ER-280 professional in-ear wireless monitoring system, single-channel UHF with multiple receivers, suitable for bands and stages

Product introduction：

This is a UHF wireless in-ear monitoring system. Setup is simpler and use is more straightforward. It is easier for both entry-level users and professional users to get started. The wireless transmission signal range can reach 50m, and the signal is stable. , the sound is clear and the ultra-low noise floor can bring users a clean monitoring experience. It is an excellent wireless monitoring system.

Main functions：

1. This wireless ear monitoring system is used for stage performances and audio broadcasts. It can replace traditional complex monitoring equipment and achieve good monitoring effects.
2. Adopting the latest high-frequency transmission and audio signal dynamic processing technology, while improving the signal-to-noise ratio of the dynamic range, the system has the best anti-interference performance and once again demonstrates the main characteristics of the perfect original sound.

Main features：

●Ultra-high frequency band, stable transmission
●In the 32MHZ frequency band, 16 preset frequencies can be viewed at will
●Dynamic expansion circuit greatly improves signal-to-noise ratio
●LED screen display
●With power and RF receiving indicator lights
●Using two 1.5V AA batteries and high-efficiency power circuit, long service life
●Lightweight ABS shell, sturdy and durable
●The transmitter adopts balanced and unbalanced universal sockets
●Transmitter with output monitoring wired headphone jack

Technical specifications：

System parameters:

Work frequency: 500-700MHZ
Modulation mode: Broadband Fm
Channels: 16
Channelfrequency: 300KHz
Frequency stability: ±0.005%
Dynamic bound: 100 decibels
Max excursion: ±45KHz
Frequency response: 60Hz-18KHz(3±dB)
S/N: >105dB
T.H.D: ≤0.5%
Operation distarce: About 50m (without interruption)
Working environment Temperature: -10℃--+50℃

Closing indicator:

Antenna: Handheld mic has on in built helixantenna
transmitter 1/4 antenna
Sensitivitire: 12dBuV(80dB S/N)
Sensitivitive adjustable rang: 12-32dBuV
Erratic control: ≥75dB

Transmitter index:

Antenna receive: BNC/50Ω
Erratic control: -60dB
Power supply: DC12V/700mA