Description: 【Low Noise】: 8 way headphone amplifier, 4580 operational unit, low noise 4580 operational amplifiers can ensure excellent audio performance, high power stereo amplifier can also guarantee the highest sound quality at the maximum volume 【Excellent Audio Quality】: Stereo audio amplifier, eight channels are independently controlled without interfering with each other. Eight devices can be used at the same time. Each channel has output volume control. Everyone can adjust their ideal volume. 【Features】: Mini headphone amp, 1/8" TS headphones output jack, stereo and switch, the ideal partner of HIFI headphones, each signal is finely amplified, and the beautiful music awaken the joy in the heart of every music appreciator. 【Compact and Portable】: The mini earphone splitter amp has a compact mini size, easy to use, easy to carry, and can be widely used in stage and studio performances. 【High Quality Material】: This multi channel headphone splitter is made of premium PP material, which is durable and has a long service life. Specification: Input parameters: Type: 1/8"TS connector, stereo Impedance: 100kΩ Maximum input level: +15dBu Output parameters: Type: 1/8"TS connector, stereo Impedance: approx.80kΩ Maximum output level: approx.40 mw in 100Ω Size Chart: 20cmx7cmx2.5cm/7.87inchx2.76inchx0.98inch   Package Includes: 1 headphone amplifier 1 US adapter Note: Please allow slightly errors due to manual measurement and different monitors.