Multichannel Amplifiers: April 2011

JL Audio XD400/4 - Amplifier - 4-channel Reviews

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JL Audio XD400/4 - Amplifier - 4-channel Feature

Ultra-High Speed NexD switching technology delivers reference-grade audio with outstanding efficiency
Studio-Grade Signal Processing
Differential-Balanced Outputs
Advanced Rollback Thermal Protection
Continuous Power (RMS method) 14.4V@<1% THD (20Hz-20kHz) // 100Wx4 @ 2ohms per ch. // 75Wx4 @ 4ohms per ch. // 200Wx2 @ 4ohms per ch. (bridged)

4-channel car amplifier

75 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms)

200 watts RMS x 2 bridged at 4 ohms (4-ohm stable bridged)

variable low- and high-pass filters (50-500 Hz, 12 dB/octave)

optional wire remote for level control

Class D amplifier design with NextDTM switching amp technology

differential-balanced inputs eliminate noise coming from your vehicle's electrical system

Advanced Rollback Protection System prevents thermal shut-down

speaker- and preamp-level inputs (speaker-level input requires an optional adapter)

preamp outputs

4-gauge power and ground leads and a 40-amp fuse recommended - wiring and hardware not included with amplifier

no onboard fuses - when installing multiple amps in a system, an additional 40-amp in-line fuse between the distribution block and the amplifier is recommended

8-1/2"W x 2"H x 7-3/8"D