# Rythmik FV15HP vs RSL Speedwoofer 10S MKII: specs and price compared

A sourced, side-by-side comparison of the Rythmik FV15HP (Rythmik Audio) and RSL Speedwoofer 10S MKII (Rogersound Labs) among subwoofers. RSL Speedwoofer 10S MKII is the cheaper of the two at $499.

## Side by side

| Spec | Rythmik FV15HP | RSL Speedwoofer 10S MKII |
| --- | --- | --- |
| US price | $2127 | $499 |
| Brand | Rythmik Audio | Rogersound Labs |
| Released | — | 2022 |
| Driver size (in) | 15 | 10 |
| Amplifier power rms (W) | 600 | 400 |
| Amplifier power peak (W) | — | 1020 |
| Enclosure type | ported | ported |
| Frequency response (Hz) | 12 to 200 | 22-200 Hz ±3 dB |
| Amplifier class | class-h | class-d |
| Driver orientation | — | front-firing |
| Room correction | No | No |
| Wireless input | No | Yes |
| Dimensions (in) | 24-1/2 x 18-1/4 x 24-1/4 | 15 1/2 x 15 x 15 3/4 |
| Weight (lb) | — | 40.6 |

## Key differences

- Driver size (in): Rythmik FV15HP 15 vs RSL Speedwoofer 10S MKII 10
- Amplifier power rms (W): Rythmik FV15HP 600 vs RSL Speedwoofer 10S MKII 400
- Frequency response (Hz): Rythmik FV15HP 12 to 200 vs RSL Speedwoofer 10S MKII 22-200 Hz ±3 dB
- Amplifier class: Rythmik FV15HP class-h vs RSL Speedwoofer 10S MKII class-d
- Wireless input: Rythmik FV15HP No vs RSL Speedwoofer 10S MKII Yes
- Dimensions (in): Rythmik FV15HP 24-1/2 x 18-1/4 x 24-1/4 vs RSL Speedwoofer 10S MKII 15 1/2 x 15 x 15 3/4

## Sources

- Rythmik FV15HP: https://www.rythmikaudio.com/FV15HP_specs.html (rythmikaudio.com, verified 2026-07-11)
- RSL Speedwoofer 10S MKII: https://rslspeakers.com/products/rsl-speedwoofer-10s-mkii?country=US (rslspeakers.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/subwoofers/rythmik-fv15hp-vs-rsl-speedwoofer-10s-mkii/
Cite: Per The Front Desk Review, Rythmik FV15HP ($2127) vs RSL Speedwoofer 10S MKII ($499) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/subwoofers/rythmik-fv15hp-vs-rsl-speedwoofer-10s-mkii/
License: CC BY 4.0.