The OSD (Optimal Speaker Design) TreVoce 12 DSP is rated 3.7/5 for sound quality, #97 of 212 Medium Home Subwoofers (30-75 lbs). See all Subwoofers rankings for every top pick.
Prices on this page were last checked October 29, 2026 at 4:42 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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Brand: OSD
#97 OSD (Optimal Speaker Design) TreVoce 12 DSP: $599 Discontinued eBay
Pros: A compact 12 inch subwoofer with dual passive radiators and app controlled DSP with detailed EQ, now discontinued. 12-inch dual passive radiator with 300W RMS reaches 18Hz. Onboard DSP with 25-band parametric EQ via app control. Compact cube delivers high output from small footprint. Clean nuanced performance for movies and music. AVSForum Top Choice.
Cons: Output falls short below the mid bass, and its frequency response has an uneven hump. Switching the onboard DSP on measured worse for extension, so the 25-band EQ does not make up for the weak low end. The reviewer could not recommend it. Discontinued.
| Released | Oct 2021 (5 years ago) |
|---|---|
| Amplifier Power | 300W RMS |
| CEA-2010-A Average (40-80Hz) | 112.5 dB |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 15.4”H x 16”W x 15”D (391.2 x 406.4 x 381.0 mm) |
| Drivers | 12” (305mm) driver |
| Enclosure | passive radiator |
| Frequency Response | 18-250Hz |
| Measurement Source | ErinsAudioCorner |
| Output SPL at 25 Hz | 77.3 dB |
| Output SPL at 31.5 Hz | 102.5 dB |
| Output SPL at 40 Hz | 108.2 dB |
| Output SPL at 50 Hz | 112.3 dB |
| Output SPL at 63 Hz | 115.4 dB |
| Output SPL at 80 Hz | 114.0 dB |
| Output SPL at 100 Hz | 111.5 dB |
| Output SPL at 125 Hz | 110.1 dB |
| Warranty | 2 |
| Weight | 44.1 lbs (20.0 kg) |
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