MK-400 Wireless Microphone

Power Supply (receiver): 12 - 18 Vdc 350mA adapter (supplied)
Batteries (transmitters): 4 x AA (included)
Carrier frequency: 600 MHz ~ 870 MHz
Stability: 10 PPM
S/N ratio: > 105 dB
THD: <0.5% @ 1 KHz
Image rejection: 85dB typical
Range: 60m (max)
Output impedance: 2.2k ohms
Output level: Balance: 0-400mv, unbalanced: 0-200mv
Connectors: DC in, 4x XLRM 6.3 mm jack
Dimensions - handheld transmitter: 243 x 48mm
Weight - handheld transmitter: 238g (no battery)
Weight - bodypack transmitter: 76g (no battery)
Weight - receiver: 1.2 kg