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Technical Pro DA-B4000

4000W, Professional Class D Digital Amplifier with Blue LED Meter

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This item has been discontinued

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Product Features:
  • Elite Class D Digital Amplifier with Digital Circuitry Technology
  • RMS Power Rating:
    • 4 ohms: 660 watts
    • 8 ohms: 350 watts
  • Max power output: 4000 watts
  • Digital Circuitry Technology keeps amplifier cool while providing amazing sound reproduction
  • Balanced XLR Inputs and outputs with RCA Adapters
  • Iridescent blue LED Signal and clip indicator lights to monitor performance
  • "CAF" (Complete Air Flow) ventilation system includes an air filter with an automatic variable speed fan
  • High-quality components for a long life and quality performance
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
Product Specifications:
  • Frequency response: 20 - 20,000Hz
  • Damping factor: >300 @ 8 ohm
  • Signal-to-noise ratio: 100 dB
  • Total harmonic distortion: <0.01%
  • Input impedance: 20 kohm balanced/10 kohm unbalanced
  • Gain: 34 dB
  • Dimensions: 10-1/2"D x 19"W x 3-1/2"H

Power Specifications

Number of Channels
This is the number of channels that the professional amplifier is designed to power.
2 Channels
Continuous Power @ 8 ohm
This is the continuous (RMS) power output of the amplifier at an 8 ohm impedance.
350 watts x 2 channels
Continuous Power @ 4 ohm
This is the continuous (RMS) power output of the amplifier at an 4 ohm impedance.
660 watts x 2 channels
Continuous Power @ 8 ohm (Bridged)
This is the continuous (RMS) power output of the amplifier at a bridged 8 ohm impedance.
1320 watts x 1 channels
Total Continuous Power
This is the total continuous power rating (RMS) that the amplifier is able to output.
1320 watts

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.

D
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).
20 - 20000 Hz
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.
0.01%
Voltage Gain
This is the voltage gain of the amplifier measured in decibels.
34 dB
Cooling Options
These are the different cooling systems used in the amplifier to keep it cool.
Cooling Fan
Inputs
These are the type of input connections that the amplifier has.
RCA
XLR
Outputs
These are the types of output connections that the amplifier has.
XLR

Physical Specifications

Height
The height of the item, measured from top to bottom, in inches.
3-1/2"
Width
The width of the item from left to right (side-to-side) measured in inches.
19"
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
10-1/2"
Weight (Pounds)
This is the weight of the item in pounds (lbs).
18 lbs
Rackmount Spaces
This is the total number of spaces that the preamplifier will occupy when mounted on a rack.
2U

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

DA-B4000

UPC

859789004897

Weight

18.00lbs

Internal SKU

dab4000

Internal Product ID

21293

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: Technical Pro DA-B4000