DUAL CHANNEL SIGNAL One input and two simultaneous outputs. The output can be connected to headphones, amplifiers, or other sound equipment, with independent volume control. Specifications: gain 3.5 dB; input impedance 100 k ohms; output impedance 16 600 ohms; maximum output power 32 ohms 500 mW. OUTPUT The unit uses an isolated boost power supply that converts 5 V to plus or minus 9 V to power the internal circuits. While the power supply is optimized for filtering, it is recommended to use a pure power supply to ensure clear and pleasant sound without interference. EXQUISITE AND PRACTICAL Stereo sound splitter box with a compact, refined design. The black shell provides a stylish and sturdy appearance. WIDELY COMPATIBLE Input: 3.5 mm sources such as DVD, CD, set box, MP3, TV, cell phone, computer, tablet, microphone, phono turntable, sound card, guitar, bass, electronic instruments, game console, or other 3.5 mm devices. Output: speakers, subwoofer, soundbar, reverb, post amplifier, headphones, etc. USE SCENARIOS Home theater or listening: connect a TV, computer, or other 3.5 mm source to both speakers and headphones for simultaneous playback and private listening. Studio or music setup: route a DAC or audio source to studio monitors and headphones, enabling independent monitoring. Gaming or multimedia: share game console or media player output to a soundbar or powered speakers while keeping headphones for immersive play.