Power Sound Audio (PSA) XS15-BASE vs Starke Sound SW15

Last updated: September 8, 2026

Short answer: the Power Sound Audio (PSA) XS15-BASE for better sound quality, the Starke Sound SW15 for the lower price. The Power Sound Audio (PSA) XS15-BASE ranks #11 of 137 subwoofers at $1299. The Starke Sound SW15 ranks #13 at $1075, $224 cheaper.

The case for the Power Sound Audio (PSA) XS15-BASE: 15-inch sealed driver reaches 118.2dB CEA-2010-A average, offering deeper bass extension and slower room modes.

What the Starke Sound SW15 gets right: Sealed 15-inch with 450W RMS delivers tight controlled deep bass down to 14Hz.

One note: the Starke Sound SW15 is no longer sold new, but at #13 of 137 subwoofers by sound quality it still outranks most current models, so used is worth considering.

Buy the Power Sound Audio (PSA) XS15-BASE if sound quality matters more than the price. Buy the Starke Sound SW15 if the price matters more than sound quality.

Power Sound Audio (PSA) XS15-BASE vs Starke Sound SW15

Specifications Side By Side

Power Sound Audio (PSA) XS15-BASE Starke Sound SW15
Price$1299$1,075 Discontinued
Ranked#11 of 137 in Medium Powered Home Subwoofers (30-75 lbs)#13 of 137 in Medium Powered Home Subwoofers (30-75 lbs)
Enclosuresealedsealed
Output SPL at 20 Hz107.1 dB98.0 dB
Output SPL at 25 Hz107.1 dB104.6 dB
Output SPL at 31.5 Hz107.1 dB110.0 dB
Output SPL at 40 Hz118.2 dB114.6 dB
Output SPL at 50 Hz118.2 dB118.4 dB
Output SPL at 63 Hz118.2 dB119.1 dB
CEA-2010-A Average (40-80Hz)118.2 dB (avg of 3/4 bands)117.3 dB
Dimensions20.7"H x 18.5"W x 19.5"D (527.0 x 469.9 x 495.3 mm)17.3"H x 16.5"W x 18.9"D (439.4 x 419.1 x 480.1 mm)
Weight73 lbs / 33.1 kg54.9 lbs / 24.9 kg
Warranty5-
CountryUnited StatesUnited States
Measurement SourceManufacturerAudioholics
Frequency Response23-200Hz, ±3dB14-240Hz, ±3dB
Power Output (Watts)550W RMS / 1650W peak450W RMS / 900W peak
Drivers15" (381mm) driver15" (381mm) driver
Output SPL at 12.5 Hz-86.0 dB
Output SPL at 15 Hz-90.8 dB
Output SPL at 80 Hz-117.2 dB
Output SPL at 100 Hz-115.2 dB
Output SPL at 125 Hz-113.8 dB
Cabinet Color-black
Crossover-50-200Hz adjustable
Phase Control-0°-180° adjustable
Input Connections-1 XLR (balanced), 3 RCA (unbalanced)
Features-Sealed subwoofer, outputs: XLR
Discontinued-Yes

How Power Sound Audio (PSA) XS15-BASE compares with other leading options:

Prices on this page were last checked September 8, 2026 at 6:02 PM 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

Power Sound Audio (PSA) XS15-BASE: $1299 eBay

Power Sound Audio (PSA) XS15-BASE ranking card

Pros: 15-inch sealed driver reaches 118.2dB CEA-2010-A average, offering deeper bass extension and slower room modes.

CEA-2010-A Average (40-80Hz)118.2 dB (avg of 3/4 bands)
CountryUnited States
Dimensions20.7"H x 18.5"W x 19.5"D (527.0 x 469.9 x 495.3 mm)
Drivers15" (381mm) driver
Enclosuresealed
Frequency Response23-200Hz, ±3dB
Measurement SourceManufacturer
Output SPL at 20 Hz107.1 dB
Output SPL at 25 Hz107.1 dB
Output SPL at 31.5 Hz107.1 dB
Output SPL at 40 Hz118.2 dB
Output SPL at 50 Hz118.2 dB
Output SPL at 63 Hz118.2 dB
Power Output (Watts)550W RMS / 1650W peak
Warranty5
Weight73 lbs / 33.1 kg

Starke Sound SW15: $1,075 Discontinued eBay

Starke Sound SW15 ranking card

Pros: Sealed 15-inch with 450W RMS delivers tight controlled deep bass down to 14Hz. Excellent +/-1.5dB response curve from 10Hz-50Hz. Infrasonic capable with no high-pass filter cutoff. Fast accurate response without distortion or bloat.

Cons: Discontinued.

CEA-2010-A Average (40-80Hz)117.3 dB
Cabinet Colorblack
CountryUnited States
Crossover50-200Hz adjustable
Dimensions17.3"H x 16.5"W x 18.9"D (439.4 x 419.1 x 480.1 mm)
DiscontinuedYes
Drivers15" (381mm) driver
Enclosuresealed
FeaturesSealed subwoofer, outputs: XLR
Frequency Response14-240Hz, ±3dB
Input Connections1 XLR (balanced), 3 RCA (unbalanced)
Measurement SourceAudioholics
Output SPL at 12.5 Hz86.0 dB
Output SPL at 15 Hz90.8 dB
Output SPL at 20 Hz98.0 dB
Output SPL at 25 Hz104.6 dB
Output SPL at 31.5 Hz110.0 dB
Output SPL at 40 Hz114.6 dB
Output SPL at 50 Hz118.4 dB
Output SPL at 63 Hz119.1 dB
Output SPL at 80 Hz117.2 dB
Output SPL at 100 Hz115.2 dB
Output SPL at 125 Hz113.8 dB
Phase Control0°-180° adjustable
Power Output (Watts)450W RMS / 900W peak
Weight54.9 lbs / 24.9 kg