Description: This is a stereo amplifier kit designed to make use of the STA540 power amplifier IC. Once this kit is completed you have a fully functional, two-channel audio amplifier, complete with a standby switch, volume control and indicator LEDs. The kit also includes a 6400BG heatsink for the STA540 to dissipate any damaging heat.
In this kit, the STA540 is configured as a dual bridge amplifier capable of delivering up to 2x 38W (4Ω at 18V). Power supplied to the kit directly powers the STA540 and should be within 8 to 22V.
This kit comes as a bag of parts, you’ll need to solder everything to the PCB. All components are through-hole, so it shouldn’t be too difficult; but this kit is a bit more complex than our other through-hole kits.
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I had this kit together in no time at all. I do have to say I am experienced in electronics, but I still believe that anyone can do this. One thing that could really improve this product is a 3 mm stereo input jack. This would make a nice clean connection for a iPod or for a computer. Now with that said, something really fun you can do with this is pair it up with a Raspberry Pi with Shairport (AirPlay) and you can play music right off your iPhone. VERY COOL. I hooked this up to my Pi and some in ceiling speakers. The idea is you could have a Pi per room in your house and listen to different music in each room. Here is the link on how to setup the Pi with Shairport: http://www.raywenderlich.com/44918/raspberry-pi-airplay-tutorial