Features Professional Made: There are 2 stereo audio inputs and 4 outputs, can directly drive four headphones or external power amplifiers without affecting each other, DC 5‑19v power supply. Good Output: Adopt for njm4556a high current headphone operational amplifier, the maximum output current is 70ma, the stereo audio splitter box can provide good dynamic high fidelity output. Signal Lossless: Stereo switch box bring signal lossless, sturdy aluminum shell has strong interference resistance. Exquisite and Practical: The stereo audio splitter box comes with mini size and exquisite appearance, black shell makes it more stylish and powerful. ABS Plastic Material: The stereo audio splitter box adopts excellent ABS material, possess impact resistance, scratch resistance, environmentally friendly. Specification: Item Type: Stereo Audio Splitter Box Product Material: ABS, aluminum alloy Power Supply: DC5-19V Package List: 1 x Stereo Audio Splitter Box Note: It is recommended to use a linear power supply with small ripple. Package List 1 x Stereo Audio Splitter Box