SVS SB-3000 vs XTZ Sound 99 W12S

Short answer: the SVS SB-3000. It ranks #14 of 145 subwoofers by sound quality at $1099; the XTZ Sound 99 W12S ranks #47 and costs $1499, which makes this an easy call rather than a real tradeoff.

What the SVS SB-3000 offers: 13-inch sealed with 800W RMS (2500W peak) delivers 118.7dB average with exceptional accuracy. Beautifully made with pinpoint control and flawless tonal accuracy. Sweet spot performance-to-value ratio. Three-band parametric EQ with 1Hz precision adjustment. Watch for: Ported cabinet room-mode dependency, compact 25 kg size limits bass extension, and $1,100 investment.

What the XTZ Sound 99 W12S offers: 12-inch ported with Bang & Olufsen ICEpower half-kilowatt amplification. Sweepable phase knob with flexible EQ1/EQ2 switches for refined tuning. Excellent value high-output performance with powerful, clean amplification. Watch for: No detailed measurement caveats are currently recorded.

Buy the SVS SB-3000. It ranks higher for sound quality than the XTZ Sound 99 W12S and costs less, so the other one has nothing left to offer.

Looking for alternatives? See the complete Subwoofers rankings.

Specifications Side By Side

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How SVS SB-3000 compares with other leading options:

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• MartinLogan Dynamo 1600X vs SVS SB-3000
• HSU Research ULS-15 MK2 vs SVS SB-3000
• SVS SB-3000 vs PSB Speakers SubSeries 450
• Monoprice SW-12 vs SVS SB-3000

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

SVS SB-3000: $1,099.00 Amazon eBay

Pros: 13-inch sealed with 800W RMS (2500W peak) delivers 118.7dB average with exceptional accuracy. Beautifully made with pinpoint control and flawless tonal accuracy. Sweet spot performance-to-value ratio. Three-band parametric EQ with 1Hz precision adjustment.

Cons: Ported cabinet room-mode dependency, compact 25 kg size limits bass extension, and $1,100 investment.

Full SVS SB-3000 review and specifications →

Amplifier Power	800W RMS / 2500W peak
CEA-2010-A Average (40-80Hz)	118.7 dB
Cabinet Color	black
Country	United States
Crossover Frequency	30-200Hz adjustable, 6/12/18/24dB slopes
Dimensions	15.6"H x 15.2"W x 15.7"D (396.2 x 386.1 x 398.8 mm)
Drivers	13" (330mm) driver
Enclosure	sealed
Features	Auto/On, 3-12V AC/DC trigger
Frequency Response	18-270Hz, ±3dB
Inputs	RCA (unbalanced), USB
Measurement Source	Audioholics
Output SPL at 15 Hz	90.3 dB
Output SPL at 20 Hz	96.6 dB
Output SPL at 25 Hz	101.7 dB
Output SPL at 31.5 Hz	107.8 dB
Output SPL at 40 Hz	114.6 dB
Output SPL at 50 Hz	118.7 dB
Output SPL at 63 Hz	120.7 dB
Output SPL at 80 Hz	120.9 dB
Output SPL at 100 Hz	120.8 dB
Output SPL at 125 Hz	120.7 dB
Phase Control	0°-180°
Warranty	5
Weight	54.5 lbs (24.7 kg)

• Links
  • SVS SB-3000 Website
• Reviews, Comparisons and Sound Samples
  • Independently measured by Audioholics; the published figures above come from this ASR subwoofer measurement thread.
• Head-to-Head Comparisons
  • SVS SB-3000 vs Monoprice SW-15
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  • SVS SB-3000 vs Power Sound Audio (PSA) XS15-BASE
  • SVS SB-3000 vs Power Sound Audio (PSA) XV15-BASE
  • SVS SB-3000 vs Paradigm Defiance X12
  • SVS SB-3000 vs Klipsch SPL-120
  • SVS SB-3000 vs Power Sound Audio (PSA) XV15
  • See all 88 comparisons

XTZ Sound 99 W12S: $1499 eBay

Pros: 12-inch ported with Bang & Olufsen ICEpower half-kilowatt amplification. Sweepable phase knob with flexible EQ1/EQ2 switches for refined tuning. Excellent value high-output performance with powerful, clean amplification.

Full XTZ Sound 99 W12S review and specifications →

Amplifier Power	Not fully specified
CEA-2010-A Average (40-80Hz)	114.5 dB
Country	Sweden
Dimensions	19.6"H x 13.8"W x 15.7"D (499.1 x 349.8 x 400.0 mm)
Drivers	12" (305mm) driver
Enclosure	ported, rear
Frequency Response	Not fully specified
Measurement Source	Ilkka Rissanen
Output SPL at 20 Hz	74.0 dB
Output SPL at 25 Hz	86.5 dB
Output SPL at 31.5 Hz	97.7 dB
Output SPL at 40 Hz	108.3 dB
Output SPL at 50 Hz	114.9 dB
Output SPL at 63 Hz	117.3 dB
Output SPL at 80 Hz	117.4 dB
Weight	67.2 lbs (30.5 kg)

• Reviews, Comparisons and Sound Samples
  • Independently measured by Ilkka Rissanen; the published figures above come from this ASR subwoofer measurement thread.
• Head-to-Head Comparisons
  • XTZ Sound 99 W12S vs Monoprice SW-15
  • XTZ Sound 99 W12S vs MartinLogan Dynamo 1600X
  • XTZ Sound 99 W12S vs HSU Research VTF-15H MK2
  • XTZ Sound 99 W12S vs Monoprice Monolith M-15 V2