Pioneer GM-A4704 bridgeable 4-channel power amplifier for sale. Excellent choice for upgrading your car audio system and powering door speakers, components, or a subwoofer in bridged mode. Details: * Model: Pioneer GM-A4704 * 4/3/2 channel operation * 520W maximum power * Bridgeable amplifier * High-output design * Clean and powerful sound * Original Pioneer unit * Comes with original box * Used carefully and in good condition Ideal for anyone looking for a reliable branded amplifier instead of low-quality local amps. Condition: 10/10 / Good Condition Reason for Sale: Audio system upgrade Serious buyers only. Price is final