JL Audio XD400/4v2

General Specifications

Rated Continuous (RMS) Power @ 14.4 V
@ 4 Ω 75 W RMS x 4
@ 2 Ω 100 W RMS x 4
Bridged @ 4Ω 200 W RMS x 2

Rated Continuous (RMS) Power @ 12.5 V
@ 4 Ω 60 W RMS x 4
@ 2 Ω 90 W RMS x 4
Bridged @ 4Ω 180 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 – Switchable from 200 mV – 2 V RMS (Low) to 800 mV – 8 V RMS (High)
Min.Copper Power / Ground Wire Gauge – 4 AWG wire
Fuse Rating – 40 A (AFS, AGU or MaxiFuse™)

Filter Mode(s) – Low-Pass or High-Pass
Filter Slope(s) – 12 dB/octave
Filter Frequency Range – 50 Hz – 500 Hz
Detented, Calibrated Filter Freq. Potentiometers – Yes
Filter Defeat Function – 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 – Buffered
Source Channel Selection for PreOuts – Yes

Height (H) 2.05 in / 52 mm
Width (W) 8.52 in / 216 mm
Depth (D) 7.09 in / 180 mm
Net Weight 6.3 lb / 2.86 kg

Description

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.

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