Monoprice Monolith
M-15 V2
Introduced 2021$1,249 MSRP
THX Certified Ultra ported subwoofer with a 15-inch driver and 1000W amplifier in a vented HDF cabinet with three flared ports. A value benchmark for high-output home theater bass.
MSRP
$1,249
Used market · Very Good
$850est.
-32% vs MSRP
as of Aug 15, 2026MSRP to used market
From $1,249 at launch to $850 today (estimated).
Specifications
- Type
- ported (three flared ports), THX Certified Ultra
- Weight
- 103 lbs
- Amp power
- 1,000 W
- Dimensions
- 24.5 x 18.0 x 26.5 (H x W x D)"
- Driver size
- 15"
- Frequency response
- 16 Hz - 200 Hz
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