Specifications:
A stereo sound 3.5mm input port
Four stereo 3.5mm output ports
Gain: +18dB (8x amplification)
Input impedance: 47 kΩ
Input maximum signal: 5 Vrms
Maximum output drive: 250 Ω 4 Vrms
Maximum output non-distortion drive power: 150 mW
Support headset types: 16 Ω to 600 Ω (best drive is 32 Ω to 220 Ω impedance)
Application: Suitable for use with computers, CD players, mobile phones, tablet computers, and other audio sources
Power supply: 5V / 1A
Amplification architecture: The main architecture of this product is a type 47 amplification circuit.
How to Connect:
Before use, ensure that all volume controls are set to the minimum. Then, connect the signal cable and the power supply.
For low-resistance headphones with 16Ω, 22Ω, 32Ω, please adjust the volume appropriately. If the single output volume exceeds 150 mW, it may lead to distortion and a decrease in sound quality, resulting in unclear audio.
The input audio plug must be a three-segment stereo connector.
The input cable does not support 4-connector lines with a microphone function. Using a 4-plug signal cable for input may result in abnormal voice.
The amplifier does not support 2-plug input cables, which may lead to one-sided or no audio output.
Remember to turn off the volume for any unused outputs to avoid unexpected noise or interference.