Bảng Mạch Khuếch Đại Âm Thanh Kỹ Thuật Số 2 Kênh TPA3116 Bluetooth-compatible 5.0

TPA3116 Bluetooth-compatible 5.0 Amplifier Power Audio Board 2 Channel Digital 100% brand new and high quality. Features: TPA3116 Bluetooth-compatible 5.0 dual channel amplifier board with volume adjustment. This is a DC12-24V single power supply, using TI's TPA3116D2 high-performance digital power amplifier chip as the core, can support 50W (left channel) + 50W (right channel) dual channel output. Support Bluetooth-compatible 5.0 audio receiver, with an external audio input interface, bass, midrange, high pitch tri-tone tone potentiometer, function control switch / volume adjustment potentiometer. Wide operating voltage, power saving design, efficiency up to 90%. Can use a good switching power supply, laptop switching power supply, you can also use the charge bottle, or car power supply and so on . The board is a finished board that has been soldered and tested. Connect the speaker box according to the diagram, connect a suitable power supply, connect a Bluetooth-compatible audio device, or connect the correct audio input. Power on: Default Bluetooth-compatible mode, waiting for Bluetooth-compatible audio device connection. Source input player: Bluetooth-compatible disconnected state --> Press volume potentiometer switch --> Switch to source input mode. Specifications: Operating voltage range: Direct current DC12-24V. Bluetooth-compatible version: 5.0 Receiving distance: >8 m Sound source input sensitivity: 600 - 800mV Frequency range: 20Hz - 20KHz Speaker Impedance: 4-8 Ohm Output power: Power Supply 12V/8Ω Speaker >10W x 2;12V/4Ω >15W x 2 21V/8Ω >30W x 2; 21V/4Ω = 50W x 2 24V/8Ω >35W x 2; 24V/4Ω >60W x 2 Material: Metal and Plastic Size: approx.130x85mm/5.12x3.35in Color: As pictures shown Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Bluetooth-compatible Amplifier (other accessories demo in the picture is not included.)