TPA3110 Bluetooth Amp Board Review

In this video, I solder up some leads to this TPA3110 Bluetooth amplifier board and give it a listen. The Price, $3 to $6 ea. at the time of this video makes this a compelling choice for any small Bluetooth project you may have in mind.
This same basic board is sold on several websites in varying forms; mine was purchased from Banggood.
Aliexpress: 5V Bluetooth TPA3110 Digital Power Amplifier Board Stereo Class D Power Amplifier Board Bluetooth 4.2 Power Amplifier Board 15W|Integrated Circuits| - AliExpress
Expect these links to go bad after awhile. Search for TPA3110 when that happens.

[zetaminor]

Thanks for the video! By just the appearance, I seem to have the exact same amp. I was wondering where to connect the speakers and my battery and you showed me where in your video 😄

[theoloniousfunk]

Awesome. Glad to see you are putting out more content. Apparently YouTube didn't feel the need to notify me when you put out your previous 2 videos so I guess I get to catch up at lunch tomorrow. Thanks again for taking the time to produce and post.

[cobaltpica]

i ran mine initially through a 12vdc 500mAh regulated wall wart. Sounds okie. Then i switched up to a 18vdc 1A wall wart. The soundstage opened up and the midbass is no longer lumpy. Finally i hooked it up to a Studer 900 24v Linear Power Supply and my jaws just dropped on the floor.

[katiekumcgil]

the key pins are so you can add buttons and resistors to enable /on, off/play, pause/next, previous, i think pause is 51k to ground, next is 33k to v+, -previos is 9.1 k to v= and 0R to ground, ,i will make all the proper calculations this weekend and get back to you with the circuit diagram all corect values, will do mute button as well and also a aux line out, which comes in handy cheers KT

[SarahKchannel]

The function of those 'SW' pads etc depends on which bluethooth module you have installed. Mine has weirdly a FM tuner built-in that gets activated with the switch and some button combo....

Also I had to put a cap over the +/- pins of the bluetooth module itself, or any volume position above 50% would lead to a reset of the device. The internal voltage regulator circuit on the PCB seems a bit weak, when the speaker kicks-in the voltage drops momentarily enough to make bluetooth reset. Tried bigger PSU, Cap on the amp board, but then only a cap over the power rail of the Bluetooth module solved it.

But in general a neat board. Wish there was mode docu, like how to reflash the firmware with custom device name etc.

[BrianThomas]

Great 👍🏾 video. So many videos like this and folks just are saying anything during the video. You're walking through almost everything, which is fantastic.

Question: what if I wanted to connect this to a battery pack? How many batteries would you suggest?

[atakanyldz]

Great informative video that answers all my questions. Thank you and keep up the good work.

[jansteen]

Can I connect only one speaker instof two or will this damage the amplifier? 2:18

[katiekumcgil]

Please wait for me to double check and test values for this weekend thanks

[fabianghitoiu]

good evening, what charger works with 12 volts and how many amperes for this module?

[christianjebulan]

Hi, evening, I got the 30w version of this and I was just wondering what does the KEY do? And any chance on the SW to do it's purpose, like switch off and on?😅

[BouazzaAmeur]

great job thanks
this device turns off when voulme is up, it disconnects bluetooth conection, is there any answer about this?

[williamfraser]

Thanks for the video. I bought a similar unit after seeing this video. I have tested it on various drivers and it really shines on my hifi speakers. Just a question: what effect does input voltage have on performance and efficiency?

[uncellcare]

Sir please create new video bcz I have 15 watt 8 ohm speakers so tell me about how to create bluetooth speaker like mine

[WW-jzzd]

Grat video. I have one of these boards. Do you know if there is a way to connect external Aux input to this board? Wondering if its the L-R-Gnd pins under the bluetooth module connector.

[stopthephilosophicalzombie]

What was the project you were thinking of using it for? A toy?

[caljazz]

boa noite, ótimo vídeo, excelente música...

[iftekharhasanrezvee]

Bluetooth paired beep is best but power on tone is disgusted, it also should be beep

[davitbarbakadze]

В реальности 15ват не возможно получить

[RobertDickens]

You're making the #1 mistake the way you solder you don't put solder to the iron.