MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15

Last updated: September 19, 2026

Short answer: the Dynamo 1600X for measured output, the PSA XV15 for deep ported bass. The sealed 15-inch Dynamo delivers forceful, clean, tight low bass from 900W RMS and 1800W peak, with a 121.5 dB mid-range output figure to weigh. The PSA XV15 is a 15-inch ported downfirer with 500W that digs deep into the lowest frequencies with crisp detail.

MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15

The case for the MartinLogan Dynamo 1600X: Sealed 15-inch with 900W RMS, 1800W peak delivers forceful clean tight low bass. The catch: Ported design room integration needs, mid-range 121.5 dB output, and $1,607 price.

What the Power Sound Audio (PSA) XV15 gets right: 15-inch ported downfirer with 500W delivers crisp detailed bass digging deep into lowest frequencies.

Buy the MartinLogan Dynamo 1600X. It ranks higher for sound quality than the Power Sound Audio (PSA) XV15 and costs less, so the other one has nothing left to offer.

Want more options? Browse the full Subwoofers rankings.

Specifications Side By Side

MartinLogan Dynamo 1600X Power Sound Audio (PSA) XV15
Price$1,606.77$1995
Ranked#2 of 145 in Medium Home Subwoofers (30-75 lbs)#9 of 145 in Medium Home Subwoofers (30-75 lbs)
Enclosuresealedported, bottom
Output SPL at 15 Hz86.2 dB-
Output SPL at 20 Hz99.4 dB110.2 dB
Output SPL at 25 Hz103.9 dB110.2 dB
Output SPL at 31.5 Hz111.7 dB110.2 dB
Output SPL at 40 Hz118.4 dB119.5 dB
Output SPL at 50 Hz121.0 dB119.5 dB
Output SPL at 63 Hz121.8 dB119.5 dB
Output SPL at 80 Hz121.0 dB-
Output SPL at 100 Hz120.2 dB-
Output SPL at 125 Hz119.0 dB-
CEA-2010-A Average (40-80Hz)120.5 dB119.5 dB (avg of 3/4 bands)
Dimensions20.1"H x 17.9"W x 19.1"D (510.5 x 454.7 x 485.1 mm)23"H x 17"W x 22"D (584.2 x 431.8 x 558.8 mm)
Weight56 lbs (25.4 kg)75 lbs (34.0 kg)
Warranty35
Cabinet Colorblack-
CountryUnited StatesUnited States
Measurement SourceAudioholicsBrent Butterworth
Frequency Response20-200Hz, ±3dB21-200Hz
Amplifier Power900W RMS / 1800W peak500W RMS / 1000W peak
InputsRCA (stereo and LFE), XLR (LFE), speaker-level (banana)Stereo line level and speaker level
Drivers15" (381mm) driver15" (381mm) driver
XLR InputYes-
RCA InputYes-
TRS InputNo-
Optical InputNo-
Coaxial InputNo-
USB InputNo-
HDMI InputNo-
AES InputNo-
Aux InputNo-

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Prices on this page were last checked September 22, 2026 at 5:11 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

MartinLogan Dynamo 1600X ranking card

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 $1607 price.

Full MartinLogan Dynamo 1600X review and specifications →

AES InputNo
Amplifier Power900W RMS / 1800W peak
Aux InputNo
CEA-2010-A Average (40-80Hz)120.5 dB
Cabinet Colorblack
Coaxial InputNo
CountryUnited States
Dimensions20.1"H x 17.9"W x 19.1"D (510.5 x 454.7 x 485.1 mm)
Drivers15" (381mm) driver
Enclosuresealed
Frequency Response20-200Hz, ±3dB
HDMI InputNo
InputsRCA (stereo and LFE), XLR (LFE), speaker-level (banana)
Measurement SourceAudioholics
Optical InputNo
Output SPL at 15 Hz86.2 dB
Output SPL at 20 Hz99.4 dB
Output SPL at 25 Hz103.9 dB
Output SPL at 31.5 Hz111.7 dB
Output SPL at 40 Hz118.4 dB
Output SPL at 50 Hz121.0 dB
Output SPL at 63 Hz121.8 dB
Output SPL at 80 Hz121.0 dB
Output SPL at 100 Hz120.2 dB
Output SPL at 125 Hz119.0 dB
RCA InputYes
TRS InputNo
USB InputNo
Warranty3
Weight56 lbs (25.4 kg)
XLR InputYes
Search eBay for MartinLogan Dynamo 1600X →

Power Sound Audio (PSA) XV15: $1995 eBay

Power Sound Audio (PSA) XV15 ranking card

Pros: 15-inch ported downfirer with 500W delivers crisp detailed bass digging deep into lowest frequencies. 119.5dB output plays loud clean at 115dB peaks with no distortion. USA-built with durable finish.

Full Power Sound Audio (PSA) XV15 review and specifications →

Amplifier Power500W RMS / 1000W peak
CEA-2010-A Average (40-80Hz)119.5 dB (avg of 3/4 bands)
CountryUnited States
Dimensions23"H x 17"W x 22"D (584.2 x 431.8 x 558.8 mm)
Drivers15" (381mm) driver
Enclosureported, bottom
Frequency Response21-200Hz
InputsStereo line level and speaker level
Measurement SourceBrent Butterworth
Output SPL at 20 Hz110.2 dB
Output SPL at 25 Hz110.2 dB
Output SPL at 31.5 Hz110.2 dB
Output SPL at 40 Hz119.5 dB
Output SPL at 50 Hz119.5 dB
Output SPL at 63 Hz119.5 dB
Warranty5
Weight75 lbs (34.0 kg)
Search eBay for Power Sound Audio (PSA) XV15 →