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Home > Amplifiers & Processors > 4 Channel Car Amps > 4 Ch. Class D Full-Range Amplifier
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Printable version 
JL Audio 4 Ch. Class D Full-Range Amplifier

JL Audio XD400/4 This item is available in store only.

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4 Ch. Class D Full-Range Amplifier
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Price:  $419.99
MSRP: $449.95
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JL Audio XD400/4 4 Ch. Class D Full-Range Amplifier

  • 4 X 75W @ 4-ohm
  • 4 x 100W @ 2-ohm
  • 2 x 200W @ 4-ohm Bridged
  • S/N > 104 dB

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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 XD400/4 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 XD400/4 by itself to power two satellites, plus a subwoofer. With XD's, the possibilities are endless.

The XD400/4 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. With the addition of an HD-RLC remote level control (sold separately), the amplifier's Ch. 1 & 2 level or overall 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.

@ 4 Ω 75 W RMS x 4
@ 2 Ω 100 W RMS x 4
Bridged @ 4Ω 200 W RMS x 2

Frequency Response 12 Hz - 22 kHz (+0, -1dB)
S/N Ratio, referred to highest rated power >104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W >84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 Ω >150 / 50 Hz
Damping Factor @ 2 Ω >75 / 50 Hz
THD+N @ Rated Power <1% @ 2 Ω per Ch.
Input Voltage Range @ RCA Inputs 100 mV - 4 V RMS
Min Copper Power / Ground Wire Gauge 4 AWG wire
Fuse Rating 50 A (AFS, AGU or MaxiFuse™)

Filter Modes Low-Pass or High-Pass
Filter Slope (dB/Octave) 12dB
Filter Frequency Range 50-500 Hz
Detented, Calibrated Filter Freq. Potentiometers Yes
Filter Defeatable? Yes
Remote Level Control Optional (HD-RLC)
Remote Level Modes 2 or All channels
Channel Input Mode Switch Yes (2/4 ch.)
Pass-Through Preamp Output Type Buffered
Source Channel Selection for PreOuts Yes


Table_Image

Height (H) 2.05 in / 52 mm
Width (W) 8.52 in / 216 mm
Depth (D) 7.09 in / 180 mm
Net Weight 4.75 lb / 2.15 kg

 

 

 

 
 
 
 
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