Dual channel stereo direct box. Use to connect CD and tape players, computer sound card outputs, DJ mixers, etc. to professional equipment with balanced inputs such as a mixing console. Signal is input via 3.5mm (1/8") stereo TRS jack or color-coded RCA phono type input / through jacks. Output is via color-coded XLRs. Features a ground lift switch to help eliminate hum and buzz, a "STEREO / MONO" switch to combine stereo sources into a mono signal. Each section also features a 20dB pad switch for connecting to "hot" signal sources.