Review on 🔊 Arylic WiFi & Bluetooth 5.0 Home Audio Amplifier - Up2stream Amp V4: 50+50W 21V DC/2.0 Stereo Channel & Mono, Multizone Streaming Board with Airplay, Spotify Connect for DIY Speakers by Dave Cavazos

I've been messing around with DIY mini bluetooth speaker amps for years and this is the best. Bluetooth has a terrible range on most modules, so it's nice to have Wi-Fi using this module. You can also use this module to make phone calls while music is playing in the speaker. You can listen to Youtube audio through the phone speaker while streaming Spotify/Pandora through the module speaker. The application also allows you to adjust the equalizer and set each speaker to L, R or stereo (L/R). I'm very impressed right now and will let you know in a month or two. Update: I've had the amp for over a month now and I still love it. Fun fact: as long as the module is connected to your home WiFi, you can control it from ANYWHERE. I turned on the module while I was at work 35 miles from home! Also, multiple people can control the music if they have the 4Stream app. My wife and son don't use Spotify but can stream my Spotify account to the amp through the app. Pretty cool mod lil, I'll be buying another one soon!