Mini Audio Source Amplifier (Mp3 Player, FM Tuner, Bluetooth, With 24V DC)

Descriptions

* High grade aluminum 1.5u black drawing panel, beautiful and generous;
* The volume potentiometer adopts fully sealed dust-proof technology, permanent dust-proof, and no noise;
* The internal circuit adopts full chip technology, which makes the performance more stable and the wiring more beautiful;
* The PCB adopts double-sided circuit, which makes the components more stable and reliable;
* It adopts class D power amplifier circuit with low calorific value and strong power;
* 4 signal inputs (2 lines, 2 microphones);
* Built in 5.0 Bluetooth receiving module, the open receiving distance can reach 15 meters;
* Built in USB, SD interface, power on automatic play, with up and down song, pause / play and other key control;
* The built-in FM radio can automatically search for and save up to 30 stations;
* 4-digit nixie tube display screen, touch function key operation;
* With infrared remote control to operate all MP3 and other functions;
* The volume of each channel can be adjusted independently, and the treble and bass can be adjusted independently;
* Unit 3 working status indicator light;
* Wide voltage switching power supply is adopted, AC100 ~ 260V can work normally;
* It has DC24 V DC power supply, which can be connected to emergency power supply or dual power supply at the same time. When there is no AC input, it will automatically switch to DC24 V power supply;
* The audio transformer adopts pure copper EI transformer with wide frequency response and high performance;
* It has perfect output short circuit protection, DC protection, high temperature protection and other functions;
* High efficiency circuit design, no need of fan cooling, absolutely silent;