Features
XLR-3M audio connector
Front panel speaker
Supports four AA size battery power supply
Electronic latch microphone button
Size: 10x8.5x4cm
0.2kg
Specifications
Audio signal input connector is a XLR-3M connector.
Pin out configuration is different when Balance Selection Switch at different position.
A) Balance Selection Switch at `NO`
Pin 1 -- Common
Pin 2 - DC Power (15V-30V)
Pin 3 - Audio Signal
When connect to intercom system, BK-803 receives power on Pin2 from main station.
When connect to external audio signal, Bk-803 can be powered by battery. Meanwhile Pin2 is Null.
For example, when BK-803 is connected to a cell phone, Pin1 connect to cell phone`s earphone jack common.
Pin3 connect to cell phone`s earphone jack hot.
Pin2 is block-condenser.
B) Balance Selection Switch at `YES`
Pin 1 -- Common
Pin 2 - Audio Signal +
Pin 3 - Audio Signal -
When balanced input is selected, BK-803 only can be powered by battery.
In the Box
BK-803 Belt Pack x 1pcs
EP-23 in ear earphone x 1pcs
