Product description / Characteristics  IWM PRO and IWM PRO Double use the
latest high-fidelity technology of UHF wireless transmission to ensure superb
clear original sound.  True diversity reception can ensure no blind point
or dropout during long-range transmission, the maximum receiving range is up to
300m with a stable signal. The receiver is equipped with a TFT display and has
multiple equalization mode adjustments to meet different demands of use to make
a better sound quality. The receiver has 32 groups of channels, pre-set 6000
selectable frequencies. Simple to operate, with features of quick spectrum scan
and channel setup to avoid interference from other wireless devices in the same
location. Supports the simultaneous use of 20 sets, antenna bridge feature may
connect multiple receivers, transmitters may use ID identification feature to
quickly find corresponding receivers. English menu switches on the receiver The
receiver has a lock feature to avoid accident changes in setup IWM PRO and IWM
PRO Double is a wireless mic system with characteristics of high-quality sound,
reliable and stable signal, multifunctional and easy-of-use, designed for a
complex stage environment and a location that requires a very long distance
transmission, they may meet your high demand of sound quality.Packing
contents  Receiver 2x Antennas  2x Quater inch audio cables 2x
Rechargeable batteries for handled mic 2x Charging cables Power adapterReceiver
Technical Specifications / DataFrequency range: 610 - 698 MHz.Frequency
bandwidth: 42M / 60M.Maximum number of channels: 6000Receiving Sensitivity: -105
dBm/S/N=12dB.Frequency Stability: +-10PPM.Antenna Input: 2x
BNC/50Ω.Antenna Output: 2x SMA/50Ω.Image rejection:
>100dB.3rd Order IMD Suppression: >75dBBlock Suppression: >75dBAdjacent
Channel Rejection: >110dB (+-200kHz)Signal To Noise Ratio: ≥110
dB.Power Supply: 1500 mA.Handled Microphone Technical Specifications /
DataFrequency range: 610 - 698 MHz.Frequency bandwidth: 88M.RF Power: 10/30
mW.Max Frequency Deviation: 65 kHz.Power Requirements: 1x 145000 Lithium
Battery, or 1x 1,5V AA Battery.Battery life: Lithium battery: 9/10 hours high
power level, 13/14 hours low power level.Bodypack Technical Specifications /
DataFrequency range: 610 - 698 MHz.Frequency Bandwidth: 88 MM. RF Power:
10/30 mW.Max Frequency Deviation: 65 KHz.Power Requirements: Built-in lithium
battery.Battery life 8/10 hours.