Alpine
Alpine R2-S65
$329.95
Released 2022
Best Car Speakers · head-to-head
A sourced, side-by-side comparison. Polk Audio DB652 is cheaper at $110. Every spec and price links to its source.
Alpine
$329.95
Released 2022
Polk Audio
$110Cheaper
On the specs we track, they're closely matched. The Polk Audio DB652 is the cheaper at $110.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $329.95 | $110 |
| Brand | Alpine | Polk Audio |
| Released | 2022 | — |
| Speaker type | coaxial | coaxial |
| Configuration | 2-way | — |
| Size inches | 6.5 | 6.5 |
| Power rms watts | 100 | 100 |
| Power peak watts | 300 | 300 |
| Sensitivity (dB) | 88 | 92 |
| Impedance ohms | 4 | 4 |
| Frequency response (Hz) | 65-40000 | 40-22000 |
| Mounting depth (in) | — | 1.77 |
| Woofer material | glass-fiber | polypropylene |
| Tweeter material | magnesium | — |
| Crossover included | No | No |
Sources — Alpine R2-S65: alpine-usa.com (verified 2026-07-13). Polk Audio DB652: polkaudio.com (verified 2026-07-13).
Where the two actually differ on the specs we track (3 of 12). Matching specs are omitted.