Rythmik Audio
Rythmik FV15HP
$2127
Best Subwoofers · head-to-head
Rythmik FV15HP vs RSL Speedwoofer 10S MKII
A sourced, side-by-side comparison. RSL Speedwoofer 10S MKII is cheaper at $499. Every spec and price links to its source.
Rogersound Labs
RSL Speedwoofer 10S MKII
$499Cheaper
Released 2022
Which is better: the Rythmik FV15HP or RSL Speedwoofer 10S MKII?
On the specs we track, they're closely matched. The RSL Speedwoofer 10S MKII is the cheaper at $499.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| 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 |
Sources — Rythmik FV15HP: rythmikaudio.com (verified 2026-07-11). RSL Speedwoofer 10S MKII: rslspeakers.com (verified 2026-07-11).
What's the difference between the Rythmik FV15HP and RSL Speedwoofer 10S MKII?
Where the two actually differ on the specs we track (6 of 11). Matching specs are omitted.
- 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 false vs RSL Speedwoofer 10S MKII true
- 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