HiFi power amplifier modules, in stereo (IPA-222) or mono (IPA-20, IPA-10) with different output power. HiFi stereo amplifiers, compact amplifiers, or active speaker systems can easily be built with the modules. A 12V DC voltage (max. 18V DC
Sound from the Socket Description of features:A microphone with a 6.3mm plug and a sound source, like e.g. CD player, tuner, etc. with RCA plugs can be connected to the preamplifier PREAMP-1UP and be adjusted separately via the two front controls.