BASS CONTROL DIP28 SO28 FOURSPEAKER ATTENUATORS: ORDERING NUMBERS: - 4 INDEPENDENTSPEAKERSCONTROL TDA7313 TDA7313D IN 1.25dB STEPS FOR BALANCE AND FADER FACILITIES systems. - INDEPENDENT MUTE FUNCTION ALL FUNCTIONS PROGRAMMABLE VIA SE- Selectableinput gain and external loudn2ss function RIAL I C BUS