Product Details
Personal in-ear monitor amplifier in-ear monitor amplifier for personal monitor applications，
high power and drummer proof" headphones output dual XLR inputs allow for 2-channel mono or stereo operation switchable stereo/mono operation with mix function level and balance/mix controls runs up to 12 hours on a 9V battery(not included) battery control with dual LED indicators operates on DC 9V power supply (included) integrated current limit protects your ears and headphone.

Specification
1. Input: 2 x XLR connector balanced
2. Output: 6.35mm and 3.5mm TRS connector
3. Input impedance: 20K ohm
4. Output impedance: 10K ohm per channel
5. Frequency response: 20 Hz-80K Hz(+/-0.5 dB)
6. THD + N: 0.01%
7. Signal-to-noise ratio: >90 dB(A-weighted)
8. CMRR: >50 dB
9. Crosstalk: >40dB
10. System Data
- Normal input level: 2 dBu
- Max input level: 6 dBu
- Limit input level: 7 dBu
- Max output level: 9.5 dBu
11. Indicators
- LEDs: Power indicator(green)，battery control indicator(red)
- Voltage: Green LED lit：voltage>7.3V，Both green and red LED lit：voltage = 6.8-7.3V，Red - LED lit: Voltage<6.8V
12. Battery: 9V block alkaline or 8.4V NIMH rechargeable battery
13. Power adapter: Ext. input power DC 9V (pin = pos，ring = neg)
14. Standby power consumption: 300 mW
15. Max operation current: 90 mA
16. Max output power into 20 ohm: 40 mW per channel
17. Product net weight: 0.32kg
18. Product size: length: 105mm x width: 103mm x height: 43mm"