The GT5-A604 brings studio-quality audio to your car. With total peak power of 640 watts but dimensions of only 2-1/8" (54mm) high, 9-1/4" (235mm) wide and 12" (305mm) deep, the GT5-A604 is compact but mighty. Features include a cast-aluminum heatsink, built-in electronic crossover networks, auxiliary line-level outputs and bass boost. Full-range preamp outputs are provided, facilitating multiple amplifier hookups without the need for high-loss Y-adapters or signal splitters.