Rythmik FV25HP vs RSL (Rogersound Labs) Speedwoofer 12S

Last updated: September 16, 2026

Short answer: the Rythmik FV25HP if sound quality matters most, the RSL (Rogersound Labs) Speedwoofer 12S if price matters most. The Rythmik FV25HP ranks #22 of 110 subwoofers at $2499. The RSL (Rogersound Labs) Speedwoofer 12S ranks #98 at $800, $1699 cheaper.

Rythmik FV25HP vs RSL (Rogersound Labs) Speedwoofer 12S

What the Rythmik FV25HP offers: Independent CEA-2010 testing records 116.6 dB at 20 Hz and 126.2 dB through 40-80 Hz. The ported, front enclosure with 2x 15” (381mm) driver has the headroom for demanding film bass in a large room. Watch for: The 1054.1H x 533.4W x 558.8D mm cabinet and 95.3 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.

What the RSL (Rogersound Labs) Speedwoofer 12S offers: Independent CEA-2010 testing records 109.3 dB at 20 Hz and 113.2 dB through 40-80 Hz. The ported, rear enclosure with 12” (305mm) driver has the headroom for demanding film bass in a large room. Watch for: The 565.1H x 479.4W x 562.0D mm cabinet and 37.2 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.

Buy the Rythmik FV25HP when sound quality outweighs the price for you, and the RSL (Rogersound Labs) Speedwoofer 12S when the price outweighs sound quality instead.

Skip the RSL (Rogersound Labs) Speedwoofer 12S if sound quality matters to you. It ranks near the bottom of the 110 subwoofers.

Still deciding? The full Subwoofers rankings cover every ranked option.

Specifications Side By Side

Rythmik FV25HP RSL (Rogersound Labs) Speedwoofer 12S
Price$2499$800
Ranked#22 of 110 in Large Home Subwoofers (Over 75 lbs)#98 of 110 in Large Home Subwoofers (Over 75 lbs)
Enclosureported, frontported, rear
Output SPL at 10 Hz99.7 dB-
Output SPL at 12.5 Hz108.4 dB-
Output SPL at 15 Hz113.2 dB104.4 dB
Output SPL at 20 Hz116.6 dB109.3 dB
Output SPL at 25 Hz119.1 dB110.9 dB
Output SPL at 31.5 Hz122.4 dB112.5 dB
Output SPL at 40 Hz124.7 dB113.4 dB
Output SPL at 50 Hz126.1 dB113.4 dB
Output SPL at 63 Hz126.7 dB113.0 dB
Output SPL at 80 Hz127.3 dB113.1 dB
Output SPL at 100 Hz127.9 dB112.2 dB
Output SPL at 125 Hz127.8 dB-
CEA-2010-A Average (40-80Hz)126.2 dB113.2 dB
Dimensions41.5"H x 21"W x 22"D (1054.1 x 533.4 x 558.8 mm)22.2"H x 18.9"W x 22.1"D (565.1 x 479.4 x 562.0 mm)
Weight210.1 lbs (95.3 kg)82 lbs (37.2 kg)
Warranty5/3?
Cabinet Colorblackblack, white
CountryUnited StatesUnited States
Measurement SourceData-bassErinsAudioCorner
Drivers2x 15" (381mm) driver12" (305mm) driver

More worthwhile head-to-heads for Rythmik FV25HP:

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

Rythmik FV25HP: $2499 eBay

Rythmik FV25HP ranking card

Pros: Independent CEA-2010 testing records 116.6 dB at 20 Hz and 126.2 dB through 40-80 Hz. The ported, front enclosure with 2x 15” (381mm) driver has the headroom for demanding film bass in a large room.

Cons: The 1054.1H x 533.4W x 558.8D mm cabinet and 95.3 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.

Full Rythmik FV25HP review and specifications →

CEA-2010-A Average (40-80Hz)126.2 dB
Cabinet Colorblack
CountryUnited States
Dimensions41.5"H x 21"W x 22"D (1054.1 x 533.4 x 558.8 mm)
Drivers2x 15" (381mm) driver
Enclosureported, front
Measurement SourceData-bass
Output SPL at 10 Hz99.7 dB
Output SPL at 12.5 Hz108.4 dB
Output SPL at 15 Hz113.2 dB
Output SPL at 20 Hz116.6 dB
Output SPL at 25 Hz119.1 dB
Output SPL at 31.5 Hz122.4 dB
Output SPL at 40 Hz124.7 dB
Output SPL at 50 Hz126.1 dB
Output SPL at 63 Hz126.7 dB
Output SPL at 80 Hz127.3 dB
Output SPL at 100 Hz127.9 dB
Output SPL at 125 Hz127.8 dB
Warranty5/3
Weight210.1 lbs (95.3 kg)
Search eBay for Rythmik FV25HP →

RSL (Rogersound Labs) Speedwoofer 12S: $800 eBay

RSL (Rogersound Labs) Speedwoofer 12S ranking card

Pros: Independent CEA-2010 testing records 109.3 dB at 20 Hz and 113.2 dB through 40-80 Hz. The ported, rear enclosure with 12” (305mm) driver has the headroom for demanding film bass in a large room.

Cons: The 565.1H x 479.4W x 562.0D mm cabinet and 37.2 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.

Full RSL (Rogersound Labs) Speedwoofer 12S review and specifications →

CEA-2010-A Average (40-80Hz)113.2 dB
Cabinet Colorblack, white
CountryUnited States
Dimensions22.2"H x 18.9"W x 22.1"D (565.1 x 479.4 x 562.0 mm)
Drivers12" (305mm) driver
Enclosureported, rear
Measurement SourceErinsAudioCorner
Output SPL at 15 Hz104.4 dB
Output SPL at 20 Hz109.3 dB
Output SPL at 25 Hz110.9 dB
Output SPL at 31.5 Hz112.5 dB
Output SPL at 40 Hz113.4 dB
Output SPL at 50 Hz113.4 dB
Output SPL at 63 Hz113.0 dB
Output SPL at 80 Hz113.1 dB
Output SPL at 100 Hz112.2 dB
Warranty?
Weight82 lbs (37.2 kg)
Search eBay for RSL (Rogersound Labs) Speedwoofer 12S →