The 4-channel GM-6200F delivers a whopping 600 watts max (60 watts x 4 or 150 watts x 2 at 4 ohms; 75 watts x 4 at 2 ohms) — plenty of juice to power your high-quality speakers. Its also got built-in 4-channel crossovers. Speaker level inputs for easy connection to an OEM headunit. Oversized power terminals. And a wide input level of 400mV to 6.5V.