Rythmik F12 vs SVS SB-3000

Last updated: September 23, 2026

Short answer: the SVS SB-3000. At nearly identical prices, it ranks #14 of 145 medium powered subwoofers against the F12’s #20, so there isn’t much of a real tradeoff to weigh.

Rythmik F12 vs SVS SB-3000

Both are sealed designs with different priorities. The F12’s notes describe a sealed 12 inch servo-driven woofer with 370W RMS that offers excellent value, calling it very musical and able to disappear into small rooms, digging down to 14Hz with a well-braced cabinet. The SB-3000’s notes describe a sealed 13 inch driver with 800W RMS and 2500W peak, delivering 118.7dB average output with what the reviewer calls exceptional accuracy and pinpoint control, plus a three-band parametric EQ with 1Hz precision for room tuning.

The SB-3000’s own listed con is really a size tradeoff: at 25kg it’s a compact cabinet for its output, which the notes say does limit outright bass extension somewhat despite the accuracy. The F12 reaches deeper on paper with its 14Hz extension against the SB-3000’s 18Hz to 270Hz plus or minus 3dB window, but the SB-3000’s reviewer weighs its overall performance-to-value ratio as the sweet spot in this comparison.

Buy the SVS SB-3000 for the higher output ceiling, tighter accuracy, and precise room-correction EQ at essentially the same price.

Buy the Rythmik F12 if outright low-frequency extension for music matters more to you than maximum output and EQ flexibility.

Looking for alternatives? See the complete Subwoofers rankings.

Buy the SVS SB-3000 at Amazon ($1,099.00) →Buy the Rythmik F12 at Rythmik Audio ($1,439) →

Specifications Side By Side

Rythmik F12 SVS SB-3000
Price$1,120$1,099.00
Ranked#20 of 145 in Medium Home Subwoofers (30-75 lbs)#14 of 145 in Medium Home Subwoofers (30-75 lbs)
Enclosuresealedsealed
Output SPL at 20 Hz103.6 dB96.6 dB
Output SPL at 25 Hz106.7 dB101.7 dB
Output SPL at 31.5 Hz113.5 dB107.8 dB
Output SPL at 40 Hz118.3 dB114.6 dB
Output SPL at 50 Hz119.1 dB118.7 dB
Output SPL at 63 Hz120.4 dB120.7 dB
Output SPL at 80 Hz119.6 dB120.9 dB
CEA-2010-A Average (40-80Hz)119.3 dB118.7 dB
Dimensions15.7"H x 15.7"W x 17"D (400.0 x 400.0 x 431.8 mm)15.6"H x 15.2"W x 15.7"D (396.2 x 386.1 x 398.8 mm)
Weight75 lbs (34.0 kg)54.5 lbs (24.7 kg)
Warranty5/35
Cabinet Colorblackblack
CountryUnited StatesUnited States
Measurement SourceBrent ButterworthAudioholics
Amplifier Power370W RMS800W RMS / 2500W peak
Frequency Response14Hz extension18-270Hz, ±3dB
Drivers12" (305mm) driver13" (330mm) driver
Output SPL at 16 Hz101.0 dB-
InputsXLR (2), RCA (line/LFE)RCA (unbalanced), USB
XLR InputYes-
RCA InputYes-
TRS InputNo-
Optical InputNo-
Coaxial InputNo-
USB InputNo-
HDMI InputNo-
AES InputNo-
Aux InputNo-
Output SPL at 15 Hz-90.3 dB
Output SPL at 100 Hz-120.8 dB
Output SPL at 125 Hz-120.7 dB
Crossover Frequency-30-200Hz adjustable, 6/12/18/24dB slopes
Phase Control-0°-180°
Features-Auto/On, 3-12V AC/DC trigger
Buy the SVS SB-3000 at Amazon ($1,099.00) →Buy the Rythmik F12 at Rythmik Audio ($1,439) →

More worthwhile head-to-heads for SVS SB-3000:

Prices on this page were last checked September 23, 2026 at 11:24 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

Rythmik F12: $1,120 Rythmik Audio eBay

Rythmik F12 ranking card

Pros: Sealed 12-inch servo with 370W RMS offers excellent value. Very musical and can disappear in small rooms. Digs to 14Hz with excellent build quality and well-braced cabinet.

Full Rythmik F12 review and specifications →

AES InputNo
Amplifier Power370W RMS
Aux InputNo
CEA-2010-A Average (40-80Hz)119.3 dB
Cabinet Colorblack
Coaxial InputNo
CountryUnited States
Dimensions15.7"H x 15.7"W x 17"D (400.0 x 400.0 x 431.8 mm)
Drivers12" (305mm) driver
Enclosuresealed
Frequency Response14Hz extension
HDMI InputNo
InputsXLR (2), RCA (line/LFE)
Measurement SourceBrent Butterworth
Optical InputNo
Output SPL at 16 Hz101.0 dB
Output SPL at 20 Hz103.6 dB
Output SPL at 25 Hz106.7 dB
Output SPL at 31.5 Hz113.5 dB
Output SPL at 40 Hz118.3 dB
Output SPL at 50 Hz119.1 dB
Output SPL at 63 Hz120.4 dB
Output SPL at 80 Hz119.6 dB
RCA InputYes
TRS InputNo
USB InputNo
Warranty5/3
Weight75 lbs (34.0 kg)
XLR InputYes
Check current price at Rythmik Audio ($1,439) →Search eBay for Rythmik F12 →

SVS SB-3000: $1,099.00 Amazon eBay

SVS SB-3000 ranking card

Pros: 13-inch sealed design with 800W RMS (2500W peak) that Audioholics measured at a 118.7dB CEA-2010-A average from 40-80Hz, and rated by SVS at 18-270Hz within ±3dB. Beautifully made with pinpoint control and flawless tonal accuracy. Sweet spot performance-to-value ratio. Three-band parametric EQ with 1Hz precision adjustment.

Cons: Being sealed, it gives up deep-bass output: Audioholics measured 96.6dB at 20Hz and 101.7dB at 25Hz, about 15dB behind the ported SVS PB-3000 from the same series, so a large room or reference-level movie bass may call for a second sub.

Full SVS SB-3000 review and specifications →

Amplifier Power800W RMS / 2500W peak
CEA-2010-A Average (40-80Hz)118.7 dB
Cabinet Colorblack
CountryUnited States
Crossover Frequency30-200Hz adjustable, 6/12/18/24dB slopes
Dimensions15.6"H x 15.2"W x 15.7"D (396.2 x 386.1 x 398.8 mm)
Drivers13" (330mm) driver
Enclosuresealed
FeaturesAuto/On, 3-12V AC/DC trigger
Frequency Response18-270Hz, ±3dB
InputsRCA (unbalanced), USB
Measurement SourceAudioholics
Output SPL at 15 Hz90.3 dB
Output SPL at 20 Hz96.6 dB
Output SPL at 25 Hz101.7 dB
Output SPL at 31.5 Hz107.8 dB
Output SPL at 40 Hz114.6 dB
Output SPL at 50 Hz118.7 dB
Output SPL at 63 Hz120.7 dB
Output SPL at 80 Hz120.9 dB
Output SPL at 100 Hz120.8 dB
Output SPL at 125 Hz120.7 dB
Phase Control0°-180°
Warranty5
Weight54.5 lbs (24.7 kg)
Check current price at Amazon ($1,099.00) →Search eBay for SVS SB-3000 →