KD-4ZQ Talkback Main Unit

KD-4ZQ Talkback Main Unit

Power failure alarm sound pressure level of main unit:75db-85db

Output audio power: ≤5W

Nonlinear distortion:≤6%

Frequency characteristic:200Hz～5000Hz

Requency response relative to 80oHz is ±3dB

Call signal is800±100Hz intermittent tone

Capacity: 50 lines

Operating vltage: DC24V -25% +30%

Color: Black（RAL9005）

IP class:IP20

Weight:2.1Kg

Power: 5W