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6x100W TDA7498 Class-D Amplifier Board

Brand:| Model: AA-AB34181
Product Video
Overview
This amplifier board uses three Class-D TDA7498s to generate up to 100W x 6-channels, making it the perfect 5.1 amplifier solution.
Highlights
  • 6 x 100W Class-D amplifier
  • Small footprint for space limited applications
  • Perfect amplifier board for DIY 5.1 amplification
  • Built-in cooling fan and over-temp protection circuit
  • 14 to 39 VDC power supply required
Part # 
320-307
Weight: 1.35 lbs.  
IN STOCK
List Price$69.99
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$59.90
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Part # 320-307
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Product Details

6x100W TDA7498 Class-D Amplifier Board

Build your own high-power 5.1 amplifier with this 6-channel amplifier board. Three Class-D TDA7498s are used for extreme efficiency. The small 3.6" wide by 4.8" long footprint allows this amplifier board to be used in many applications were size constraints limit the use of conventional amplifiers. Additionally, separate inputs and outputs make this amplifier board perfect for tri-amplifier use. Just add a 14 to 39 VDC power supply (or an AC voltage source with the addition of this rectifier board), signal source, and speakers!

A low noise cooling fan is mounted atop the robust heatsink to maximize heat dissipation. Thermal, over/under voltage, and current protection circuits are also included to extend the longevity of the amplifier board. Four fixed gain settings are available to allow for volume control at the source, and dual stereo RCA line-level inputs are pre-attached. Mounting holes are provided as is a 2.1 mm x 5.5 mm power jack for quick connection. Screw-down phoenix-type terminals are included for quick speaker wire connection.

Features:
• Three Class-D TDA7498 amplifier ICs
• Heatsink with attached fan
• Pre-drilled mounting holes
• Over-temperature, over/under voltage, and over current protection circuits
• Phoenix-type speaker terminals
• Six line-level RCA inputs

Specifications:
• Power output (w/ 36 VDC power supply): 100W x 6 (6 ohms, THD 10%), 80W x 6 (8 ohms, THD 10%), 78W x 6 (6 ohms, THD 1%)
• Frequency response: 22 to 22,000 Hz
• Minimum impedance: 4 ohms
• Recommended power supply: 14 to 39 VDC, 18A regulated
• Fixed gain settings: 25.6 dB, 31.6 dB, 35.1 dB, 37.6 dB
• Power input jack: 2.1 x 5.5 mm, center-positive
• Dimensions: 6" L x 4.5" W x 1.4" H



6x100W TDA7498 Class-D Amplifier Board
  • BrandParts Express
  • ModelAA-AB34181
  • Part Number320-307
  • UPC844632096716
  • Product CategoryAudio Amplifier Boards & Modules
  • Unit of MeasureEA
  • Product Rating
    (7 Reviews)
  • Weight1.35 lbs.
  • California Prop 65

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

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Reviews

6x100W TDA7498 Class-D Amplifier Board
6x100W TDA7498 Class-D Amplifier Board is rated 4.1429 out of 5 by 7.
Rated 5 out of 5 by from HD FM Radio, CD, memory stick playerIt performs very well. IR remote controlled volume controls would be an excellent addition to the unit to add more versatility for volume control to multiple channels for adaptability to surround sound.
Date published: 2014-12-08
Rated 4 out of 5 by from BOOM!I made a 6 channel active Xover boombox with this amp. I used compact 8 in DVC Dayton sub with two of the channels (they don't sell just the driver anymore, but search part# 300-490 and already has a nice box and looks the same :). The other channels power Tang Band mids and tweets (the kind will grills built in). I used a 10in Dayton passive radiator (also discontinued) and an auto 3-Way Clarion crossover. I added a Rolls mini mixer for Mic/Volume duties. I used a high capacity rechargeable 12V battery with a voltage-stepper up to ~35 V so I could get about 200W from the amp+battery or power supply. I did it this way so that I could power the 12V components with the same battery. It is easily the loudest and best sounding battery boombox I can Imagine. Unfortunately, it cuts out at high-ish volume and certainly no where near 600 watts. I don't know if it is the amp or some other issue, but seems to be the amp based on other comments. Still, it works and sounds great, but doesn't seem to offer the power advertized.
Date published: 2014-05-09
Rated 5 out of 5 by from Great amp !Picked up this amp to power a boom box project. I am only using 5 out of 6 channels to power an active setup. I am using an active crossover to derive a stereo two way with single subwoofer. So far I am pleased with the soundThis little amp easily powers the tang band 5 1/4 neo subwoofer, two 4 inch Dayton mid woofer and two vifa textile 1 inch dome tweeter. It is running at 30 volts with a DC boost converter from 12 volt battery bank. As it is only powering small speakers it is running very cool to the touch so I have removed the fan from the heatsink. I played it for several hours with some punishing bass and it remains nice and cool so I will leave the fan off for my application. I imagine if you are running this amp with all channels fully driven it will heat up but for me it is not under serious load. I tested the amp powered from 12 volts and it still has a good solid sound but I recommend a good amount of current at lower voltages. This is a very flexible amp with good channel options. It is very well made with the look and feel of a quality motherboard. The sound quality is pleasing and I can't wait to find more applications to use this multi channel amp for. I am installing some outdoor speakers this year and I may have found my amp solution for that too.
Date published: 2014-03-05
Rated 4 out of 5 by from so far so goodI havent run all 6 channels yet but everything seems to be pumping out pretty good at 8 ohms. Info on these units is spread all over the place, and I've many questions.I'm trying to avoid damaging surges. If I put a power switch on the AC input am I safe in most situations ? Will this help if I remember to turn it on/off ?If I'm not using a channel is it safe to run with :1) no input2) no output3)neitherIs there an adviseable way to hack the power DIPswitch- i.e. a 3 way panel/mount switch that can toggle between on/off/mute(standby) ?I've front-mounted my RCA inputs for various reasons, and now I'm afraid someone will yank one out. This will probably cause an ugly surge. I will either:a)lock the RCA's down somehow.b) think of a way to make a buffer so I can hot-swap inputs on this amp(or switch to a 'mute' status to cut output spike ?)
Date published: 2014-01-22
Rated 5 out of 5 by from excellent valueI've used the Sure Electronics amps for a lot of projects and they have proved both durable and powerful. In one project I needed to deliver a 0.5Hz sine wave at 90W, and it did the job. It is important to note that these things are VERY sensitive to impedance: at 4 ohms with a properly rated power supply they deliver full 100W RMS per channel (sine wave). At 8 ohms, around 55W, and something peculiar: at 6ohm only about 35W. So watch your impedance, feed it plenty of juice and enjoy the incredible savings.
Date published: 2013-10-31
Rated 1 out of 5 by from Don't Expect To Turn The Volume UpThis board sounds good on paper. However, I'm experiencing the same problems documented by others and will be returning the board if I can't get this resolved.When you turn the amp. up to about 3/4 max volume, the sound starts to cut in and out. This is not the same as a normal amp that will start to slowly distort. This is an over current circuit kicking in cutting the sound off and on. I'm using the 36 volt Meanwell PS and am sure it's not a PS problem.So don't expect to be able to fully utilize the full power of this amp out of the box.The solution I'm told is to modify the output filter. I need to do some more research on what needs to be done.
Date published: 2013-08-20

Product Q&A

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6x100W TDA7498 Class-D Amplifier Board

Do RCA cables come with the board

Asked by: Blauvster
This board does not include RCA cables.
Answered by: MattP
Date published: 2014-12-10

im looking at using this to power 6 aura transducers (AST-2B-4) to use with a sim racing setup should this work, and i cant seem to find a power supply any idea's

Asked by: serrasalmuss

I intend to use the 6x100W TDA7498 Class-D Amplifier Board with my home theater set up. i use a powered subwoofer. i am new to this stuff and was wondering where i would connect my powered subwoofer to on this board? 

Asked by: Andrew_646
The powered subwoofer will not be plugged into this amplifier. You will have to use a separate preamp, or receiver with surround preamp outputs in order to use an amplifier like this. The preamp or receiver will have a dedicated subwoofer output which the sub will plug into.
Answered by: MattP
Date published: 2014-11-28

Hi there. Can you tell me what max current output is pr channel on 6x100W TDA7498 when it is internal bridge ?  How can it be that the amp delivers more power at 8 ohm, than 6 ohm but much more at 4 ohm ? Should´n the 6 ohm power be higher than 8 ohm ?

Asked by: Bastiant
Unfortunately this amplifier is not bridgeable.
Answered by: MattP
Date published: 2014-07-20

Is the fan intended to running continuously on these boards?  

Asked by: Neubie
Yes the fans are always on with these boards.
Answered by: MattP
Date published: 2014-01-27

power supply ?

I know that this amplifier uses 14v to39v at 18 amps but Is it possible to power this amplifier with 24 AA battery's that are rated at 2.7 amps each and at 1.2v ? would that equal to 36v at 64.8 amps? Would that work if so how long would it last ?
Asked by: mdfreeze
That would be 36v but still only 2.7 amps. Wiring batteries in series only adds voltage, not current.
Answered by: MattP
Date published: 2014-11-28

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