1-in-4-out Stereo Audio Amplifier Amp Signal Distributor 1 Channel Input 4 Channels Output RCA Interface Independent

"Features:
1 * input interface for connecting TV audio, MP3 player, video game machine, smartphone, tablet, computer, record player and other line level signal source devices.
4 * output interfaces for connecting power amplifiers, speakers or headphones to achieve 4-channel stereo audio output simultaneously, and improve sound quality and reduce noise.
Input and output both adopts standard RCA interfaces, compatible with most audio devices, straight plug and use, easy to use.
4 stereo outputs use high-precision potentiometer, supports independent volume adjustment and has an independent signal gain amplification function(+20dB).
Input power is controlled by switch, and comes with a power adapter for more convenient usage. Compact size design, lightweight and portable, and won't take up much space.
Specifications:
Input impedance: 100K Ohm
Maximum input level: +14 dBV
Output impedance: 47 Ohm per output channel
Frequency response: 20Hz-20KHz
SNR: > 107dB
Total harmonic distortion: < 0.02%
Intermodulation distortion: < 0.01%
I/O interface: Stereo RCA
Power supply: DC-12V
Item Size: 10.9 * 7.9 * 3.8cm/ 4.3 * 3.1 * 1.5in
Item Weight: 310g/ 10.9oz
Package Size: 18.5 * 13.5 * 6.5cm/ 7.3 * 5.3 * 2.6in
Package Weight: 460g/ 16.2oz