BL-2900S UHF Four Channel Wireless System provides you with proven performance and durability in a variety of settings, from churches to nightclubs to gymnasiums, from concert halls to broadcast booths and stadiums. Each BL-2900 Series UHF wireless microphone system includes one receiver and two gooseneck microphones/transmitters, each of which has 100 selectable channels so its much easier to avoid any unpleasant interference from other sources and for easy system expansion as well. This system has a total of 3 outputs, one of which is a mixed standard 1/4 outputs, the other 2 are individual balanced XLR outputs.

Features

1) Backlit LCD display showing RF level, AF level, Channel Frequency and mute status.

2) 100 Selectable frequencies on each channel, up to 20 units can be used simultaneously

3) Built-In Tone Lock Squelch circuit protection from RF interference

4) Manual frequency selectable and set the best available channel

5) Automatic transmitter setup, the channel of the transmitter and receiver can easily synchronize

6) Four channel receiver, Both microphones can be used at the same time

7) Four XLR individual outputs and one 1/4 Mixed output

8) Individual volume control on each channel

9) Frequency: Group 610-670Mhz.

10) Frequency Response: 50Hz~18KHz

11) Battery Life: 12 Hours ( AA batteries )

12) Range: Up to 80 meters

13) Rack mountable, Fits 19 rack

Package includes:

(1) Four channel UHF receiver

(2)4 metal gooseneck microphones (AA battery not included)

(3) 4 Receiver Antennas

(4) Cabinet installation, L type frame

(5) 1/4 audio cable

(6) AC-DC adapter

(7) Manual

Specification Overviews

Signal model: Analogue

Oscillation Mode: KT

Working frequency: 610~670MHz

Frequency quantity: 200

Working distance: 50~80 meters

Frequency bandwidth: 25MHz, total 50MHz

Total harmonic distortion (THD) <0.5%

Channel Interval 300KHz

Max Deviation±45KHz

Receiver

Sensitivity: 12dBuV(80dB S/N)

Sensitivity Adjustment: 12~32dBuV

Antenna Access: BNC/50Ω

Mid-Frequency: 110MHz.10.7MHz

Spurious Suppression: ≥75db

Max Output Electrical Level: +10dBv

Power Supply: DC12V, 500mA input

Transmitter

Transmitter Type: Dynamic microphone

Pickup Pattern: Cardioid

Housing Material: Zinc Aluminum Alloy

Power: 5mW~10mW

Power Supply: 2*AA 1.5V Alkali  batteries

Battery Life Time:10~20 hours