LINEPAUDIO B899 Pre-stage Stereo Signal Amplifier Booster Dual Sound Source Headphone Amplifier 2 in 3 out with Volume Control (Black)

About The Product
1. Do you have a line level source (TV audio, MP3 player, video game, phone, tablet, computer, record player, etc.) just the sound is not loud enough / the volume is not loud enough? A powerful signal amplifier receiver or volume control just to match your other sources? Or you may need to run a long line between the TV audio line and the receiver on the other side of the room, providing high gain through any line level source, allowing longer cable runs or requiring "buffering"to solve low capacity problem. You can use it to add volume controls between the line level signal source and the power amplifier, and the RCA jack matches almost all other product interfaces.
2. In the aspect of controlling the sound quality amplification of the signal, it can raise the sound and the bottom noise is small, and the dynamic range will not produce the sonic boom. The output volume is controlled by the sensitivity adjusting knob. The output part of the headphone hole at the front end of the product can drive 16 ohm -600 ohm headset. The sound quality is without loss and distortion. The circuit part of the product adopts OP + BUG structure and uses AC 9V transformer to supply power to ensure full thrust, sound fullness, bass calm, high frequency clarity.

Features
1. Input impedance: 100K Ohm
2. Maximum input level: 14 dBV
3. Output impedance: 47 Ohm per output channel
4. Frequency response: 20 Hz -20K Hz
5. Signal to noise ratio: > 107dB
6. Total harmonic distortion: < 0.08%
7. Intermodulation distortion: < 0.01%
8. Input port: stereo 3.5mm jack and RCA
9. Output port: input port: stereo 3.5mm jack and RCA
10. Product power supply: AC 9V

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