Short answer: the Audiocase S10. It ranks #34 of 50 party speakers by sound quality at $892; the Diamondboxx L2 ranks #37 and costs $1000, so there is not much of a tradeoff to weigh.
What the Audiocase S10 offers: One of the loudest in category. Watch for: Not great sounding at low volumes.
What the Diamondboxx L2 offers: High-fidelity Class A/B amps with good bass response and clear sound at all volumes. Watch for: Boomyness in the 100hz region.
Buy the Audiocase S10. It ranks higher for sound quality than the Diamondboxx L2 and costs less, so there is no real case for the other one.

Specifications Side By Side
| Audiocase S10 | Diamondboxx L2 | |
|---|---|---|
| Price | $892 Discontinued | $1000 |
| Ranked | #34 of 50 in Party Size Portable Bluetooth Speakers | #37 of 50 in Party Size Portable Bluetooth Speakers |
| App | No | No |
| Aux Input | Yes | Yes |
| Battery Life | 30 hours (Manufacturer specified) | - |
| Bluetooth Codecs | aptX, SBC | aptX HD, SBC |
| Bluetooth Version | 5.0 | 4.2 |
| Dimensions | 25.6" x 15.7" x 11.8" (650 x 400 x 300 mm) | 23" x 14.5" x 9.5" (584.2 x 368.3 x 241.3 mm) |
| Drivers | 2x 10" woofers, 1" compression tweeter | 5.5" woofer, 1" tweeter |
| EQ | No | No |
| IP Rating | None | None |
| Party Mode | No | No |
| Power Bank | No | No |
| Removable Battery | Yes | - |
| Stereo | Yes | Yes |
| TWS | No | No |
| USB Playback | No | No |
| Weight | 43.7 lbs / 19.8 kg | 24.3 lbs / 11 kg |
| XLR Input | Yes | - |
| Output Power | 3 x 73W | 260W RMS |
| Discontinued | Yes | - |
| Max Volume | 125dB | - |
| Digital Aux Input | No | No |
| Charging Time | - | 9 hours |
| Frequency Response | - | 40Hz - 22kHz (Manufacturer specified) |
| Power Input | - | AC Power brick |
Related Speaker Comparisons
More useful head-to-heads from the same speaker class:
- Soundboks 4 vs Soundboks Go
- Soundboks Mix vs Soundboks Go
- Soundboks 3 vs Soundboks Go
- Teufel Rockster Air vs Diamondboxx L2
- Diamondboxx L2 vs Sony GTK-XB90
The Two Speakers In Full
Audiocase S10: $892 Discontinued
Pros: One of the loudest in category.
Cons: Not great sounding at low volumes. Better sounding at louder volumes. Weird peaks in the midrange. Competes against the Soundboks but doesn’t sound as good. Discontinued.
Full Audiocase S10 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | aptX, SBC |
| Bluetooth Version | 5.0 |
| Digital Aux Input | No |
| Dimensions | 25.6" x 15.7" x 11.8" (650 x 400 x 300 mm) |
| Discontinued | Yes |
| Drivers | 2x 10" woofers, 1" compression tweeter |
| EQ | No |
| IP Rating | None |
| Max Volume | 125dB |
| Output Power | 3 x 73W |
| Party Mode | No |
| Power Bank | No |
| Removable Battery | Yes |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 43.7 lbs / 19.8 kg |
| XLR Input | Yes |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Diamondboxx L2: $1000
Pros: High-fidelity Class A/B amps with good bass response and clear sound at all volumes. Fills large spaces at under 50% volume, comparable to medium bookshelf speakers. Stable bass response even at 15-20% volume. 6-48 hours battery on 400+ watts (9 hours full recharge). Built-in 2.1A USB power for charging devices. Over 1000 recharge cycles.
Cons: Boomyness in the 100hz region. Gets distorted. Too much treble. Too expensive.
Full Diamondboxx L2 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bluetooth Codecs | aptX HD, SBC |
| Bluetooth Version | 4.2 |
| Charging Time | 9 hours |
| Digital Aux Input | No |
| Dimensions | 23" x 14.5" x 9.5" (584.2 x 368.3 x 241.3 mm) |
| Drivers | 5.5" woofer, 1" tweeter |
| EQ | No |
| Frequency Response | 40Hz - 22kHz (Manufacturer specified) |
| IP Rating | None |
| Output Power | 260W RMS |
| Party Mode | No |
| Power Bank | No |
| Power Input | AC Power brick |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 24.3 lbs / 11 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons

