Short answer: the MartinLogan Dynamo 1600X if sound quality matters most, the Paradigm Defiance V12 if price matters most. The MartinLogan Dynamo 1600X ranks #2 of 145 subwoofers at $1606.77. The Paradigm Defiance V12 ranks #94 at $513.44, $1093.33 cheaper.
What the MartinLogan Dynamo 1600X offers: Sealed 15-inch with 900W RMS, 1800W peak delivers forceful clean tight low bass. Easily configurable as forward-firing or down-firing. Smartphone app with Anthem Room Correction (ARC) optimizes bass across room. Wireless capable with optional SWT-X module. Watch for: Ported design room integration needs, mid-range 121.5 dB output, and $1,607 price.
What the Paradigm Defiance V12 offers: Fills rooms with tight ample powerful bass while retaining speed/control of sealed design. Ported 12-inch front-firing woofer (23-200Hz ±3dB) with 120W RMS (250W peak) Class D amp. Nuanced articulate delivery with low-end impact. Full app control with effective room correction via smartphone (optional calibrated microphone). Optional Bluetooth WT Module for 50ft wireless (2.4GHz). Great value recommended by reviewers even for higher spenders. Watch for: No detailed measurement caveats are currently recorded.
Buy the MartinLogan Dynamo 1600X if sound quality matters more than the price. Buy the Paradigm Defiance V12 if the price matters more than sound quality.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| MartinLogan Dynamo 1600X | Paradigm Defiance V12 | |
|---|---|---|
| Price | $1,606.77 | $513.44 |
| Ranked | #2 of 145 in Medium Home Subwoofers (30-75 lbs) | #94 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | ported, bottom |
| Output SPL at 15 Hz | 86.2 dB | - |
| Output SPL at 20 Hz | 99.4 dB | - |
| Output SPL at 25 Hz | 103.9 dB | 100.1 dB |
| Output SPL at 31.5 Hz | 111.7 dB | 105.0 dB |
| Output SPL at 40 Hz | 118.4 dB | 109.7 dB |
| Output SPL at 50 Hz | 121.0 dB | 112.1 dB |
| Output SPL at 63 Hz | 121.8 dB | 112.4 dB |
| Output SPL at 80 Hz | 121.0 dB | 110.8 dB |
| Output SPL at 100 Hz | 120.2 dB | 109.4 dB |
| Output SPL at 125 Hz | 119.0 dB | 108.4 dB |
| CEA-2010-A Average (40-80Hz) | 120.5 dB | 111.2 dB |
| Dimensions | 20.1"H x 17.9"W x 19.1"D (510.5 x 454.7 x 485.1 mm) | 17.9"H x 16.5"W x 17.9"D (455.4 x 419.1 x 453.9 mm) |
| Weight | 56 lbs (25.4 kg) | 42.1 lbs (19.1 kg) |
| Warranty | 3 | 3 |
| Cabinet Color | black | black |
| Country | United States | Canada |
| Measurement Source | Audioholics | Audioholics |
| Frequency Response | 20-200Hz, ±3dB | 23-200Hz |
| Amplifier Power | 900W RMS / 1800W peak | 120W RMS |
| Inputs | RCA (stereo and LFE), XLR (LFE), speaker-level (banana) | - |
| Drivers | 15" (381mm) driver | 12" (305mm) driver |
Related Speaker Comparisons
How MartinLogan Dynamo 1600X compares with other leading options:
- JTR Speakers Captivator 212PRO vs MartinLogan Dynamo 1600X
- HSU Research ULS-15 MK2 vs MartinLogan Dynamo 1600X
- MartinLogan Dynamo 1600X vs Monoprice SW-12
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15
- MartinLogan Dynamo 1600X vs Paradigm Defiance X12
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.
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The Two Speakers In Full
MartinLogan Dynamo 1600X: $1,606.77 eBay
Pros: Sealed 15-inch with 900W RMS, 1800W peak delivers forceful clean tight low bass. Easily configurable as forward-firing or down-firing. Smartphone app with Anthem Room Correction (ARC) optimizes bass across room. Wireless capable with optional SWT-X module.
Cons: Ported design room integration needs, mid-range 121.5 dB output, and $1,607 price.
Full MartinLogan Dynamo 1600X review and specifications →
| Amplifier Power | 900W RMS / 1800W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 120.5 dB |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 20.1"H x 17.9"W x 19.1"D (510.5 x 454.7 x 485.1 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | sealed |
| Frequency Response | 20-200Hz, ±3dB |
| Inputs | RCA (stereo and LFE), XLR (LFE), speaker-level (banana) |
| Measurement Source | Audioholics |
| Output SPL at 15 Hz | 86.2 dB |
| Output SPL at 20 Hz | 99.4 dB |
| Output SPL at 25 Hz | 103.9 dB |
| Output SPL at 31.5 Hz | 111.7 dB |
| Output SPL at 40 Hz | 118.4 dB |
| Output SPL at 50 Hz | 121.0 dB |
| Output SPL at 63 Hz | 121.8 dB |
| Output SPL at 80 Hz | 121.0 dB |
| Output SPL at 100 Hz | 120.2 dB |
| Output SPL at 125 Hz | 119.0 dB |
| Warranty | 3 |
| Weight | 56 lbs (25.4 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
- MartinLogan Dynamo 1600X vs HSU Research ULS-15 MK2
- MartinLogan Dynamo 1600X vs JTR Speakers Captivator 212PRO
- MartinLogan Dynamo 1600X vs Monoprice SW-12
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15
- MartinLogan Dynamo 1600X vs Paradigm Defiance X12
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15-BASE
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15SEICE-BASE
- MartinLogan Dynamo 1600X vs Monoprice SW-15
- See all 48 comparisons
Paradigm Defiance V12: $513.44 eBay
Pros: Fills rooms with tight ample powerful bass while retaining speed/control of sealed design. Ported 12-inch front-firing woofer (23-200Hz ±3dB) with 120W RMS (250W peak) Class D amp. Nuanced articulate delivery with low-end impact. Full app control with effective room correction via smartphone (optional calibrated microphone). Optional Bluetooth WT Module for 50ft wireless (2.4GHz). Great value recommended by reviewers even for higher spenders.
Full Paradigm Defiance V12 review and specifications →
| Amplifier Power | 120W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 111.2 dB |
| Cabinet Color | black |
| Country | Canada |
| Dimensions | 17.9"H x 16.5"W x 17.9"D (455.4 x 419.1 x 453.9 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | ported, bottom |
| Frequency Response | 23-200Hz |
| Measurement Source | Audioholics |
| Output SPL at 25 Hz | 100.1 dB |
| Output SPL at 31.5 Hz | 105.0 dB |
| Output SPL at 40 Hz | 109.7 dB |
| Output SPL at 50 Hz | 112.1 dB |
| Output SPL at 63 Hz | 112.4 dB |
| Output SPL at 80 Hz | 110.8 dB |
| Output SPL at 100 Hz | 109.4 dB |
| Output SPL at 125 Hz | 108.4 dB |
| Warranty | 3 |
| Weight | 42.1 lbs (19.1 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