This product is a preamplifier, non-amplifier function, need to be connected to amplifier or active speakers, it can not be directly connected to passive speakers, speakers and headphones. It can't be used in the car, it will burn out because the voltage of the car is unstable.
1. Electronic tube bile preamplifier, audio signal input terminal can be connected to computer. Mobile phone. CD. Lossless music player and other audio sources, the output can be connected to various digital power amplifiers, active multimedia speakers and other audio equipment to make your audio equipment instantly .Itrsquos full of daring.
2. With high and low sound adjustment function, according to the different audio equipment parameters, free to adjust, to achieve the ideal HiFi sound quality! The 6N3 tube has been discontinued for a long time. The matching 6N3 tube is brand new or disassembled. All the tubes have been tested and we ship them randomly.
6H3N is the original Russian tube, the new inventory is not on the machine (the machine will be tested before shipment). The tube adopts the classic 6N3, the sound quality is greatly improved compared with the low-end tube sound quality such as 6J1 and 6K4 (the price of the tube is different, the sound quality is different. Different), the tone is warm and charming, very atmospheric, the sound is clear and delicate, and the dynamic is fierce.
3. Bluetooth adopts CSR8635 4.0 module
4. Audio input: 1.RCA audio input (Mobile phone / MP3 / computer / CD player, etc. can be used as input)
2.Wireless Bluetooth Input
5. Audio output: RCA output *1 group "Cannot directly connect passive speakers, need to connect power amplifier and then connect passive speakers or directly connect active speakers"
6. Power DC input: 12V2A power adapter(Without supply power)
7.Mode of operation: 1. Power switch
2.RCA and Bluetooth switch
3. High and low sound adjustment, total sound adjustment
8.Product size: about 98*33*123mm (width * height * length, no protruding part)
If the product has noise problems, the common reasons are as follows:
1. If the tube is not plugged in, please check the re-insertion tube carefully. Please insert the tube in case of power failure (this is the most frequently occurring).
2. The previous stage is equipped with signal amplification. If the sound source itself is noisy, the noise of the sound source itself will be amplified, so please use a good sound source test.
3. The signal line quality is not good or the noise caused by poor power supply filtering can be replaced by signal line or power supply test.
The above is our common problem. The machine is rigorously tested to ensure that there is no problem before it is issued. The machine itself does not bring its own noise. If you encounter the above problems, you can exclude the test.