Short answer: the B&O Beolit 20 on measured sound quality, the Yeahbox Sonic Boom Max 3 on price. The B&O Beolit 20 ranks #48 of 112 boombox speakers, rated 3.4/5, at $749. The Yeahbox Sonic Boom Max 3 ranks #59, rated 3.2/5, at $228.99, $520.01 cheaper.
The Yeahbox Sonic Boom Max 3 is the tougher choice. A large party speaker with powerful bass, a big fast charging battery and app EQ for outdoor parties. It is rated IPX6 against IPX4 for the B&O Beolit 20. It plays in stereo from a single unit, unlike the B&O Beolit 20. Watch for: There is limited independent testing and the water/dust rating is reported inconsistently across listings.
The B&O Beolit 20 is the lighter pick. 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 Yeahbox Sonic Boom Max 3 at 16.8 lbs (7.64 kg).
Buy the Yeahbox Sonic Boom Max 3 if the price is the priority over sound quality, or the B&O Beolit 20 if sound quality is the priority over the price.
Want more options? Browse the full Portable Bluetooth rankings.
A large party speaker with powerful bass, a big fast charging battery and app EQ for outdoor parties.
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
| Yeahbox Sonic Boom Max 3 | B&O Beolit 20 | |
|---|---|---|
| Price | $228.99 | $749.00 |
| Ranked | #59 of 112 in Boombox Size Portable Bluetooth Speakers | #48 of 112 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | Yes (Bang & Olufsen app) |
| Aux Input | Yes | Yes |
| Battery Life | 111Wh (14.8V/7,500mAh) (Manufacturer specified) | 8 hours (Manufacturer specified) |
| EQ | Yes | Yes (App EQ) |
| IP Rating | IPX6 | IPX4 |
| MicroSD Playback | Yes | - |
| Power Input | USB-C | USB-C |
| Stereo | Yes | No |
| Omnidirectional | No | Yes |
| TWS | Yes | Yes |
| Weight | 16.8 lbs (7.64 kg) | 6 lbs (2.7 kg) |
| USB Playback | Yes | No |
| Amplifier Power | 200W RMS / 300W Peak | 240W peak |
| Dimensions | 20.7” x 8.3” x 10.6” (525 x 210 x 268 mm) | 5.3” x 9.1” x 7.4” (135 x 230 x 189 mm) |
| Drivers | 189x114mm woofer, 2x 89mm midrange, 2x 38mm tweeters | 2x 30mm tweeters + 2x 40mm mid-range + 1x 60mm woofer + dual passive radiators |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 4.2 |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC |
| Lights | Yes | - |
| Strap | No | Yes (built-in strap) |
| Bass Extension (-10dB) | - | 45Hz |
| Party Mode | - | No |
| Power Bank | - | Yes (USB-C) |
| Built-in Microphone | - | Yes |
| Maximum SPL | - | 93dB (Manufacturer specified) |
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