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Highlights
4-Channel Class D Full-Range Car/Marine Amplifier, 100 W x 4 @ 2 Ω / 75 W x 4 @ 4 Ω - 14.4V
The ultra-compact XDM400/4 packs a serious full-range punch, generating a whopping 100 watts to each of its four channels into 2 ohms (14.4V, 1% THD). The technology that makes this much power possible in such a compact chassis is our advanced NexD™ high-speed switching design, which permits full bandwidth Class D operation with extremely low distortion and remarkable efficiency.
Suitable for car or boat installations, the XDM400/4 is built with marine-grade materials and features an exclusive, dual-mode input filter for noise-free performance in boats or cars. Automatic turn-on capability (via signal sensing or DC-offset sensing) is also onboard for easy factory system upgrades.
Combine the XDM400/4 with our XDM600/1 monoblock to build a stunning 1000 W amplification system to power four satellites and a subwoofer... and fit the whole thing under a seat or deck. Or, use the XDM400/4 by itself to power two satellites, plus a subwoofer.
The XDM400/4 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 optional HD-RLC or MHD-RLC (water-resistant) remote level controller (each sold separately), you have the ability to adjust the level of all amplifier channels or just the rear channels directly from the driver's seat or cockpit.
Finished in a sleek, black powder-coat, all controls are protected beneath a gasketed, removable top cover for easy access.
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
General Specifications
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
200 mV - 4 V RMS
Min.Copper Power / Ground Wire Gauge
4 AWG wire
Fuse Rating
40 A (AFS, AGU or MaxiFuse™)
Signal Processing
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 or MHD-RLC (water-resistant)
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
Physical Specifications
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
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