Review on 🔊 Enhance Your DIY Wireless Speaker: Icstation Bluetooth Receiver Board with High Power Stereo Amplifier by Rick Alexander

Includes images for 2 separate projects using the same components. The first project used a 2500mAh battery. The second attempt used a cored 3xAAA battery case with a 1500mAh battery to make it smaller and better fit in a sleep mask. They only provided 1 battery connector and 1 JST connector (the product image is misleading) so you had to solder or buy another JST connector, which may delay your project if you don't have spare JST connectors. Update: I bought the 2nd unit and it comes with 3 cables as shown in the product image. This board uses audio signals for BT connection. No crappy English prompts. I ended up unsoldering all the JST connectors and replacing the capacitor with a new one lying on its side. I wanted to be as unobtrusive as possible. I want the capacitor to be put on its side to start with. Even better would be a pure SMD version with solder through holes to make it as flat as possible. This board was already low profile, but I wanted it to be thinner. Update: Absolutely thin what may be is about 9mm-10mm (total height of both sides) with the new capacitor lying on the side. The only thing that gets hot on the board is the LED. The super bright blue flashing LED is very annoying. When paired at idle or at maximum volume, it barely heats up and maintains that temperature indefinitely, which is enough for a portable device. We'll see the durability as I plan to use it daily. Don't try to reuse flimsy 32 gauge headphone wire with it. It gets hot from the resistance. Use 22 gauge or heavier wire. If your board gets hot, it's user error. I found that out from my own experience. I had absolutely no connection issues or hum. Unlike other Bluetooth modules, this one does not produce any noise or buzzing, it has excellent sound quality. The only thing I don't like about this board is that when paired, it automatically starts playing music on my phone without prompting me. It doesn't even open the Music app. The music just comes out of nowhere. I have no idea how they do it or why. That's a bit confusing. The DWCT14+ is ideal for Bluetooth headphone projects. The Adafruit 328 battery (2500 mAh) and Adafruit 259 charging board work great with the DWCT14+. They stayed cold throughout the process. Very impressed with the Adafruit components. I used 32 ohm 0.25 watt speakers. Yes, they are quite noisy. You don't need 8 ohm 2 watt speakers in your ears. ;) For a bluetooth headphone project, this is all you need to DIY a 40 hour bluetooth headphone.