The Monoprice Monolith 13 THX Ultra ranks #56 out of 110 total Large Home Subwoofers (Over 75 lbs) for sound quality. See all Subwoofers rankings for every top pick.
Brand: Monoprice
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#56 Monoprice Monolith 13 THX Ultra: $1,700 eBay
Pros: Independent CEA-2010 testing records 115.0 dB at 20 Hz and 121.1 dB through 40-80 Hz. The ported, front enclosure with 13” (330mm) driver has the headroom for demanding film bass in a large room.
Cons: The 604.5H x 515.6W x 739.1D mm cabinet and 69.5 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.
Notes: Product # 41496
How it compares: Just above it: SVS PB16-Ultra - $1200 more. Just below it: Arendal 1723 Subwoofer 2V - $1400 more.
| CEA-2010-A Average (40-80Hz) | 121.1 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 23.8"H x 20.3"W x 29.1"D (604.5 x 515.6 x 739.1 mm) |
| Drivers | 13" (330mm) driver |
| Enclosure | ported, front |
| Measurement Source | Audioholics |
| Output SPL at 12.5 Hz | 94.0 dB |
| Output SPL at 15 Hz | 109.1 dB |
| Output SPL at 20 Hz | 115.0 dB |
| Output SPL at 25 Hz | 118.0 dB |
| Output SPL at 31.5 Hz | 119.5 dB |
| Output SPL at 40 Hz | 120.3 dB |
| Output SPL at 50 Hz | 120.7 dB |
| Output SPL at 63 Hz | 121.4 dB |
| Output SPL at 80 Hz | 122.1 dB |
| Output SPL at 100 Hz | 122.7 dB |
| Output SPL at 125 Hz | 123.8 dB |
| Warranty | 5 |
| Weight | 153.2 lbs (69.5 kg) |
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- Independently measured by Audioholics; the published figures above come from this ASR subwoofer measurement thread.
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