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Crown Audio XLS 402D

900W, 2-Channel Power Amplifier

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Crown Audio XLS 402D

900W, 2-Channel Power Amplifier

$299.00

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Tried-And-True Design

The XLS Series of power amplifiers from Crown represents a new era in affordable, quality power amplification. The line consists of five models in a uniform, rugged chassis, incorporating the best of tried-and-true design principles and innovative features.

Modern power amplifiers are sophisticated pieces of engineering capable of producing extremely high power levels. They must be treated with respect and correctly installed if they are to provide the many years of reliable service for which they were designed.

In addition, XLS Series amplifiers include a number of features which require some explanation before they can be used to their maximum advantage.

General Features:
  • Simple, reliable design incorporates many popular features
  • Housed in a rugged, all-steel 2U chassis (3U in the XLS 5000)
  • Efficient forced-air fans prevent excessive thermal buildup
  • Electronically balanced XLR inputs. Touch-proof binding post and Speakon® outputs
  • Features precision detented level controls, power switch, power LED, and six LEDs which indicate signal, clip, and fault for each channel
  • 1-year Manufacturer's warranty
Minimum Guaranteed Power
per channel, both channels driven
  XLS 202
XLS 402
XLS 602
XLS 802
XLS 5000
1 kHz with 0.5% THD          
Stereo, 2 ohms (per ch.) -- -- -- -- 2,500W**
Stereo, 4 ohms (per ch.) 300W 450W 600W 800W 1,800W*
Stereo, 8 ohms (per ch.) 200W 300W 380W 500W 1,100W*
Bridge-Mono, 8 ohms 600W 900W 1,200W 1,600W 3,600W*
Bridge-Mono, 4 ohms -- -- -- --

*750W for
100V
models
5,000W**

*with 0.1% THD
**with 1% THD

Sensitivity (volts RMS) for full rated power at
4 ohms
1.25
Frequency Response (at 1 watt, 22 Hz - 20 kHz)
+0 dB, –1 dB
Signal to Noise Ratio below rated power (20 Hz to
20 kHz, inputs terminated)
A-weighted, below rated power
No weighting, below rated power
> 100 dB
> 95 dB
Total Harmonic Distortion (THD) at 1 full bandwidth power, from 20 Hz to 1 kHz
< 0.5%
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1, from full rated output to –30 dB
< 0.3%
Damping Factor (8 ohm): 10 Hz to 400 Hz
> 200
Crosstalk (below rated power)
at 1 kHz
at 20 kHz
–75 dB
–50 dB
Input Impedance (nominal) (balanced,
unbalanced)
20 kilohms, 10 kilohms
Load impedance
Stereo
Bridge mono
4-8 ohms
8 ohms
AC Line Voltage and Frequency Configurations Available (± 10%)
120 VAC 60 Hz
100 VAC 50/60 Hz
220 VAC 50 Hz
230-240 VAC 50 Hz
Ventilation
Flow-through ventilation from front to back
Cooling
Internal heat sinks with forced-air cooling
Air Volume Requirements (per minute
per unit)
80.15 ft3 (2.27 m3)
Dimensions: Width, Height, Depth
XLS 202, 402, 602, 802: EIA Standard 19"W (EIA RS-310-B) x 3.5” (8.9 cm) H x15.2" (38.6cm) D.
XLS 5000: EIA Standard 19"W (EIA RS-310-B), 5.25” ( 13.3 cm) H x 15.5” (39.5 cm) D.
Net Weight, Shipping Weight
XLS 202: 23.0 lb (10.4 kg), 28.0 lb (12.7 kg)
XLS 402: 25.7 lb (11.7 kg), 30.7 lb (13.9 kg)
XLS 602: 29.0 lb (13.2 kg), 34.0 lb (15.4 kg)
XLS 802: 35.5 lb (16.1 kg), 40.5 lb (18.4 kg)
XLS 5000: 62.0 lb (27.7 kg), 74.0 lb (33.6 kg)

Power Specifications

Number of Channels
This is the number of channels that the professional amplifier is designed to power.
Continuous Power @ 8 ohm
This is the continuous (RMS) power output of the amplifier at an 8 ohm impedance.
Continuous Power @ 4 ohm
This is the continuous (RMS) power output of the amplifier at an 4 ohm impedance.
Continuous Power @ 2 ohm
This is the continuous (RMS) power output of the amplifier at an 2 ohm impedance.
Continuous Power @ 8 ohm (Bridged)
This is the continuous (RMS) power output of the amplifier at a bridged 8 ohm impedance.
Continuous Power @ 4 ohm (Bridged)
This is the continuous (RMS) power output of the amplifier at a bridged 4 ohm impedance.
Total Continuous Power
This is the total continuous power rating (RMS) that the amplifier is able to output.
Program Power @ 8 ohm
This is the program power output of the amplifier at an 8 ohm impedance.
Program Power @ 4 ohm
This is the program power output of the amplifier at an 8 ohm impedance.
Max Power Output
This is the maximum power output of the amplifier through all of it's channels.
Total Max Power
This is the combined max power output of all the amplifier's channels.

Amplifier Specifications

Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
100 dB
Frequency Response
The range of frequencies the amplifier will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
Input Sensitivity
This is the input sensitivity of the amplifier.
THD (Total Harmonic Distortion)
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
Voltage Gain
This is the voltage gain of the amplifier measured in decibels.
Cooling Options
These are the different cooling systems used in the amplifier to keep it cool.
Inputs
These are the type of input connections that the amplifier has.
Outputs
These are the types of output connections that the amplifier has.

Physical Specifications

Weight (Pounds)
This is the weight of the item in pounds (lbs).
Rackmount Spaces
This is the total number of spaces that the preamplifier will occupy when mounted on a rack.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

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Product Summary

Manufacturer

Model Number

XLS402D

Weight

0.00lbs

Internal SKU

xls402d

Internal Product ID

32397

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Crown Audio XLS 402D