High Power Bluetooth Amplifier TPA3116D2 2.1 Subwoofer Treble Control

sale Features: Brand new and high quality SupportBluetooth audio reception With pre-amp, bass frequency processing. With bass, left and right channel volume adjustment, treble adjustment, the master volume potentiometer Using DC 12-24V power supply, maximum output power is: 50W(L)+50W(R)+100W(BASS) Core chip is TPA3116D2 Specification: Size: 101 * 100 * 25mm / 3.98 * 3.94 * 0.98 inch Operating voltage range: DC 11-25V (current 3-4A, or 19-24V/4-5A ,If the power requirementshigh, above20-24V/8-9A ) Bluetooth receiving distance: gt;8m(26ft) Speaker impedance: Left/Right Channel: 4-8 , BASS Channel: 2-8 Function SwitchInstructions for use 1, Plug on the power on,the default is Bluetooth mode 2, BluetoothDisconnectedstatus,Long press the switch can switch to the audio input mode 3, Bluetooth Play status, Short press the switch for Pause/Play 57ULZ4 on sale