Pioneer gm a4704 4 channel amplifier review.
4-Channel Bridgeable Amplifier (520W)
A combination of great design and massive power, the GM-A4704 amplifier gives you total installation freedom and no distortion. With a one-body heat sink and gain adjustment of up to 6.5V, you can turn your in-car audio experience into the sound staging environment that you’re looking for.
This 4-channel amp allows you to drive multiple speakers and subwoofers, it’s also bridgeable to power a single sub.
Pioneer gm a4704 4 channel amplifier Main Features
| Max. current consumption | 20.5A |
| 4-channel | |
| Maximum power input | 520W (Bridged) or 2 x 80W (4 Ω) or 4 x 130 W (2 Ω) |
| CEA 2006 Power | 2 x 130W (4 Ω) |
| Continuous power output | 4 x 40W (4 Ω) or 2 x 130W (4Ω bridged) or 4 x 65 W (2 Ω) |
| Load impedance capability | 2-8 ohm allowable (stereo) |
| Frequency response | 10Hz ~ 70kHz (+0dB , -3dB) Hz |
| Distortion | < 0.05 % |
| S/N ratio | > 94 dB |
| LPF | 80 Hz (-12 dB/oct) |
| Chassis size (W x H x D) | 326(W) x 60(H) x 215(D) |
| Unit weight | 2.0 |
| Speaker Terminals | Screw-type |
| Speaker Input Level | 3 - 26 V |
Connections
| High Voltage Input | 300 mV - 6.5 V |