Connectors
• Input: 2 x XLR Connector, balanced
• Output: 3.5mm TRS Connector
• Input Impedance: 20 K+
• Output Impedance: 10 + per Channel
• Frequency Response: 20Hz - 80kHz (+/- 0.5dB)
• THD + N: 0.01%
• Signal-to-noise ratio: >90 dB (A-weighted)
• CMRR: >50 dB
• Crosstalk: >40 dB

System Data
• Normal input level: 2 dBu
• Max input level: 6 dBu
• Limit input level: 7 dBu
• Max output level: 9.5 dBu

Indicators
LEDs
• Power indicator (green)
• battery control indicator (red)

Voltage
• Green LED lit: voltage > 7.3 V
• Both green and red LED lit: voltage = 6.8 - 7.3 V
• Red LED lit: voltage < 6.8 V

Physical 
• Dimensions (H x W x D)
• 125 x 85 x 45 mm (0.9 x 3.4 x 1.8")

Weight
• 0.3 kg (0.7 lbs)

Aifa Pro Powerplay P1
Personal In-Ear Monitor Amplifier