JL AUDIO XD400/4v2

4-Channel Class D Full-Range Amplifier, 100 W x 4 @ 2 Ω / 75 W x 4 @ 4 Ω - 14.4V

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.

Use the XD400/4v2 in combination with our XD600/1 monoblock to build a 1000 W amplification system to power four satellites and a subwoofer... and fit the whole thing under a seat. Or, use the XD400/4v2 by itself to power two satellites, plus a subwoofer. With XD's, the possibilities are endless.

The XD400/4v2 includes a 12 dB / octave filter for each channel bank, which can be configured as a low-pass or high-pass filter and offers continuously variable cutoff frequency selection from 50-500 Hz.

The XD400/4v2 also features the v2 Spec feature set, which consists of automatic turn-on capability (via signal sensing or DC-offset sensing), and a dual-range differential-balanced input section able to handle a wide range of input voltage levels. With the addition of an HD-RLC remote level control (sold separately), the amplifier's level can be directly controlled from the driver's seat.

This amplifier features a black powder-coat finish and a gasketed, brushed aluminum cover for the controls.

Specification

Part Number: XD400/4v2

• XDv2 Series Class D 4-Channel Amplifier
• RMS Power Rating @14.4V:
• 4 ohms: 75 watts x 4 chan.
• 2 ohms: 100 watts x 4 chan.
• Bridged 4 ohms: 200 watts x 2 chan.
• RMS Power Rating @12.5V:
• 4 ohms: 60 watts x 4 chan.
• 2 ohms: 90 watts x 4 chan.
• Bridged 4 ohms: 180 watts x 2 chan.
• NexD High Speed Switching Class D Technology
• Wired HD-RLC remote level control available, sold separately
• LED power (green), over-current (yellow) and protect (red) indicators
• Advanced Rollback Protection
• Differential Balanced RCA Input
• Pass-through preamp RCA outputs
• Selectable turn-on modes: REM / Offset / Signal
• +12 V Remote Turn-On: Traditional remote lead wire, from headunit
• DC Offset-Sensing: On/Off by detecting a very small DC signal (high-level signal only)
• Signal-Sensing: On/Off by detecting a full-range audio signal at left-channel input (high-level signal only)
• Speaker level inputs via RCA, JL Audio XD-CLRAIC2-SW required
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Detented, Calibrated Filter Freq. Potentiometer
• State-variable, 12dB/octave Butterworth Crossover
• Input sensitivity:
• Low level: 800mV - 8V
• High level: 200mV - 2V
• Frequency Response: 12 - 22,000 Hz
• Total Harmonic Distortion (THD): <1%
• Signal to Noise Ratio: >104 dB
• Damping Factor @4 ohms: >150 / 50 Hz
• Selectable Filter Mode: Off / HP / LP
• variable cutoff filter: 50 - 500 Hz, 12 dB/octave
• Fuse Rating: 40A x 1 inline (not supplied)
• Dimensions: 7.09"W x 6.85"L x 2.05"H

What's Included

2 Year Warranty

• XD400/4v2
• 2.5mm Allen wrench
• Self-adhesive JL Audio badge
• Owner's manual