Short answer: the B&O Beolit 20 on measured sound quality, the Onn Medium Party Speaker Gen 2 on price. The B&O Beolit 20 ranks #48 of 112 boombox speakers, rated 3.4/5, at $749. The Onn Medium Party Speaker Gen 2 ranks #65, rated 3.1/5, at $90, $659 cheaper.
The Onn Medium Party Speaker Gen 2 is the longer-running, tougher option. An affordable waterproof party speaker with a big woofer, lights, a karaoke mic input and FM radio. It is rated for 20 hours of battery against 8 for the B&O Beolit 20. It is rated IPX7 against IPX4 for the B&O Beolit 20. It links with other speakers (Party Sync Mode), which the B&O Beolit 20 cannot. Watch for: Lacking detail compared to the Onn Large Party gen 2 and not as deep of bass.
The B&O Beolit 20 is the lighter choice. A premium designer portable with 360 degree sound and a top that doubles as a wireless phone charger. At 6 lbs (2.7 kg) it weighs much less than the Onn Medium Party Speaker Gen 2 at 11 lbs (5 kg). It has an adjustable EQ, which the Onn Medium Party Speaker Gen 2 lacks.
Buy the Onn Medium Party Speaker Gen 2 if the price is the priority over sound quality, or the B&O Beolit 20 if sound quality is the priority over the price.
Looking for alternatives? See the complete Portable Bluetooth rankings.
An affordable waterproof party speaker with a big woofer, lights, a karaoke mic input and FM radio.
A premium designer portable with 360 degree sound and a top that doubles as a wireless phone charger.
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
| Onn Medium Party Speaker Gen 2 | B&O Beolit 20 | |
|---|---|---|
| Price | $90 | $749.00 |
| Ranked | #65 of 112 in Boombox Size Portable Bluetooth Speakers | #48 of 112 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Battery Life | 20 hours (Manufacturer specified) | 8 hours (Manufacturer specified) |
| FM Tuner | Yes (16 presets) | - |
| IP Rating | IPX7 | IPX4 |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Party Mode | Yes (Party Sync Mode) | No |
| Power Bank | Yes (USB-A, 5V/2.1A) | Yes (USB-C) |
| Power Input | AC Power cord | USB-C |
| Stereo | No | No |
| Omnidirectional | No | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| App | No | Yes (Bang & Olufsen app) |
| EQ | No | Yes (App EQ) |
| TWS | Yes | Yes |
| USB Playback | No | No |
| Built-in Microphone | No | Yes |
| Amplifier Power | 50W RMS / 200W peak | 240W peak |
| Dimensions | 9.6” x 10.9” x 15.1” (244.1 x 277.9 x 383 mm) | 5.3” x 9.1” x 7.4” (135 x 230 x 189 mm) |
| Weight | 11 lbs (5 kg) | 6 lbs (2.7 kg) |
| Drivers | 8” (203mm) woofer + tweeters | 2x 30mm tweeters + 2x 40mm mid-range + 1x 60mm woofer + dual passive radiators |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Bass Extension (-10dB) | - | 45Hz |
| Maximum SPL | - | 93dB (Manufacturer specified) |
| Bluetooth Version | - | 4.2 |
| Strap | - | Yes (built-in strap) |
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