The TDA 8560 is an integrated CLASS-B amplifier. It includes 2 x 40 W/2 &Omega amplifiers with BTL configuration (bridged type load) and diagnostic facility (distortion, short circuit and temperature detection). Requires very few external components. 4 and 2 &Omega impedance. Operating mode (on, mute and standby) selection. Short-circuit protection, no crackling when unit is switched on or off.