Amazon.com The Rolls PM50S Personal Monitor Amplifier mixes a stereo line-level monitor signal with a mic level XLR microphone signal to a set of headphones or earphones.The PS50S has a monitor level control, mic level control, mic pass through XLR jacks, two headphone output jacks, and a stereo TRS 1/4-inch monitor input jack. This is an ideal amplifier for any musical performer, including drummers who need to hear a click track or choir singers who need to hear themselves perform. A power adapter is included. Various mounting holes and hole shapes for mounting Rolls products as well as other items * 16 Gauge steel chassis * Width: 17.5-in Depth: 10-in Height: 1.75-in * All in a 19-in standard rack space of 1U What's in the Box Rolls PM50S amplifier and AC adapter. Product Description rolls. Universal;Rack;Tray
