JL Audio M400/4, marine audio amplifiers, marine audio amps

M400/4
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M400/4 400W 2/3/4 Channel Marine Amplifier Features:

	M400/4

Description:	400W 2/3/4 Channel Marine Amplifier
Patented Technology:	Single Cycle Control. (U.S. Patent #6,084,450*)
Inputs:	Two Stereo Pairs
On-board Crossover:	State-variable, 12dB/octave Butterworth with continuously variable cutoff frequency selection from 50-500 Hz. Configurable as Low-Pass or High-Pass. Defeatable.
Speaker output connections:	Accept up to 12 AWG wire
+12V and Ground connections:	Accept up to 4 AWG wire

M400/4 400W 2/3/4 Channel Marine Amplifier Specifications:

	M400/4
Rated Power 14.4 V Stereo:	75W RMS x 4 @ 4 ohms 100W RMS x 4 @ 2 ohms
Rated Power 14.4 V Bridged :	150W RMS x 2 @ 8 ohms 200W RMS x 2 @ 4 ohms
Rated Power 12.5 V Stereo:	60W RMS x 4 @ 4 ohms 90W RMS x 4 @ 2 ohms
Rated Power 12.5 V Bridged:	120W RMS x 2 @ 8 ohms 180W RMS x 2 @ 4 ohms
THD at Rated Power:	<1% THD+Noise (20Hz - 20 kHz)
S/N Ratio:	>104 dB referred to rated power (A-weighted, 20 Hz-20 kHz noise bandwidth) >84 dB referred to 1W (A-weighted, 20 Hz-20 kHz noise bandwidth)
Frequency Response:	12 Hz - 22 kHz (+0, -1dB)
Damping Factor:	>150 @ 4 ohms per ch./ 50 Hz >75 @ 2 ohms per ch. / 50 Hz
Input Range:	100mV - 4V RMS
Dimensions (L x W x H):	8.52 in. x 7.09 in. x 2.05 in. 217 mm x 180 mm x 52 mm

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