Squelch Control : Noise-Lock
Frequency Range : 220MHz-270MHz
Frequency Response : 100Hz-12.5kHz
Frequency Steadiness : +/-0.005%
Total Harmonic Distortion : ＜1% (at 1kHz)
Output Power : Approx. 25W
S/N Ratio : ＞70dB
Transmit Power : <=10mW
Input Signal : Wired MIC x 1, Wireless MIC x 1
Speaker Impedance : 4 Ohm
Power Requirements : 12V/3000MA Ni-MH Rechargeable Battery or 220V/50Hz External Power Supply
Recharging Period : Approx. 10-12hrs
Playtime : 6-8hrs at Full State
Operating Voltage : DC 9V
Operating Range : Approx. 25m

Power adapter
Rechargeable batteries
Headset microphone & lapel microphone
Body pack wireless transmitter