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How to select the audio input mode
This amplifier board has two input modes: Bluetooth and AUX.
When both modes input audio signals at the same time, the amplifier board will give priority to the Bluetooth mode;
If you need to use the AUX mode, please make sure that the Bluetooth connection is disconnected.
lt is recommended to use a power supply of 12-24V, 5A or more, and the speaker power is 50-100W for the best effect!
The Treble & Bass Are Independently Controlled
It gives you more sound effects options and allows you to create your own small cinema with 6.5-8.5-inch speakers, giving you a great value experience.
TPA3116 D2 Is A Class D Power Amplifier IC
Launched by TI, with very high index parameters. The highest modulation frequency can reach 1.2MHZ, and the high-power output distortion is less than 0.1%
36*25*10MM Large Heat Sink
The extra-large heat sink can release heat quickly, allowing the chip to output high power and stably.
Warm Reminder:
The power switch on the board is a standby switch. After the switch is turned off, the machine is in a low-power standby state. To completely turn off the power or unplug it for a long time, you can unplug the DC plug on the machine. Properly increasing the voltage or reducing the speaker impedance can effectively increase the output power.
Packing Include:
- ZK-1002T Power Amplifier Board * 1
- Protective Shell * 1 Set
- Screwdriver * 1
- Knob * 3
Jose
Reviewed in the United States on May 9, 2025
Wonderful amp. I've bought 2 now both have worked well in my Apache boom boxes I've built!
Karyn
Reviewed in the United States on May 7, 2025
Right channel gave out in under a month
Universal Tech Solutions
Reviewed in the United States on May 12, 2025
This is so small, slightly wider than a deck of cards at about the same height and this is why I was so impressed with the sound output. It outputs high quality sound depending on volume level. The unit is in an anodized aluminum case. All of the useable parts are easily accessible. I was able to get full power to the board and it rewards you with full output power. This unit is bridgeable. Some are, some aren't. It also offers Bluetooth along with a 3.5mm input jack.The amount of sound that comes out of this tiny little box is incredible. With a 24v 10A PSU I was able to bridge it and get full output from each impedance I tried 2Ω 4Ω and 8Ω. The 2Ω monobridge put out the most power but also had the most harmonic distortion. @ 200 Watts it was 1% which is not useable at all even for a subwoofer. But it was nice to know that it could do it and not overheat or clip. 4Ω stereo is where this shines. You get a good 50 watts x 2 at around .5% THD. This means that at about 2/3 volume (Roughly 30 watts) it is crisp, clear and loud.All this said, these amps are great for projects.. Or maybe you just want to power a pair of speakers in the garage while you work. Either way, this fits the bill.These are as inexpensive as they are small and are fantastic value for money. The fact that this unit could bridge blew me away. The chip has the capacity but not all builds can do it. Running these, testing these and reviewing them has been a high point in my life recently.
Luis F Marin
Reviewed in the United States on March 6, 2025
Works amazing I connected a kicker 12 and supremely I work good
Jacob O.
Reviewed in the United States on March 5, 2025
No idea why but cannot find it on Bluetooth. Is there a way to put it in pairing mode I'm missing? Have read everything I can find and no luck.
Chris
Reviewed in the United States on March 26, 2025
Amazing little amp. Easy to use and sounds great!
BJ Worley
Reviewed in the United States on September 7, 2024
Works great so far no issues!
James Lummel
Reviewed in the United States on December 2, 2024
I selected this for use with a set of Pyle Pro indoor/outdoor speakers, utilizing a 19.5V/9.23A laptop power supply that had the correct power plug to work (ASIN: B0DKGJX6Y), and it has been performing exceptionally well. I use the AUX input rather than Bluetooth as this setup is intended to play an audio feed from another room, providing audio reinforcement for the main karaoke system. It delivers sufficient volume for the space and produces excellent sound quality.Overall, I am pleased with its performance. I appreciate the inclusion of bass and treble controls which allow for precise sound adjustments to better complement the connected speakers.
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