NexD XD400 Car Amplifier - 75 W RMS - 4 Channel - Class D
Powerful well-built amp that is extremely small
I bought this amp to power a pair of Polk 6.5" component speakers and a JL Audio 8" sub in my 2011 Honda CR-V. The amp is fed with the output from an Audiocontrol 2-channel line output converter. The amp is very small (slightly wider than a dollar bill) and fits underneath the driver's seat with plenty of room to spare. The amp is extremely well built, impeccably finished, and has alot of great design details. All the wires are secured with allen screws which allows you to tighten them down more strongly without possible stripping of the screw heads as you do with common flat/phillips screw heads. The amp controls are hidden underneath a cover and that the wire connections are all on one side. In my application, all this makes for a VERY clean looking install with no visible wires. The amp also has alot of adjustment switches to make it very flexible in terms of connectivity. The low and high pass filters have defined indentations to allow for precise setting of cutoff frequencies...
NexD XD400 Car Amplifier - 75 W RMS - 4 Channel - Class D Features
- XD400/4: 4 Ch. Class D Full-Range Amplifier, 400 W
- NexDTM Switching Technology: NexDTM amplifier technologies produce exceptional audio quality, unsurpassed total efficiency and high power from very compact amplifier designs.
- Advanced Rollback Protection: JL Audio's exclusive Advanced Rollback Protection circuit monitors the amplifier's thermal condition and adjusts amplifier operation to eliminate annoying amplifier shut-down events.
- - NexDTM 80% efficient new ultra fast class D switching power supply - Crossover: 12dB/octave Butterworth with continuously variable cut-off frequency selection from 50-500Hz - Configurable as Low-Pass or High-Pass, Defeatable - Rated Power 14.4V Stereo: 75W RMS x 4 @ 4 Ohms/100W RMS x 4 @ 2 Ohms - Rated Power 14.4V Bridged: 150W RMS x 2 @ 8 Ohms/200W RMS x 2 @ 4 Ohms - Rated Power 12.5V Stereo: 60W RMS x 4 @ 4 Ohms/90W RMS x 2 @ 4 Ohms - Rated Power 12.5V Bridged: 120W RMS x 2 @ 8 Ohms/180W RMS x 2 @ 4 Ohms - THD at Rated Power: 104dB referred to rated power (A-weighted, 20Hz-20kHz noise bandwidth) - S/N Ratio: >84dB referred to 1W (A-weighted, 20Hz-20kHz noise bandwidth) - Frequency Response: 12Hz - 22kHz (+0, -1dB) - Damping Factor: >150 @ 4 Ohms per ch./50Hz - Damping Factor: >75 @ 2 Ohms per ch./50Hz - Input Range: 100mV - 4V RMS - Dimensions: (L x W x H): 8.52in. x 7.09in. x 2.05in. 217mm x 180mm x 52mm - Black coated Aluminium heatsink with brushed Aluminium panel and final-piece badge - 4Ga. Power Terminals with Allen headed grub screw bare wire socket connection - Socket for optional HD-RLC remote level control knob
NexD XD400 Car Amplifier - 75 W RMS - 4 Channel - Class D Description
Description : 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 NexDTM 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 ca...
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