Трубчатый предусилитель 6J1 Hi-Fi аудио Bluetooth 4 2/5 0 буфер стереоусилитель с высокими

Трубчатый предусилитель 6J1 Hi-Fi аудио Bluetooth 4 2/5 0 буфер стереоусилитель с высокими

Подставка для мебели

Voltage: DC12-16V PCB size: 99*121mm Machine size: 102*36*138 Bundle 1: finished board, not including power supply.preamplifier version, with preamplifier, high and low sound adjustment, Bluetooth 4.2 and analog input function; Bundle 2: Finished board, not including power supply.pre-tube version, tube 6J5 for retouching, the tube has a better bile than 6J1, with high and low sound adjustment, Bluetooth 4.2 and analog input function; Bundle 3: Finished machine, including power supply. The pre-stage version of the tube, the tube 6J5 is polished and enlarged, the tube has a bile taste better than 6J1, with high and low sound adjustment, Bluetooth 4.2 and analog input function ; Bundle 4: Finished machine, including power supply. The pre-stage version of the tube, the tube 6J5 is polished, the tube is better than 6J1, with high and low sound adjustment, Bluetooth upgrade to 5.0. With analog input function, Bluetooth Program bit Qualcomm QCC3003, plus decoding PCM5102 output, let Bluetooth The effect goes beyond wired transmission. Adding the tube to enlarge, the sound is more natural and resistant, the high frequency is more delicate, and the low frequency is fuller!