Complete two-channel wireless system for actors or speakers consisting of a BLX88E receiver, two BLX1 bodypack transmitters and two CVL-B / C-TQG lavalier microphones with condenser capsule, cardioid.
M17 wireless frequency range: 662 to 686 MHz.

BLX1 transmitter features:
RF output power: 10mW (varies from region to region)
M17 frequency range: 662-686MHz
H8E frequency range: 518-542MHz
Input Audio Level: Gain -16dBV max, Gain (0dB) + 10dBV min
Gain Adjustment: 26dB
Input impedance: 1MW
Microphone input: TA4M
Material: ABS molded
Power supply: 2 LR6 AA, 1,5V, Alkaline batteries
Battery life: up to 14 hours
Dimensions: 110 x 64 x 21mm
Weight: 75g (without batteries)

BLX88 Receiver Features:
1-touch frequency selection QuickScan quickly locates the best free frequency in case of interference
Up to 12 compatible systems per frequency band (based on region)
2-color LED status indicator
XLR and 1/4 "jack outputs

CVL Lavalier Microphone Features:
Microphone: Miniature Lavalier
Transducer: Condenser
Polar Diagram: Cardioid
Frequency response: 50Hz - 20kHz
Sensitivity (1kHz): -43.5dBV / Pa
Self Noise Equivalent: 22dB (A)
Sound pressure: 139dB
Weight: 25g