About Expansion Microphone kit for RealPresence Trio 8800/8500. Incl two mics. (85X00AA)

The Poly Trio Expansion Microphones (85X00AA) are a matched pair of wired expansion mics designed to extend the audio coverage of your Poly Trio 8300 or 8800 conference phone. If you've got a bigger room or a longer table, these mics make sure everyone is picked up clearly — no more leaning in or raising your voice to be heard on the call.

Key Features

• Extended Audio Coverage — Expand your Trio's pick-up range to accommodate more participants across larger meeting spaces and longer conference tables.
• Compatible with Trio 8300 and 8800 — Designed specifically for use with Poly Trio 8300 and 8800 conference phones for a reliable, integrated audio setup.
• Plug and Play — Connect directly to your Trio base unit and you're up and running straight away — no extra software or configuration needed.
• Professional Audio Quality — Delivers the same clear, high-quality sound capture as the Trio itself, keeping your meetings sounding sharp from every seat in the room.
• Sold as a Pair — Includes two microphones so you can position them at either end of the table for full room coverage.

Why Choose This Product?

If your Poly Trio is struggling to cover a larger room, these expansion mics are the straightforward fix. They're purpose-built for the Trio platform, so you know they'll work properly right out of the box. Our Telrexperts can help you work out the best placement for your setup if you need a hand.

What's in the Box

• Poly Trio Expansion Microphones x2
• Connecting Cables

About Poly

As a trusted Poly partner, Telrex is proud to offer a full range of headsets, conference phones, business phones, video conferencing, software, and services. Poly's wide range of communication solutions allows your business to stay connected regardless of your team's location. Our Telrexperts have helped thousands of clients in various industries, from government and education to healthcare and financial services.