Short answer: the B&O Beolit 20 on measured sound quality, the Demerbox DB2 on price. The B&O Beolit 20 ranks #33 of 75 boombox speakers at $599.99. The Demerbox DB2 ranks #51 at $400, $199.99 cheaper.
What the B&O Beolit 20 offers: Wireless phone charging. Watch for: Warm sound.
What the Demerbox DB2 offers: 40+ hour battery life even at higher volumes (real-world: ~14 hrs with phone charging mixed in). Watch for: Bass is not as deep as better speakers.
Buy the B&O Beolit 20 when sound quality outweighs the price for you, and the Demerbox DB2 when the price outweighs sound quality instead.
Battery life favors the Demerbox DB2: rated for 40 hours against 8 hours for the B&O Beolit 20.
Water resistance is not close: the Demerbox DB2 is rated at IP67 (brief submersion), well ahead of the B&O Beolit 20 at IPX4 (splashing).
Specifications Side By Side
| B&O Beolit 20 | Demerbox DB2 | |
|---|---|---|
| Price | $599.99 | $400 |
| Ranked | #33 of 75 in Boombox Size Portable Bluetooth Speakers | #51 of 75 in Boombox Size Portable Bluetooth Speakers |
| App | Yes (Bang & Olufsen app) | No |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 45Hz | - |
| Battery Life | 8 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| EQ | Yes (App EQ) | No |
| Stereo | No | Yes |
| Omnidirectional | Yes | No |
| TWS | Yes | Yes |
| Weight | 6 lbs / 2.7 kg | 5.4 lbs / 2.47 kg |
| Bluetooth Codecs | SBC | SBC |
| Party Mode | No | No |
| Power Bank | Yes (USB-C) | Yes (USB-A + USB-C) |
| USB Playback | No | No |
| Built in Microphone | Yes | No |
| Power Input | USB-C | AC Power brick |
| Output Power | 240W peak | 22W RMS |
| Dimensions | 5.3" x 9.1" x 7.4" (135 x 230 x 189 mm) | 10.6" x 9.7" x 6.9" (270 x 246 x 175 mm) |
| Drivers | 2x 30mm tweeters + 2x 40mm mid-range + 1x 60mm woofer + dual passive radiators | 2x 3" (76mm) aluminum cone full-range drivers |
| IP Rating | IPX4 | IP67 |
| Max Volume | 93dB | - |
| Digital Aux Input | No | No |
| FM Tuner | - | No |
Related Speaker Comparisons
More worthwhile head-to-heads for B&O Beolit 20:
- B&O Beolit 20 vs Earfun Uboom X
- B&O Beolit 20 vs Vifa Copenhagen 2.0
- JBL Boombox 4 vs B&O Beolit 20
- Harman Kardon Go + Play 2 vs B&O Beolit 20
- Harman Kardon Onyx Studio 5 vs B&O Beolit 20
Prices on this page were last checked September 9, 2026 at 6:54 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
B&O Beolit 20: $599.99 Amazon eBay
Pros: B&O Beolit 20 uses 2x 30mm tweeters + 2x 40mm mid-range + 1x 60mm woofer + dual passive radiators. Its 2.7 kg, claimed 8 hours (Manufacturer specified) battery life, IPX4 protection, aux input, up to 93dB and mono playback make it a practical option for its intended room or portable use.
Cons: Bass is limited by its 45Hz specification.
Full B&O Beolit 20 review and specifications →
| App | Yes (Bang & Olufsen app) |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 45Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 5.3" x 9.1" x 7.4" (135 x 230 x 189 mm) |
| Drivers | 2x 30mm tweeters + 2x 40mm mid-range + 1x 60mm woofer + dual passive radiators |
| EQ | Yes (App EQ) |
| IP Rating | IPX4 |
| Max Volume | 93dB |
| Omnidirectional | Yes |
| Output Power | 240W peak |
| Party Mode | No |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| USB Playback | No |
| Weight | 6 lbs / 2.7 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Joy & Oluv’Sone: B&O Beolit 20 vs Earfun UBoom X - everything fake? More from Oluv’Sone →
- Joy & Oluv’Sone: $600 premium Bluetooth speaker vs $115 cheapo UBoom X
- techkiste.net: B&O Beolit 20 vs Vifa Copenhagen 2.0 sound-comparison with different music-genres
- Oluv Patreon: B&O Beolit 20 - frequency response measurements
- Head-to-Head Comparisons
- B&O Beolit 20 vs JBL Authentics 300
- B&O Beolit 20 vs JBL Boombox 2
- B&O Beolit 20 vs Teufel Boomster 2021
- B&O Beolit 20 vs Soundcore Boom 2 Plus
- B&O Beolit 20 vs Zealot ZE01
- B&O Beolit 20 vs Teufel Boomster NG (2017)
- B&O Beolit 20 vs Zealot S95
- B&O Beolit 20 vs LG Xboom Stage 301
- See all 27 comparisons
Demerbox DB2: $400 Amazon eBay
Pros: 40+ hour battery life even at higher volumes (real-world: ~14 hrs with phone charging mixed in). Built from a Pelican case - nearly indestructible and waterproof (IP67). Multi-pair up to 6 units. Doubles as power bank and waterproof container.
Cons: Bass is not as deep as better speakers. Very overpriced.
Full Demerbox DB2 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 40 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 10.6" x 9.7" x 6.9" (270 x 246 x 175 mm) |
| Drivers | 2x 3" (76mm) aluminum cone full-range drivers |
| EQ | No |
| FM Tuner | No |
| IP Rating | IP67 |
| Omnidirectional | No |
| Output Power | 22W RMS |
| Party Mode | No |
| Power Bank | Yes (USB-A + USB-C) |
| Power Input | AC Power brick |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 5.4 lbs / 2.47 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons


