Trio 8300/8800 Expansion

HP Poly Trio 8300/8800 Expansion Microphones (85X00AA) add two wired microphones to compatible Poly Trio conference phones, extending audio pickup for a meeting space. The pair is designed as an expansion accessory for the Trio 8300 and 8800 series.

Each condenser microphone has its own mute button with an LED indicator, giving its user a local mute control. The product listing specifies compatibility with Poly Trio 8300, 8500 and 8800 phones.