Pioneer
Pioneer GM-D9705
$349.99
Best Car Amplifiers · head-to-head
Pioneer GM-D9705 vs Alpine S2-A60M
A sourced, side-by-side comparison. Alpine S2-A60M is cheaper at $299.95. Every spec and price links to its source.
Alpine
Alpine S2-A60M
$299.95Cheaper
Which is better: the Pioneer GM-D9705 or Alpine S2-A60M?
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 |  Pioneer GM-D9705 |  Alpine S2-A60M |
|---|---|---|
| US price | $349.99 | $299.95 |
| Brand | Pioneer | Alpine |
| Released | — | — |
| Channels | 5 | 1 |
| Amplifier class | Class FD | Class D |
| RMS per channel4 ohm (W) | 75 | 330 |
| RMS per channel2 ohm (W) | 100 | 600 |
| Bridged rms4 ohm (W) | 200 | — |
| Total RMS power (W) | — | 600 |
| Snr (dB) | 94 | 85 |
| Thd percent | — | 0.1 |
| Frequency response (Hz) | 10-50000 | 10-400 |
| Min impedance ohms | 2 | 1 |
| Fuse rating amps | — | — |
Sources — Pioneer GM-D9705: pioneercarentertainment.com (verified 2026-07-11). Alpine S2-A60M: alpine-usa.com (verified 2026-07-11).
What's the difference between the Pioneer GM-D9705 and Alpine S2-A60M?
Where the two actually differ on the specs we track (7 of 11). Matching specs are omitted.
- Channels: Pioneer GM-D9705 5 vs Alpine S2-A60M 1
- Amplifier class: Pioneer GM-D9705 Class FD vs Alpine S2-A60M Class D
- RMS per channel4 ohm (W): Pioneer GM-D9705 75 vs Alpine S2-A60M 330
- RMS per channel2 ohm (W): Pioneer GM-D9705 100 vs Alpine S2-A60M 600
- Snr (dB): Pioneer GM-D9705 94 vs Alpine S2-A60M 85
- Frequency response (Hz): Pioneer GM-D9705 10-50000 vs Alpine S2-A60M 10-400
- Min impedance ohms: Pioneer GM-D9705 2 vs Alpine S2-A60M 1