Description: PM100 provides a mix of stereo line level signals and microphone level signals and outputs the mix to both sets of headphones. The device has monitoring level control, microphone level control and through XLR jack, two earphone output jack, and stereo 1/4 "TRS monitor input jack. The PM100 is designed for performers who need to monitor their own signals, such as singers who need to hear their own voice through the theme. Other USES include drummers, who may need to mix click-through tracks with surveillance signals, or church choir singers who need to monitor their voices through other musicians. Features: 1. PM100 is equipped with the MIC XLR THRU jack and provides excellent straight through noiseless effect. 2. PM100 is small and can be carried around. 3. Ultra-small listening headphone amplifier is suitable for recording studio and stage. 4. The Monitor Input signal comes with a volume control and a mono/stereo toggle switch. 5. High power earphone output 1/4 "and 1/8" (3.5mm) headphone jack. 6. It is equipped with 9V dc power adapter. 7. High quality components and extremely strong structures ensure long life. Specifications: Condition: 100% Brand New Material: Metal Size: Approx. 10 * 8.5 * 4 cm / 3.9 * 3.3 * 1.5 in Color: Black Input: -20db Max XLR 1K balance, 20db monitor Output: 1/4 ", 1/8 "(3.5mm) 8 ohms or greater Gain: 20 dB 1/4 ", 50 dB XLR Bandwidth: 20-20k Hz Signal-to-noise Ratio: 90 db Energy: 9 / DC 300 ma Earphone Frequency Response: 20hz-20khz Weight: Approx. 437 g Package Included: 1 x Host 1 x Adapter 1 x English Instruction Manual Notes: 1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.