The PM50 mixes a stereo line-level monitor signal with a microphone level XLR microphone signal to a set of headphones or earphones. It has a monitor level control, microphone level control, micropohone pass through XLR jacks, two headphone output jacks, and a stereo TRS 1/4 inch monitor input jack. Possible users may be drummers who need to hear a click track, choir singers who need to hear themselves, etc. The power adapter is included.

SPECIFICATIONS: * Input: -20 dB max XLR 1K balanced 20 dB monitor * Output(2): 1/4 inch 8 ohm or greater * Gain: 20 dB 1/4 inch, 50 dB XLR * Bandwidth: 50 - 20kHz * S/N Ratio: 90 dB * Power 9-18 VAC/DC, 9-24 VDC * Dimensions: 3 x 2.5 x 1.25 inches