Short answer: the JL Audio E112 ranks #16 of 137 subwoofers at $2500; the Monoprice Monolith M-215 ranks #18 at $2500. Close enough in price that the ranking gap is the deciding factor.
The case for the JL Audio E112: Sealed 12-inch with 1500W RMS delivers fast agile bass with transient detail and powerful output.
Buy the JL Audio E112 if the ranking matters more than the price. Buy the Monoprice Monolith M-215 if the price matters more than the ranking.
Specifications Side By Side
| JL Audio E112 | Monoprice Monolith M-215 | |
|---|---|---|
| Price | $2,500 | $2,500 |
| Ranked | #16 of 137 in Medium Powered Home Subwoofers (30-75 lbs) | #18 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | sealed | ported, front |
| Output SPL at 12.5 Hz | 90.7 dB | 103.9 dB |
| Output SPL at 15 Hz | 95.6 dB | 113.1 dB |
| Output SPL at 20 Hz | 100.5 dB | 118.9 dB |
| Output SPL at 25 Hz | 106.2 dB | 122.6 dB |
| Output SPL at 31.5 Hz | 111.6 dB | 125.2 dB |
| Output SPL at 40 Hz | 115.4 dB | 126.4 dB |
| Output SPL at 50 Hz | 117.7 dB | 126.1 dB |
| Output SPL at 63 Hz | 118.0 dB | 125.6 dB |
| Output SPL at 80 Hz | 116.7 dB | 125.6 dB |
| Output SPL at 100 Hz | 115.5 dB | 125.7 dB |
| Output SPL at 125 Hz | 114.5 dB | 126.3 dB |
| CEA-2010-A Average (40-80Hz) | 117.0 dB | 125.9 dB |
| Dimensions | 16.23"H x 15.5"W x 18.39"D (412.2 x 393.7 x 467.1 mm) | 42.3"H x 20.0"W x 27.6"D (1074.4 x 508.0 x 701.0 mm) |
| Weight | 73.4 lbs / 33.3 kg | 216.1 lbs / 98.0 kg |
| Warranty | 3 | 5 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Audioholics | Brent Butterworth |
| Frequency Response | 22-118Hz, ±1.5dB | - |
| Power Output (Watts) | 1500W RMS | - |
| Drivers | 12" (305mm) driver | 2x 15" (381mm) drivers |
The Two Speakers In Full
JL Audio E112: $2,500
Pros: Sealed 12-inch with 1500W RMS delivers fast agile bass with transient detail and powerful output. Clean crossover performance with no bloat at top octaves. Exceptional build quality that disappears into your system.
| CEA-2010-A Average (40-80Hz) | 117.0 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 16.23"H x 15.5"W x 18.39"D (412.2 x 393.7 x 467.1 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | sealed |
| Frequency Response | 22-118Hz, ±1.5dB |
| Measurement Source | Audioholics |
| Output SPL at 12.5 Hz | 90.7 dB |
| Output SPL at 15 Hz | 95.6 dB |
| Output SPL at 20 Hz | 100.5 dB |
| Output SPL at 25 Hz | 106.2 dB |
| Output SPL at 31.5 Hz | 111.6 dB |
| Output SPL at 40 Hz | 115.4 dB |
| Output SPL at 50 Hz | 117.7 dB |
| Output SPL at 63 Hz | 118.0 dB |
| Output SPL at 80 Hz | 116.7 dB |
| Output SPL at 100 Hz | 115.5 dB |
| Output SPL at 125 Hz | 114.5 dB |
| Power Output (Watts) | 1500W RMS |
| Warranty | 3 |
| Weight | 73.4 lbs / 33.3 kg |
- Head-to-Head Comparisons
- Links
Monoprice Monolith M-215: $2,500
Notes: Product # 38543
| CEA-2010-A Average (40-80Hz) | 125.9 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 42.3"H x 20.0"W x 27.6"D (1074.4 x 508.0 x 701.0 mm) |
| Drivers | 2x 15" (381mm) drivers |
| Enclosure | ported, front |
| Measurement Source | Brent Butterworth |
| Output SPL at 12.5 Hz | 103.9 dB |
| Output SPL at 15 Hz | 113.1 dB |
| Output SPL at 20 Hz | 118.9 dB |
| Output SPL at 25 Hz | 122.6 dB |
| Output SPL at 31.5 Hz | 125.2 dB |
| Output SPL at 40 Hz | 126.4 dB |
| Output SPL at 50 Hz | 126.1 dB |
| Output SPL at 63 Hz | 125.6 dB |
| Output SPL at 80 Hz | 125.6 dB |
| Output SPL at 100 Hz | 125.7 dB |
| Output SPL at 125 Hz | 126.3 dB |
| Warranty | 5 |
| Weight | 216.1 lbs / 98.0 kg |
- Head-to-Head Comparisons
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- See all 14 comparisons
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.