Short answer: the MartinLogan Dynamo 1600X for better sound quality, the Power Sound Audio (PSA) XS15SE for the lower price. The MartinLogan Dynamo 1600X ranks #2 of 145 subwoofers at $1606.77. The Power Sound Audio (PSA) XS15SE ranks #22 at $1499, $107.77 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 Power Sound Audio (PSA) XS15SE offers: 15-inch sealed driver delivers 117.8dB CEA-2010-A average in a compact sealed enclosure. Watch for: No detailed measurement caveats are currently recorded.
Buy the MartinLogan Dynamo 1600X if sound quality is the priority over the price, or the Power Sound Audio (PSA) XS15SE if the price is the priority over sound quality.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| MartinLogan Dynamo 1600X | Power Sound Audio (PSA) XS15SE | |
|---|---|---|
| Price | $1,606.77 | $1499 |
| Ranked | #2 of 145 in Medium Home Subwoofers (30-75 lbs) | #22 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 15 Hz | 86.2 dB | 96.5 dB |
| Output SPL at 20 Hz | 99.4 dB | 100.6 dB |
| Output SPL at 25 Hz | 103.9 dB | 107.2 dB |
| Output SPL at 31.5 Hz | 111.7 dB | 110.6 dB |
| Output SPL at 40 Hz | 118.4 dB | 114.7 dB |
| Output SPL at 50 Hz | 121.0 dB | 117.9 dB |
| Output SPL at 63 Hz | 121.8 dB | 119.1 dB |
| Output SPL at 80 Hz | 121.0 dB | 119.4 dB |
| Output SPL at 100 Hz | 120.2 dB | 119.3 dB |
| Output SPL at 125 Hz | 119.0 dB | 118.6 dB |
| CEA-2010-A Average (40-80Hz) | 120.5 dB | 117.8 dB |
| Dimensions | 20.1"H x 17.9"W x 19.1"D (510.5 x 454.7 x 485.1 mm) | 19.5"H x 17"W x 18"D (495.3 x 431.8 x 457.2 mm) |
| Weight | 56 lbs (25.4 kg) | 67 lbs (30.4 kg) |
| Warranty | 3 | 5 |
| Cabinet Color | black | - |
| Country | United States | United States |
| Measurement Source | Audioholics | Data-bass |
| Frequency Response | 20-200Hz, ±3dB | 23-200Hz, ±3dB |
| Amplifier Power | 900W RMS / 1800W peak | 550W RMS / 1650W peak |
| Inputs | RCA (stereo and LFE), XLR (LFE), speaker-level (banana) | - |
| Drivers | 15" (381mm) driver | 15" (381mm) driver |
| Output SPL at 12.5 Hz | - | 91.9 dB |
Related Speaker Comparisons
More top alternatives to MartinLogan Dynamo 1600X:
- 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 14, 2026 at 1:47 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 23 comparisons
Power Sound Audio (PSA) XS15SE: $1499 eBay
Pros: 15-inch sealed driver delivers 117.8dB CEA-2010-A average in a compact sealed enclosure.
Full Power Sound Audio (PSA) XS15SE review and specifications →
| Amplifier Power | 550W RMS / 1650W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 117.8 dB |
| Country | United States |
| Dimensions | 19.5"H x 17"W x 18"D (495.3 x 431.8 x 457.2 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | sealed |
| Frequency Response | 23-200Hz, ±3dB |
| Measurement Source | Data-bass |
| Output SPL at 12.5 Hz | 91.9 dB |
| Output SPL at 15 Hz | 96.5 dB |
| Output SPL at 20 Hz | 100.6 dB |
| Output SPL at 25 Hz | 107.2 dB |
| Output SPL at 31.5 Hz | 110.6 dB |
| Output SPL at 40 Hz | 114.7 dB |
| Output SPL at 50 Hz | 117.9 dB |
| Output SPL at 63 Hz | 119.1 dB |
| Output SPL at 80 Hz | 119.4 dB |
| Output SPL at 100 Hz | 119.3 dB |
| Output SPL at 125 Hz | 118.6 dB |
| Warranty | 5 |
| Weight | 67 lbs (30.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Data-bass; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
- Power Sound Audio (PSA) XS15SE vs Starke Sound SW15
- Power Sound Audio (PSA) XS15SE vs JBL HDI-1200P
- Power Sound Audio (PSA) XS15SE vs Rythmik F12
- Power Sound Audio (PSA) XS15SE vs Power Sound Audio (PSA) XS15-BASE
- Power Sound Audio (PSA) XS15SE vs Power Sound Audio (PSA) XS15
- Power Sound Audio (PSA) XS15SE vs SVS SB-3000
- Power Sound Audio (PSA) XS15SE vs Monoprice SW-15
- Power Sound Audio (PSA) XS15SE vs SVS SB-2000
- See all 15 comparisons

