party speaker with a big woofer, lights, a karaoke mic input and FM radio. At 11 lbs (5 kg) it weighs noticeably less than the W-King X20 at 15.9 lbs (7.2 kg). It links with other speakers (Party Sync Mode), which the W-King X20 cannot. Watch for: Lacking detail compared to the Onn Large Party gen 2 and not as deep of bass.
Buy the W-King X20 if sound quality is the priority over the price, or the Onn Medium Party Speaker Gen 2 if the price is the priority over sound quality.
Want more options? Browse the full Portable Bluetooth rankings.
A loud stereo party speaker with a large subwoofer, a 24 hour battery with power bank, and water resistance.
An affordable waterproof party speaker with a big woofer, lights, a karaoke mic input and FM radio.
Prices on this page were last checked October 31, 2026 at 7:11 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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Specifications Side By Side
| W-King X20 | Onn Medium Party Speaker Gen 2 | |
|---|---|---|
| Price | $219.98 after coupon | $90 |
| Ranked | #43 of 112 in Boombox Size Portable Bluetooth Speakers | #65 of 112 in Boombox Size Portable Bluetooth Speakers |
| App | Yes (W-King app) | No |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | ~42Hz | - |
| EQ | Yes (App + button modes) | No |
| IP Rating | IPX6 | IPX7 |
| Maximum SPL | 112dB (measured by Alan Ross Reviews) | - |
| MicroSD Playback | Yes | - |
| Power Bank | Yes (USB-A) | Yes (USB-A, 5V/2.1A) |
| Power Input | USB-C | AC Power cord |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | No |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Party Mode | No | Yes (Party Sync Mode) |
| Built-in Microphone | No | No |
| Amplifier Power | 330W peak / 200W RMS | 50W RMS / 200W peak |
| Dimensions | 19.9” x 8.5” x 10.6” (506 x 217 x 270 mm) | 9.6” x 10.9” x 15.1” (244.1 x 277.9 x 383 mm) |
| Drivers | 7.5” subwoofer + drivers | 8” (203mm) woofer + tweeters |
| Weight | 15.9 lbs (7200 g) | 11 lbs (5 kg) |
| Digital Aux Input | No | No |
| Battery Life | 24 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Bluetooth Version | 5.4 | - |
| FM Tuner | - | Yes (16 presets) |
| Microphone Input | - | Yes (Karaoke mode with echo effect) |
| Lights | - | Yes |
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