Rythmik FV15HP vs SVS PB-4000 (August 2026)

Q: Which is better, the Rythmik FV15HP or the SVS PB-4000?

Short answer: the Rythmik FV15HP. It ranks #39 of 97 subwoofers at $1770; the SVS PB-4000 ranks #53 and costs $2158.97, so there is not much of a tradeoff to weigh.

Q: Should I buy the Rythmik FV15HP or the SVS PB-4000?

Buy the Rythmik FV15HP if the ranking matters more than the price. Buy the SVS PB-4000 if the price matters more than the ranking.

Short answer: the Rythmik FV15HP. It ranks #39 of 97 subwoofers at $1770; the SVS PB-4000 ranks #53 and costs $2158.97, so there is not much of a tradeoff to weigh.

What the Rythmik FV15HP gets right: 15-inch ported driver reaches 122.0dB CEA-2010-A average, matching the output of subwoofers costing significantly more. The tradeoff: Premium price ($1,770), ported design room gain dependency, and mid-to-large 52 kg footprint.

Buy the Rythmik FV15HP if the ranking matters more than the price. Buy the SVS PB-4000 if the price matters more than the ranking.

Specifications Side By Side

	Rythmik FV15HP	SVS PB-4000
Price	$1,770	$2,158.97
Ranked	#39 of 97 in Large Powered Home Subwoofers (Over 75 lbs)	#53 of 97 in Large Powered Home Subwoofers (Over 75 lbs)
Enclosure	ported, front	ported, front
Output SPL at 12.5 Hz	92.8 dB	-
Output SPL at 15 Hz	105.1 dB	102.1 dB
Output SPL at 20 Hz	111.1 dB	115.3 dB
Output SPL at 25 Hz	116.1 dB	116.3 dB
Output SPL at 31.5 Hz	120.0 dB	117.8 dB
Output SPL at 40 Hz	122.5 dB	119.8 dB
Output SPL at 50 Hz	122.1 dB	121.7 dB
Output SPL at 63 Hz	121.8 dB	120.7 dB
Output SPL at 80 Hz	121.4 dB	119.2 dB
Output SPL at 100 Hz	121.2 dB	118.1 dB
Output SPL at 125 Hz	121.1 dB	117.5 dB
CEA-2010-A Average (40-80Hz)	122.0 dB	120.3 dB
Dimensions	24.5"H x 18.25"W x 24.25"D (622.3 x 463.5 x 615.9 mm)	23.4"H x 20.5"W x 27.7"D (594.4 x 520.7 x 703.6 mm)
Weight	115.1 lbs / 52.2 kg	153.2 lbs / 69.5 kg
Warranty	5/3	5
Cabinet Color	black, white	black
Country	United States	United States
Measurement Source	Audioholics	Audioholics
Drivers	15" (381mm) driver	13.5" (343mm) driver with ported design

The Two Speakers In Full

Rythmik FV15HP: $1,770

Pros: 15-inch ported driver reaches 122.0dB CEA-2010-A average, matching the output of subwoofers costing significantly more.

Cons: Premium price ($1,770), ported design room gain dependency, and mid-to-large 52 kg footprint.

CEA-2010-A Average (40-80Hz)	122.0 dB
Cabinet Color	black, white
Country	United States
Dimensions	24.5"H x 18.25"W x 24.25"D (622.3 x 463.5 x 615.9 mm)
Drivers	15" (381mm) driver
Enclosure	ported, front
Measurement Source	Audioholics
Output SPL at 12.5 Hz	92.8 dB
Output SPL at 15 Hz	105.1 dB
Output SPL at 20 Hz	111.1 dB
Output SPL at 25 Hz	116.1 dB
Output SPL at 31.5 Hz	120.0 dB
Output SPL at 40 Hz	122.5 dB
Output SPL at 50 Hz	122.1 dB
Output SPL at 63 Hz	121.8 dB
Output SPL at 80 Hz	121.4 dB
Output SPL at 100 Hz	121.2 dB
Output SPL at 125 Hz	121.1 dB
Warranty	5/3
Weight	115.1 lbs / 52.2 kg

SVS PB-4000: $2,158.97 Amazon

CEA-2010-A Average (40-80Hz)	120.3 dB
Cabinet Color	black
Country	United States
Dimensions	23.4"H x 20.5"W x 27.7"D (594.4 x 520.7 x 703.6 mm)
Drivers	13.5" (343mm) driver with ported design
Enclosure	ported, front
Measurement Source	Audioholics
Output SPL at 15 Hz	102.1 dB
Output SPL at 20 Hz	115.3 dB
Output SPL at 25 Hz	116.3 dB
Output SPL at 31.5 Hz	117.8 dB
Output SPL at 40 Hz	119.8 dB
Output SPL at 50 Hz	121.7 dB
Output SPL at 63 Hz	120.7 dB
Output SPL at 80 Hz	119.2 dB
Output SPL at 100 Hz	118.1 dB
Output SPL at 125 Hz	117.5 dB
Warranty	5
Weight	153.2 lbs / 69.5 kg

Check current price at Amazon ($2,158.97) →

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Product prices and availability were last checked August 9, 2026 at 6:57 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.