
Wireless Microphones System
UHF wireless 2 channel gooseneck microphone system for meeting
ZR-E3302
The receiver adopts embedded professional DSP digital signal processing chip, serving as the audio processing core of the entire wireless conference microphone system.
Equipped with a 1.8 inch display screen on the main receiver, clearly showing channel No. for 2 channels , frequency, microphone battery level, volume, microphone signal and audio level.
Independent volume adjustment for dual channels. Single channel volume is finely adjustable from level 0 to 31
Built-in howling suppression function, it can be turned on or turned off as required.
Equipped with one click lock to control panel in operation interface to avoid parameter errors caused by accidental touches.
Four builtin EQ modes: bypass, Low cut, High cut and User. In User mode, 13 band EQ gain can be adjusted flexibly by front panel buttons for more application occasions.
50 anti-interference frequencies preset to improve installation efficiency when multiple sets work simultaneously.
Independent frequency scanning and detection for each channel. It detects environmental interference signals in real time and automatically selects clean available frequencies, minimizing signal dropouts and eliminating background noise for clear communication and more stable when multiple sets of devices operate simultaneously.
2.8inch display screen on microphone , displaying transmission frequency, connection signal, channel, battery level, speaking time and other information.
Professional 14 mm goldplated condenser capsule for sensitive sound pickup and clear voice reproduction.
Triple speaking status indication: button LED, microphone stem indicator and onscreen icon light up simultaneously when speaking, these identify the active speaker.
the gooseneck microphone stem connects to the microphone base through a threaded connector and supports 360° rotational adjustment. The structure is solid and stable.
Acrylic microphone panel with antistatic performance for desktop application, simple and robust design.
Powered by 1.5 V AA 3-3000 mAh batteries. working time: 19 hours; standby time: 40 hours.
Wireless frequency sync. No need to aim the microphone at the IR transmitter port of receiver for sync.
Auto poweroff: microphone will shut down automatically after 1hour inactivity to save battery power.
Receiver interfaces: 2 × ANT antenna ports, 2 × balanced independent output ports, 1 × 6.35 mm unbalanced mixed output port, 1 × IR infrared port, 1 × DC power port.
Specifications
| Carrier Frequency Band | 640–690 MHz |
|---|---|
| Modulation Mode | FM |
| Frequency Stability | 0.005% |
| Number of Channels | 200 |
| Channel Spacing | 250 kHz |
| Sensitivity | -35±2 dB |
| Frequency Response | 50 Hz ~ 18 kHz |
| Equivalent Noise Level | 17 dB(A) |
| Max Sound Pressure Level | 120 dB SPL |
| Max Frequency Deviation | ±50 kHz |
| Power Consumption | 150 mA , 72 mA (Standby) |
| Transmit Power | 10 mW |
| working distance | 80 m |
| Microphone Gooseneck Length | 360 mm |
| Microphone Base Dimension (L×W×H) | 133×112×65 mm |
| receiver Net Weight | 1.45 kg |
| Gross Weight | 4.14 kg |


