PIONEER GM-D1004 GM Digital Series Slim Compact 4-Channel 400-Watt Class FD Amp

The PIONEER GM-D1004 from the GM Digital Series is a slim, compact Class FD amp designed to deliver powerful audio in limited spaces. This 4-channel amplifier produces 400-Watt output and is well suited for multi-speaker installations or bridged configurations. Its low-profile chassis allows flexible mounting under seats or in tight cavities while providing the performance expected from Pioneer engineering. Ideal for users who need a space-saving solution without sacrificing multi-channel power, the GM-D1004 combines compact form factor with dependable amplification.