Alpine
Alpine S2-A60M
$299.95Cheaper
Best Car Amplifiers · head-to-head
Alpine S2-A60M vs Kicker KEY500.1
A sourced, side-by-side comparison. Alpine S2-A60M is cheaper at $299.95. Every spec and price links to its source.
Kicker
Kicker KEY500.1
$299.99
Which is better: the Alpine S2-A60M or Kicker KEY500.1?
On the specs we track, they're closely matched. The Alpine S2-A60M is the cheaper at $299.95.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Alpine S2-A60M |  Kicker KEY500.1 |
|---|---|---|
| US price | $299.95 | $299.99 |
| Brand | Alpine | Kicker |
| Released | — | — |
| Channels | 1 | 1 |
| Amplifier class | Class D | — |
| RMS per channel4 ohm (W) | 330 | 150 |
| RMS per channel2 ohm (W) | 600 | 300 |
| Bridged rms4 ohm (W) | — | — |
| Total RMS power (W) | 600 | 500 |
| Snr (dB) | 85 | 90 |
| Thd percent | 0.1 | — |
| Frequency response (Hz) | 10-400 | 10-160 |
| Min impedance ohms | 1 | 1 |
| Fuse rating amps | — | — |
Sources — Alpine S2-A60M: alpine-usa.com (verified 2026-07-11). Kicker KEY500.1: kicker.com (verified 2026-07-11).
What's the difference between the Alpine S2-A60M and Kicker KEY500.1?
Where the two actually differ on the specs we track (5 of 11). Matching specs are omitted.
- RMS per channel4 ohm (W): Alpine S2-A60M 330 vs Kicker KEY500.1 150
- RMS per channel2 ohm (W): Alpine S2-A60M 600 vs Kicker KEY500.1 300
- Total RMS power (W): Alpine S2-A60M 600 vs Kicker KEY500.1 500
- Snr (dB): Alpine S2-A60M 85 vs Kicker KEY500.1 90
- Frequency response (Hz): Alpine S2-A60M 10-400 vs Kicker KEY500.1 10-160