Features SUPERIOR PERFORMANCE: Stereo switcher with lossless signal and robust aluminum housing for high interference immunity. With wireless IR remote switch for multiple viewing monitors or dubbing projects. EASY SWITCHING: Audio switch box easily switch between different sound inputs or outputs with a dedicated tone rotary switch or lossless device. MULTIFUNCTIONAL: 4-way RCA composite video splitter, 1(4) in 4(1) out, for splitting an analog AV signal to multiple TV monitors or speakers. MULTIPLE MODES: 4 channel RCA audio splitter for signal selection from multiple sources or parallel amplifier or active speakers for multiple rooms to distribute the same signal for playback. WIDE COMPATIBILITY: Multifunctional 4-way AV switch RCA switcher for XBOX, DVD, for PS2, for PS3, for Wii cable box to a TV. Specification: Item Type: Audio Switch Material: ABS Input: DC 12V Remote Control Power Supply: 1 x CR2025 3V 150MAH button battery, shipped with built in battery.  Package List:1 x Audio Switch 1 x Remote Control Package List 1 x Audio Switch 1 x Remote Control