1X LH0086CD DIGITALLY-PROGRAMMABLE-GAIN AMPLIFIER

1PC 30x22mm 6mm Aluminum Volume Potentiometer Control Knob For Amplifier Speaker

1x Signetics UA709T IC (LM709H uA709) Operational Amplifier

1PCS TDA75610LV 4 x 45W power amplifier with diagnostics high STM

Voltage Amplifier Module AD623 Millivolt/microvolt voltage amplifier board with

1PCS TDA75610LV 4 x 45W power amplifier ZIP

1-10x PAM8403 2x3W Stereo Audio Power Amplifier Board Module +Volume Control Pot