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Instructions:
1. Input DC voltage: DC4.5V-26V (24V is recommended)
2. Connect the DC voltage supply (positive pole to VCC, negative pole to GND).
3. Audio input, 3.5 mm audio port input, or right channel to IN-R, left channel to IN-L, and ground wire to GND.
4. Output R+R- and L+L- .
Product Features:
Dual channel
Magnification: Class D
Launched by Tl Working frequency 1.2kHz
Stereo: Yes, dual channel
Input reverse connection protection: Yes
Overvoltage/low pressure protection: Yes
Appearance size: 78×51.5×22.5mm (3.07×2.03×0.89inch)
Package contains:
2 pcs TPA3116D2 Class D Stereo
Keith M
Reviewed in the United States on November 3, 2024
I first tried a Class AB TDA2050 module, which worked, but my project needs a 12V battery system. At 12V, the TDA2050 struggled with distortion past 75% volume, which might not be an issue at 24V, where Class AB could perform better. However, Class D is much more efficient, delivering clearer, louder sound at full volume. This module also has significantly less hum than the TDA2050 and includes a 3.5mm jack, which is perfect for my setup.The build quality is solid, with labeled inputs on the bottom and a power LED. It uses generic Chenxing(?) capacitors, and the volume knob clicks off, drawing no power in the off position. At idle, it pulls around 60mA. There’s a slight hiss, likely due to my setup, but overall, it’s an excellent, well-designed module—highly recommended!
Maximillian
Reviewed in the United States on January 17, 2024
Hooked up everything, checked and re-checked to make sure. Used a bench supply and known good source and speaker. Tried to increase supply voltage. Doesn't work. Makes a faint noise but doesn't output audio regardless of volume setting.
Douglas A.
Reviewed in the United States on December 24, 2023
Created my own Halloween scream and used this to amplify sound and works perfectly.
Felipe
Reviewed in the United States on November 8, 2023
They sound good is u pair them with the right speaker and if u want more bass u can always use a crossover the quality is good exept I would like plugs instead of those thing u screwed that it comes with but overall good purchase and u get 2 ☆ they look great.
hunt16
Reviewed in the United States on September 11, 2022
I buy these repeatedly because they are nice. I use laptop power supplies (about 18VDC) to power them. Sound great and very reliable I even have used them outdoors!
jw
Reviewed in the United States on April 26, 2022
Pros: So far I've tested two of the four amplifiers purchased and good so far The included heatsink is really too small to be practical for maximum wattage. I'm using much larger heatsinks for my project. Project box is well ventilated too. My power supply is a 19.5Vdc 6.6A laptop module and the amplifier delivers up to 34 Watts rms per channel @ 8 ohms. Sub sonic frequencies good down to 10 Hz or less. Efficiency is good as expected for a class D amplifier. My project is for a simple, low power bass shaker system.Cons: Must have good electrical hobbyist skills. Provided heatsink is very small - maybe ok if only expecting 10 watts rms per channel (say with a 12Vdc power supply). No volume knob and mounting hardware included. Use this with 8 to 16 ohm loads as 4 ohm may overheat the amp.
Patrick D. Dinsmore
Reviewed in the United States on June 3, 2021
I have used this amp board to make several battery powered amps that I use for guitars and harmonicas. I pair them with a PT2399 reverb board and they sound fantastic. One guy is owns a recording studio in town and used one of these amps to record with. He said it sounded as good or better than $1000 amps in his studio. The only criticism I have is that several of the amps have comp with parts broken, especially the large capacitors on the board. They stuff the amp into a plastic envelope that is definitely too small and it has damaged at least 3 modules that I have bought. Return and replacement was easy, however.
Alexander
Reviewed in the United States on May 26, 2021
Very impressed with the sound and look of this pcb. Great sound quality, good components, and great value for the price you are paying. 👍👍
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