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Review Summary
Headset - wired - monaural
Quick Disconnect (host interface) to RJ-9 (phone connection)
Mono
On-ear
50 Hz to 18 kHz
90 Ohm
Boom, electret condenser
Mode Uni-directional
150 to 6800 Hz
Yes (on microphone), Sound Isolation (on earpiece)
Approx. 68.2 g (without cable)
6841, 6851, 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861, 8865, 8865NR; Unified IP Phone 7945G, 7965G, 7975G
889728143745
The Cisco Headset 531 (Wired Single with Quick Disconnect coiled RJ Headset Cable) is a lightweight, professional-grade monaural headset designed for call-intensive environments, offering premium audio quality and noise isolation with a direct connection to compatible Cisco IP phones.