IC LA4440 merupakan IC Monolitic Power Amplifier dengan sedikit tambahan komponen eksternal. Bisa diset untuk stereo dengan power ouput sekitar 2x6W dan mode Bridge dengan power output Max 19W. Dikemas dalam Package SIP14H. Dimensi (kurang lebih): bodi 37mm x 16mm panjang kaki/pin 6 mm.
Fitur: - Built-in 2 channels (dual) enabling use in stereo and bridge amplifier applications. - Dual : 6W2 (typ), Bridge : 19W (typ) - Minimum number of external parts required. - Small pop noise at the time of power supply ON/OFF and good starting balance. - Good ripple rejection : 46dB (typ) - Good channel separation. - Small residual noise (Rg=0). - Low distortion over a wide range from low frequencies to high frequencies. - Easy to design radiator fin. - Built-in audio muting function. - Built-in protectors : a. Thermal protector b. Overvoltage, surge voltage protector c. Pin-to-pin short protector