The MartinLogan Dynamo 1500X ranks #20 out of 137 total Medium Powered Home Subwoofers (30–75 lbs) for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
#20 MartinLogan Dynamo 1500X: $1299
Pros: 15-inch sealed with 650W RMS, 1300W peak delivers forceful clean tight low bass. Variable orientation (front or down-firing) configuration offers flexible room placement. PBK room correction calibrates performance across multiple listening positions.
How it compares: Just above it: MartinLogan Dynamo 1100X - $24 cheaper. Just below it: SVS PB-2000 PRO - $199 cheaper.
| CEA-2010-A Average (40-80Hz) | 116.5 dB |
|---|---|
| Country | United States |
| Dimensions | 18.3"H x 16.75"W x 17.6"D (464.8 x 425.4 x 447.0 mm) |
| Driver | 10" (254mm) driver |
| Driver(s) | (1) 15 inch |
| Enclosure | sealed |
| Frequency Response | 20Hz+ (with room correction) |
| Measurement Source | Audioholics |
| Output SPL at 12.5 Hz | 92.9 dB |
| Output SPL at 15 Hz | 95.6 dB |
| Output SPL at 20 Hz | 100.4 dB |
| Output SPL at 25 Hz | 104.4 dB |
| Output SPL at 31.5 Hz | 108.3 dB |
| Output SPL at 40 Hz | 113.0 dB |
| Output SPL at 50 Hz | 117.1 dB |
| Output SPL at 63 Hz | 118.3 dB |
| Output SPL at 80 Hz | 117.4 dB |
| Output SPL at 100 Hz | 116.2 dB |
| Output SPL at 125 Hz | 115.1 dB |
| Power Output (Watts) | 650W RMS / 1300W peak |
| Warranty | 3 |
| Weight | 52 lbs / 23.6 kg |
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Product prices and availability were last checked July 31, 2026 at 5:30 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.