Hosyond Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Wireless Speakers

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I am an avid audio addict. I have a massive collection of audio gear from high end vintage stuff like luxman, b&k, marantz, hk and many more as well as 20+ pairs of great speakers, mostly vintage "Heritage" Klipsch. I bought one of these on a whim because I wanted to out some speakers and small subwoofer I to one of my old cars but I wanted to keep the factory stereo head unit in it for the look and hide a small Bluetooth, 12v amp in the glove box. I hooked this up to 2 blaupunkt 6x9's and a 6.5 inch Boston subwoofer and holy crap it sounds fantastic! I have several vintage vehicles and I will be ordering 10 more of these to keep for future conversions. It punches way above its weight class, sounds clean, and clear. I highly recommend!

This is one of the best 2.1 channel amp. I had oneplus q2 pro 65 inch tv and the tv stopped working after a year but the tv had best sound system ever,i never saw a tv with such sound system. So basically i wanted to reuse that sound system with my new lg c4 so i took out the speakers subwoofer and the tweeters from oneplus tv but the sound system was passive and needed an external amp to drive them. I ordered couple of amps before but they were giving good sound quality. Finally i ordered this amp with seperate channel for subwoofer and it works amazing. For now I’m using it via Bluetooth and the sound quality + bass levels from subwoofer are 8.5/10. I imagine how good the quality will be via wired connection,so i have ordered DAC,digital optical audio cable,aux and i know it will sound much better via wired connection. I have checked all the 2.1 amps on amazon some good brands are above 8k and the ones under 8k aren’t good. Don’t judge this amp considering its cheap price,just buy right away. Only thing i am concerned about is its logetivity since it has no warranty. Rest i can assure you that its the best amp.

Design quality is surprisingly decent. It is not fully enclosed and the sides of the box are open just like the pictures, but the PCB, solder quality, silk screen, etc are all pretty good. Components are obviously not name-brand, but off-brand resistors/capacitors/etc are OK now days it seems like (not sure about long-life though). Bluetooth connection range is OK, reaches through 2 walls in a house at least, but there was a random clicking noise in the bluetooth audio mode even when up close. That's fine for me since I'll be using the 3.5mm jack which doesn't seem to have any audio distortion that my ears can pick up. But I'd be cautions buying this if you plan to use it and use the bluetooth. Power output seems sufficient. They always lie about the "max output" on pretty much all audio equipment, but the same is true for speaker input wattage. I'm running this with about "2x40w rms" car speakers on each channel, 4 total speakers, and it is more than loud enough without clipping, powered through a 20a relay the car battery 13.5v source.

EXCELLENT PRODUCT. IT CHANGE THE QUALITY OF SOUND... :-)