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TDA7492 Digital Audio Amplifier Board 2x50W

Brand:| Model: TDA7492
Overview
This class D amplifier board produces immense power in a condensed space.
Highlights
  • 2 x 50 watt @ 8 Ohms
  • Mono BTL power 100 watt @ 4 Ohms
  • Phoenix connectors for easy speaker hook up
  • 12" stereo wiring harness included
  • Short-circuit and over-temperature protection
  • STMicroelectronics TDA7492 chip is priced low but has big power
  • Four model GAIN parts can auto work on different voltages
Part # 
320-606
Weight: 0.1433 lbs.  
IN STOCK
List Price$24.99
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Your Price
$16.50
Buy 10-up$14.85
Part # 320-606
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Product Details

TDA7492 Digital Audio Amplifier Board 2x50W

Originally designed for high-end televisions, this tiny amp board delivers 50 watts into two channels, or an impressive 100 watts into a single channel. Use this class D amplifier in DIY projects where high power is needed in a limited space.

The board includes a massive heat sink, and three dual-terminal phoenix connectors for easy termination of speaker lines. Included in the box is a 12" stereo input lead, making hook up a breeze. Depending on the voltage powering the unit, you will need 1A to 4A of current.

Note: When the speaker impedance is 4 ohms, the operating voltage must be less than 18V. When the speaker impedance is 6 ohms, the operating voltage can not exceed 24V. When the speaker impedance is 8 ohms, the working voltage can not exceed 26V.

Specifications: Power handling: 2 x 50 watts @ 8 Ohms, 1 x 100 watts @ 4 Ohms • Minimum impedance: 4 Ohms • THD: 0.1% @ 8 Ohms @ 1 watt • Recommended power supply: 10V - 26V • Requires 1A - 4A • Stereo wiring harness included • Dimensions: 2-3/4" L x 2-5/16" W x 7/8" H.



Product Specifications
  • Special FeaturesBoard Only Module
TDA7492 Digital Audio Amplifier Board 2x50W
  • BrandParts Express
  • ModelTDA7492
  • Part Number320-606
  • UPC848864016580
  • Product CategoryHome Audio Amplifiers
  • Unit of MeasureEA
  • Product Rating
    (4 Reviews)
  • Weight0.1433 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

TDA7492 Digital Audio Amplifier Board 2x50W
TDA7492 Digital Audio Amplifier Board 2x50W is rated 4.0 out of 5 by 4.
Rated 4 out of 5 by from Nice Little Amp, more like 35W/channel into 8ohmsI was surprised at how small this amp is. That said, it is not able to deliver 50W/channel into 8ohm. Figured I would offer a bit more info for others looking at this amp:35W/channel into 8ohm from a 24V supply.47W/channel into 6ohm from a 24V supply.50W/channel into 4ohm from a 20V supply.If driving into 4ohm loads, make sure to use a supply voltage under 20V!The output filter is optimized for 6ohm loads.Gain is set to 33.6dB.Inputs are single-ended, not differential as shown in the schematic. Make sure your source ground/return is good.Check the heatsink screws: I received 2 of these, first one was over-torqued, bowing the PCB, Second was uneven with the heatsink tilted and barely touching the chip. Easy enough to correct. Put some thermal grease in there if you have it.While not quite as advertised, this is not a bad little amp.
Date published: 2014-07-21
Rated 3 out of 5 by from could be goodused with a 12V 2A supply, audio starts distorting much sooner than i would have thought. not getting anywhere near 25W before low end starts getting clipped. just ordered a 12V 5A supply, hopefully will provide enough power to prevent distortion.
Date published: 2014-07-05
Rated 4 out of 5 by from Great valueGreat little power amp.! Be careful with P.S. do not over power it . I blew one on 40volts I bought another . My mistake.
Date published: 2014-07-02
Rated 5 out of 5 by from awesome! Really powerful.These deceivingly small boards have become my go to boards for a wide-wide range of pro audio situations and products. They rock! And are extreamly flexable power supply wise.most of the time I use the parts express smps 120-055 24 volt but, they work just fine off of theyre 12 volt 5000ma smps as well. Great desighn all the way around.
Date published: 2014-06-06

Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
TDA7492 Digital Audio Amplifier Board 2x50W

I'm wondering what the limitation is for running into 4ohms at 24 volts. I picked up a great 24 switching supply (https://www.parts-express.com/24-vdc-5a-switching-power-supply-with-25-x-55mm-plug--120-055) from Parts Express. Would be nice to use it, but

Asked by:

I want to replace a dta-2 with this amp.  Can I use the volume potentiometer from the dta-2 with this amp?

Asked by: cmro327
The volume control for the DTA-2 is wired specifically for that module and is not recommended for any other amplifier boards.
Answered by: MattP
Date published: 2014-09-23

Do you know the size of the mounting holes?

Asked by: cspurr969
The mounting holes on this amplifier are 1/8" in diameter.
Answered by: MattP
Date published: 2014-09-23

Would it be possible to secure these inside a car audio subwoofer enclosure and use the car's electrical to power the amp? I know nothing about electronics, forgive me if this is a silly question

Asked by: Tyler J
Yes this can be powered with 12 volts, but you will need a switch in line in order to turn the amplifier off when the vehicle is off.
Answered by: MattP
Date published: 2014-09-18

My amplifier seems to be bridging the inputs. Is there a way to make it not bridge? I would like to be able to adjust the level for each channel individually, if that's possible.

Asked by: Nickname14
Please contact our tech support for more help with this question, tech@parts-express.com or 800-338-0531 x1.
Answered by: MattP
Date published: 2014-08-25

Hi, I was wondering if it's possible (and if it's necessary) to connect potentiometers so i could adjust bass/treble/mid? Thanks 

Asked by: Dackie
Unfortunately you will need a preamp with tone controls in order to add bass and treble to this amplifier.
Answered by: MattP
Date published: 2014-08-20

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