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This is an audio power amplifier board that enhances low-power, inaudible electronic audio signals, such as those from radio receivers or
electric guitar pickups, enough to drive speakers or headphones. The power amplifier allows the listener to hear the signal.
It contains a TPA3118 power amplifier chip, the design optimizes the circuit layout, the sound quality is very good, and the power is large.
With this module, the sound quality is very good.
Mono digital audio power amplifier chip.
High output and low power consumption.
Applicable speaker impedance: 4-8 ohms (8 ohms is the best).
Package including:
2pcs x Power amplifier board module
Module performance and features:
-PBTL single channel 60W digital power amplifier board
-Power amplifier chip: TPA3118
-Amplifier power: 1*60W (one channel, two stereo sound is required)
-Power supply voltage: 8~24VDC
-Overall over temperature protection
-Module size: 46mm * 35mm (length*width)
-Weight: 17g
Mike Woods
Reviewed in the United States on April 11, 2025
So far, so good. Confirmed 32-pin TPA3118 chip. A quick breadboard test showed quiet operation and clear amplification. I will be using these to build discrete power amps into guitar cabinets (using with Line 6 Helix - 1/4" outs set to Line Level). Sounds great so far!
Derek
Reviewed in Canada on November 9, 2024
This tiny Amplifier is Absolutely Amazing. Using a 20 Watt rechargeable drill battery for a power supply works great, using one JVC speaker and a Bluetooth receiver plugged into the auxiliary in and WOW... I use it at work, it's an absolute head turner... At times it is actually too loud, this little sucker "pounds" the low end speaker, while covering the other ranges just fine. I was surprised to say the least as there was no heat radiating from amp whatsoever, it's also very easy on the battery.
Robert Edison
Reviewed in Canada on October 23, 2024
One defective from 2.
SomeGuyWithManyHobbies
Reviewed in the United States on January 13, 2024
I am designing a 30W guitar amp and needed to know what signal level is needed from the pre-amp to generate full power from this board. This review is based on what I discovered on the test bench using a signal generator (sine wave at 1kHz) and an oscilloscope. I have not connected this power amp board to a speaker - yet.Power supply - 24V, 4AVoltage gain of this board is about 32dB (Av ~ 40), so 0.4Vrms is all that is needed to drive 30W into an 8-ohm load. That same input will push 60W into 4-ohms. At rated output power, the output wave looked clean when compared to the input. I did increase the input level to the point where the output started to clip - limited by the power supply voltage. This happened somewhere around 33-34 watts into 8-ohms.Make sure that your power supply is up to the task in both voltage and current capability. 60W into 4-ohms needs a 24V supply that can put out almost 4A. 30W into 8-ohms needs the same voltage but 1/2 the current. Anything less in voltage or current capability of your power supply will limit the power output of this board.You would be surprised just how loud 30W can be.
Messianic student
Reviewed in the United Kingdom on February 28, 2021
Easy to use
Randall
Reviewed in the United States on March 14, 2020
Good amp working at 12 volts. Plenty loud enough for a practice guitar amp.
Cigar Box Guitar John
Reviewed in the United States on October 16, 2020
Solid class D amp with plenty of oomph.These run great from 12V-24V, with little to no noise. Through holes are large, great for bigger wires. Even at consistent high power, these barely get warm.
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