AF Preamplifiers: High output 4-channel line amplifier IC for car audio system, radically reduced number of required extemal components Four-Channel High-Output Line amplifier for Car Audio Systems
From old datasheet system LOW NOISE PRE-amplifier, TONE CONTROL amplifier AND DC-DC HIGH INPUT IMPEDANCE amplifier CIRCUIT APPLICATIONS N CHANNEL JUNCTION TYPE (LOW NOISE PRE-amplifier, TONE CONTROL amplifier AND DC-AC HIGH INPUT IMPEDANCE amplifier CIRCUIT APPLICATIONS)