PIONEER 4CH GM-A4704 Amplifier (520W)

4-Channel Bridgeable Amplifier (520W)

TECHNOLOGY OF GM SERIES

From dramatic distinction to dramatic design, Pioneer’s new GM-Series amplifiers are thrillers in every sense, pushing the limits of flexibility and functionality.

Bridgeable amplifier
with 4 channels (520 W)

Small but brave.
The GM-A4704 amplifier combines a beautiful design with an abundance of power. It offers you total installation freedom and does not cause distortion. With a one-piece heat sink and an amplification factor of up to 6.5 V, you get the sound environment you’ve always wanted in your car.

With this 4-channel amplifier, you can control multiple speakers and subwoofers. It can also be bridged to drive a single subwoofer.

4-channel combines stunning power with big sound for a loud, clear and noise-free music experience

Main functions

Load impedance option 2-8 ohms possible (stereo)
Frequency Response 10Hz ~ 70kHz (+0dB, -3dB) Hz
Distortion < 0.05 %
S/N ratio > 94 dB
LPF 80 Hz (-12 dB/oct)
Dimensions (W x H x D) 326(W) x 60(H) x 215(D)
Unit weight 2.0
Loudspeaker terminals Screw terminals
Speaker Input Level 3 – 26 V
Max. power consumption (A/4O) 20.5A
4 channel
Maximum power consumption 520W (bridged) or 2 x 80W (4 Ω) or 4 x 130 W (2 Ω)
CEA 2006 Power (THD + N = 1%) 2 x 130W (4 Ω)
Continuous output power (RMS) 4 x 40W (4 Ω) or 2 x 130W (4Ω bridged) or 4 x 65 W (2 Ω)
Connections

High Voltage Input 300 mV – 6.5 V