The Rockford Fosgate M600-4D is a high-performance marine Class-D amplifier with 4 channels and 600 Watt power. Built with Marine quality PC board and integrated Punch EQ, it offers crossover protection circuits and tri-state.

• RMS Power Capability: 100 Watts x 4 @ 4-Ohm, 150 Watts x 4 @ 2-Ohm, 300 Watts x 2 @ 4-Ohm Bridged
• Maximum Power Capability: 600 Watts
• Input Voltage: 14.4v
• Custom Crossovers: Variable 50Hz - 500Hz @ 12dB/octave on both channels
• Tone Control: 0dB to +18dB @ 45Hz
• Input Signal: Low Level: 2 RCA Pair
• Output Signal: Low Level: 1 RCA Pair
• Frequency Response: 20Hz to 20kHz +/-1dB
• Dimensions: 1.97" x 6.77" x 11.06" (5 x 17.20 x 28.10cm)
• Efficiency: 80% @ 4-Ohm, 75% @ 2-Ohm