Features:

• A built-in 2.5 inches high-fi loudspeaker and electrets Condenser stem microphone
• Provides Fixed/Pluggable gooseneck microphone for easier installation and maintenance
• BXB gooseneck microphones adopt DIN type plug preventing bad contact of the connector
• Gooseneck microphone with illuminating red ring to indicate speaking status
• Chairman Unit can be linked anywhere within the chain, max. up to 10
• Chairman features having “Priority” speak button to override delegate and the alarm sound when   delegate-off
• Has 1* stereo earphone jack for recording.
• Has dust/wind-proof functionality to prevent it from sound explosion
•  Loudspeaker is automatically switched off when the microphone is activated to prevent acoustic   feedback
• Auto-Test functionality
• Digital Series- parallel daisy-chain connected. Even though one of them is failed, just removes     the failed one and then re-connected, the functionality       still works perfectly
• Provides Stem length: 43/48/56/70 cm