This tiny amplifier packs a serious full-range punch, delivering a staggering 100 watts to each of its four channels into 2 ohms (14.4V, 1% THD). The breakthrough that makes this much power possible in such a small chassis is our NexD™ ultra-high-speed switching design, which allows for full bandwidth Class D operation with extremely low distortion and outstanding efficiency.
JL Audio's exclusive NexD™ switching technology achieves total amplifier efficiencies exceeding 80%, which means far less heat and less strain on your vehicle's electrical system than a conventional large amplifier. This efficiency advantage, combined with state-of-the-art microelectronic components allows us to use very compact unitary cast alloy heat sinks. As with their more expensive HD siblings, XD4004's also deploy our Advanced Thermal Rollback System to completely eliminate annoying thermal shut-down events.
Active Crossover Features
Fully variable 12dB/octave filters with detented filter frequency selection controls offer excellent tuning flexibility
• Advanced Rollback Protection
• Preamp Outputs
• Differential-Balanced Inputs
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