BOLY BL-2900 Professional Dual-Channels Wireless UHF Dual Handheld Microphone System
BL-2900 UHF Dual 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 handheld microphones/transmitters, each of which has 100 selectable channels so it's 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) Dual channel receiver, Both microphones can be used at the same time
7) Two XLR individual outputs and one 1/4" Mixed output
8) Individual volume control on each channel
9) Frequency: Group 1 : UHF 730MHz - 790MHz; Group 2: UHF 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) Dual channel UHF receiver
(2) 2 metal Hand-held microphones (AA battery not included)
(3) 2 Receiver Antennas
(4) Cabinet installation, L type frame
(5) 1/4" audio cable
(6) AC-DC adapter
(7) Manual
Specification
Overall system
Frequency range: Group 1 : UHF 730MHz - 790MHz; Group 2: UHF 610-670Mhz.Group 3: UHF 530-580MHz
Modulation mode: FM
Oscillation mode: IC
Brand width: 100 MHz
Frequency Response: 50Hz~18KHz
S/N ratio:≥105dB
T.H.D distortion:<0.5%
Working distance: 80 meters
Frequency stability:±0.005%
Dynamic range:100db
With FM Max frequency adjusting:±45KHz
Channel Spacing: 250KHz
Technical Parameters of Receiver
Power consumption:4W
S/N ratio:≥80dB
Sensitivity:5dBuV(80db S/N)
False interference ratio: ≥80dB
Channel interference ratio: ≥80dB
Power supply : Input DC 12 v, 500 Ma
Technical Parameters of Handheld Transmitter
Transmitter Power supply:2*AA alkaline batteries
Transmitting power: 30mW
Modulation mode: FM
With FM Max frequency adjusting:±25kHz
High harmonics: 40dB less than basic standard of main wave
Polar pattem: cardioid
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