Short answer: the JBL HDI-1200P on measured sound quality, the Monoprice Monolith M-10 V2 on price. The JBL HDI-1200P ranks #24 of 145 subwoofers at $2310. The Monoprice Monolith M-10 V2 ranks #109 at $754.60, $1555.40 cheaper.

What the Monoprice Monolith M-10 V2 offers: 10-inch THX-certified ported with 500W RMS reaches 17-20Hz. HDF cabinet eliminates resonance-induced coloration. Extended EQ and THX EQ modes for flexibility. Low distortion output. Best for rooms under 2500 cubic feet. Exceptional budget value at $649. Watch for: No detailed measurement caveats are currently recorded.
What the JBL HDI-1200P offers: Dual-ported 1000W 12-inch high-excursion cone. Symmetric Field motor design controls stray magnetic flux for refined response. Plays very clean with super low distortion (<1% THD) down to tuning frequency. Dual down-firing ports extend low-end with 28-150Hz frequency response. Adjustable crossover (50-150Hz) and phase control for seamless integration. Compact ~17-inch cube with automotive-gloss or furniture-grade finishes. Watch for: No detailed measurement caveats are currently recorded.
Buy the Monoprice Monolith M-10 V2 if the price matters more than sound quality. Buy the JBL HDI-1200P if sound quality matters more than the price.
If sound quality matters at all to you, skip the Monoprice Monolith M-10 V2. It ranks near the bottom of the 145 subwoofers, so look higher up the list instead.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| Monoprice Monolith M-10 V2 | JBL HDI-1200P | |
|---|---|---|
| Price | $754.60 | $2,310 |
| Ranked | #109 of 145 in Medium Home Subwoofers (30-75 lbs) | #24 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, front | ported, bottom |
| Output SPL at 15 Hz | 93.9 dB | - |
| Output SPL at 20 Hz | 104.8 dB | - |
| Output SPL at 25 Hz | 108.5 dB | 93.2 dB |
| Output SPL at 31.5 Hz | 109.3 dB | 109.5 dB |
| Output SPL at 40 Hz | 109.7 dB | 115.6 dB |
| Output SPL at 50 Hz | 110.1 dB | 119.1 dB |
| Output SPL at 63 Hz | 110.6 dB | 119.0 dB |
| Output SPL at 80 Hz | 110.9 dB | 114.9 dB |
| Output SPL at 100 Hz | 111.2 dB | 115.4 dB |
| Output SPL at 125 Hz | 111.5 dB | 117.2 dB |
| CEA-2010-A Average (40-80Hz) | 110.3 dB | 117.2 dB |
| Dimensions | 20.9"H x 15"W x 18.9"D (530.9 x 381.0 x 480.1 mm) | 16.9"H x 16.3"W x 17.8"D (430.5 x 414.0 x 451.4 mm) |
| Weight | 72.5 lbs (32.9 kg) | 70.8 lbs (32.1 kg) |
| Warranty | 5 | 5 |
| Cabinet Color | black | black, wood |
| Country | United States | United States |
| Measurement Source | Manufacturer | Audioholics |
| Amplifier Power | 500W RMS | 1000W RMS |
| Frequency Response | 17-20Hz | 28-150Hz (-6dB) |
| Drivers | 10" (254mm) driver | 12" (305mm) driver |
| Crossover Frequency | - | 50-150Hz, 24dB/octave |
| Inputs | - | RCA (unbalanced) and XLR (balanced) |
| Features | - | Single-band parametric EQ |
Related Speaker Comparisons
How JBL HDI-1200P compares with other leading options:
- JTR Speakers Captivator 212PRO vs JBL HDI-1200P
- MartinLogan Dynamo 1600X vs JBL HDI-1200P
- HSU Research ULS-15 MK2 vs JBL HDI-1200P
- Monoprice SW-12 vs JBL HDI-1200P
- Monoprice SW-15 vs JBL HDI-1200P
Prices on this page were last checked September 16, 2026 at 12:41 AM 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
Monoprice Monolith M-10 V2: $754.60 Amazon eBay
Pros: 10-inch THX-certified ported with 500W RMS reaches 17-20Hz. HDF cabinet eliminates resonance-induced coloration. Extended EQ and THX EQ modes for flexibility. Low distortion output. Best for rooms under 2500 cubic feet. Exceptional budget value at $649.
Notes: Product # 42843
Full Monoprice Monolith M-10 V2 review and specifications →
| Amplifier Power | 500W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 110.3 dB |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 20.9"H x 15"W x 18.9"D (530.9 x 381.0 x 480.1 mm) |
| Drivers | 10" (254mm) driver |
| Enclosure | ported, front |
| Frequency Response | 17-20Hz |
| Measurement Source | Manufacturer |
| Output SPL at 15 Hz | 93.9 dB |
| Output SPL at 20 Hz | 104.8 dB |
| Output SPL at 25 Hz | 108.5 dB |
| Output SPL at 31.5 Hz | 109.3 dB |
| Output SPL at 40 Hz | 109.7 dB |
| Output SPL at 50 Hz | 110.1 dB |
| Output SPL at 63 Hz | 110.6 dB |
| Output SPL at 80 Hz | 110.9 dB |
| Output SPL at 100 Hz | 111.2 dB |
| Output SPL at 125 Hz | 111.5 dB |
| Warranty | 5 |
| Weight | 72.5 lbs (32.9 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- These figures are manufacturer-specified rather than independently measured.
- Head-to-Head Comparisons
- Monoprice Monolith M-10 V2 vs Klipsch R-121SW
- Monoprice Monolith M-10 V2 vs RSL (Rogersound Labs) Speedwoofer 10S MKII
- Monoprice Monolith M-10 V2 vs Kef KC62
- Monoprice Monolith M-10 V2 vs Monoprice SSW-10
- Monoprice Monolith M-10 V2 vs SVS PB-1000 PRO
- Monoprice Monolith M-10 V2 vs SVS SB-2000
- Monoprice Monolith M-10 V2 vs Power Sound Audio (PSA) XS15SE
- Monoprice Monolith M-10 V2 vs Rythmik F12
- See all 16 comparisons
JBL HDI-1200P: $2,310 eBay
Pros: Dual-ported 1000W 12-inch high-excursion cone. Symmetric Field motor design controls stray magnetic flux for refined response. Plays very clean with super low distortion (<1% THD) down to tuning frequency. Dual down-firing ports extend low-end with 28-150Hz frequency response. Adjustable crossover (50-150Hz) and phase control for seamless integration. Compact ~17-inch cube with automotive-gloss or furniture-grade finishes.
Full JBL HDI-1200P review and specifications →
| Amplifier Power | 1000W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 117.2 dB |
| Cabinet Color | black, wood |
| Country | United States |
| Crossover Frequency | 50-150Hz, 24dB/octave |
| Dimensions | 16.9"H x 16.3"W x 17.8"D (430.5 x 414.0 x 451.4 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | ported, bottom |
| Features | Single-band parametric EQ |
| Frequency Response | 28-150Hz (-6dB) |
| Inputs | RCA (unbalanced) and XLR (balanced) |
| Measurement Source | Audioholics |
| Output SPL at 25 Hz | 93.2 dB |
| Output SPL at 31.5 Hz | 109.5 dB |
| Output SPL at 40 Hz | 115.6 dB |
| Output SPL at 50 Hz | 119.1 dB |
| Output SPL at 63 Hz | 119.0 dB |
| Output SPL at 80 Hz | 114.9 dB |
| Output SPL at 100 Hz | 115.4 dB |
| Output SPL at 125 Hz | 117.2 dB |
| Warranty | 5 |
| Weight | 70.8 lbs (32.1 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Audioholics; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons

