M4300 - JL Audio 4-Channel 300 Watt Marine Audio Amplifier

Description: Class A/B Four-Channel System Amplifier Patented Technology: Absolute Symmetry, Class A/B Circuit (U.S. Patent #6,294,959) Inputs: For superior noise immunity, RCA jack inputs On-board Crossover: State-variable, 12dB / octave Butterworth with continuously variable cutoff frequency selection from 50 - 200 Hz. Configurable as Low-Pass or High-Pass Preamp Output: Pass-through type Bass EQ (Channels 3&4 only): +6 dB fixed frequency, fixed 'Q' (defeatable) with port for optional remote bass control (RBC-1) Speaker output connections: Accept up to 8 AWG wire +12V and Ground connections: Accept up to 4 AWG wire Rated Power 14.4 V Stereo: 70 W RMS x 4 @ 4 ohm / 110 W RMS x 4 @ 2 ohm Rated Power 14.4 V Bridged : 140 W RMS x 2 @ 8 ohm / 220 W RMS x 2 @ 4 ohm Rated Power 12.5 V Stereo: 45W RMS x 4 @ 4 ohm / 75W RMS x 4 @ 2 ohm Rated Power 12.5 V Bridged: 90W RMS x 2 @ 8 ohm / 150W RMS x 2 @ 4 ohm THD at Rated Power: 12.5V: <0.08% THD, 20 Hz - 20 kHz / 14.4V: <1% THD, 20 Hz - 20 kHz S/N Ratio: >104 dB referred to rated power (A-weighted, 20 Hz -20 kHz noise bandwidth) Frequency Response: 10 Hz - 25 kHz (+0, -1dB) Damping Factor: >200 @ 4 ohm per ch. / 50 Hz >100 @ 2 ohm per ch. / 50 Hz Slew Rate: 22V / s Input Range: 200mV - 8V RMS Dimensions (L x W x H): 13.80 in. x 9.25 in. x 2.50 in. / 350 mm x 235 mm x 63.5 mm