Pioneer GM-D8704 Stereo Amp Compact 4 Channel Class FD Car Amplifier 600w RMS

The Pioneer GM-D8704 is a compact 4-channel Class-FD car amplifier delivering 600W RMS (4 x 150W at 2 ohms), with 1-ohm stable operation and speaker level inputs. It suits builds where space is tight and you want to power speakers and subwoofers from either an aftermarket or factory head unit.

Key specifications

• Channels: 4 / 2 / 1 (bridgeable)
• RMS power: 4 x 100W (4 Ω), 4 x 150W (2 Ω), 4 x 125W (1 Ω)
• Bridged power: 2 x 300W RMS (4 Ω)
• Maximum power: 1200W total
• Inputs: RCA (0.2 V to 6.5 V) and speaker level (0.8 V to 16 V) with line input sensor
• Crossover: variable LPF and HPF, 40 to 500 Hz (-12 dB/oct)
• Signal to noise: greater than 95 dB; distortion below 0.05%
• Chassis size: 252 x 60 x 215 mm (W x H x D)

GM-D8704 4-Channel Class-FD Car Amplifier

Compact 4-Channel Power

The GM-D8704 delivers 600W RMS in a compact chassis, making it well suited to space-restricted installs without sacrificing output. If you need a dedicated subwoofer amp alongside it, Pioneer's GM-D series is also available as the Pioneer GM-D8701 mono Class-FD amplifier.

• 1-ohm stable circuit for flexible speaker and subwoofer configurations
• Speaker line input sensor lets you connect directly to an OEM head unit with no extra adapters needed

Variable LPF

Adjust the low-pass filter frequency (40 to 500 Hz, -12 dB/oct) to suit your subwoofers and get the best performance from your setup.

Variable HPF

Adjust the high-pass filter frequency (40 to 500 Hz, -12 dB/oct) to match your speakers and improve overall system balance.

Multi-Block Terminal

Connect up to four subwoofers cleanly through the multi-block terminal for high-power output and a tidy install.

Class-FD Design

The Class-FD design runs efficiently and keeps overall size down, delivering strong, clear output from a 252 x 60 x 215 mm chassis.