Power supply: AC 100 - 240 V
Output power: 2 x 30 Watt
Impedance: 8 Ohm
Frequency response: 150-18000 Hz
Receiver Sensitivity: -88 dBm
Frequency range UHF: 700 - 900 MHz
Oscillating method: ± 0.005% quartz oscillating locked
Wireless effective distance: 80 meters
Speaker External: Include 1 pcs SH-008 speaker (6.5", 8 Ohm, 15W speaker)