AUDIO POWER AMPLIFIER CLASS D QFN-20; Amplifier Class:D; No. of Channels:2 Channel; Output Power:2.1W; Supply Voltage Range:2.5V to 5.5V; Amplifier Case Style:QFN; No. of Pins:20Pins; Load Impedance:4ohm; Product Range:-; MSL:- RoHS Compliant: Yes