Versatile Audio Connectivity This stereo audio switch box offers 2 stereo inputs and 4 separate outputs, allowing you to power up to four headphones or connect to external power amplifiers at the same time without signal interference. The wide DC power supply range of 5 to 19V ensures compatibility with various audio setups, whether in a home system or professional studio. Performance Amplification Equipped with the NJM4556A current operational amplifier, the unit delivers a maximum output current of 70mA. This results in clear, dynamic, and fidelity audio reproduction, meeting the needs of demanding listeners and precise studio monitoring. Reliable Signal Integrity Engineered for loss signal transmission, the device is housed in a robust aluminum enclosure. This sturdy design not only resists physical wear but also minimizes interference, ensuring a clean and accurate audio output. Compact and Professional Design The mini size and sleek black finish make this amplifier easy to integrate into any environment, from desktop recording setups to spacelimited racks. Its streamlined look complements both professional and home audio gear. Practical Applications Drive multiple headphone outputs for musicians during recording sessions without degradation in sound quality. Connect several external amplifiers from a single audio source to build multiroom audio distribution. Use in a mixing environment to feed clean, isolated signals to multiple monitoring stations. Key Specifications Inputs: 2 stereo audio Outputs: 4 stereo audio Amplifier model: NJM4556A current operational amplifier Maximum output current: 70mA Power supply range: DC 5–19V Enclosure: Aluminum shell, black finish Compact form factor suitable for desktop or rack integration