# Expansion Microphones for HP POLY Trio 8300/8800 conference phones — model 85X00AA

**URL:** https://aio.lv/en/product--hp-poly-85x00aa--11016488
**Data updated:** 2026-03-31 13:04 (EEST)
**Category:** Conference Equipment
**Manufacturer:** HP POLY
**Manufacturer code:** 85X00AA
**EAN:** 197497585865
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 217.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 179.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-poly-85x00aa--11016488

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Expansion microphones compatible with HP POLY Trio 8300 and Trio 8800 conference phones (MPN 85X00AA). Designed to extend voice pickup range and improve audio coverage in larger meeting rooms, these microphones connect to the Trio base unit to add additional pickup points for participants. Suitable for hybrid meetings, conference calls and boardroom setups.

## Long description

Expansion microphones for HP POLY Trio 8300 and Trio 8800 conference phones provide additional audio pickup points to extend the voice capture range in larger meeting spaces. These wired expansion microphones connect to the Trio base unit to improve coverage for hybrid meetings, conference calls and boardroom setups by placing supplementary mics closer to remote participants and small discussion groups.
Advantages
These expansion microphones increase the effective pickup radius of the Trio 8300/8800 system, reducing the need to raise voices and improving speech intelligibility for remote attendees. They integrate with the Trio base unit to preserve the system’s echo cancellation and automatic gain control, maintaining consistent audio quality across multiple microphone locations. The design allows flexible placement to match room layout without changing the core conferencing hardware.
Suitable for
 Medium to large meeting rooms where the base unit alone does not cover all participants
 Boardrooms and hybrid meetings with distributed seating
 Conference calls requiring improved speech clarity for remote participants
 Training rooms and small group breakout areas needing localized microphone pickup
Key specifications
 Compatibility: Designed for use with HP POLY Trio 8300 and Trio 8800 conference phones
 Connection: Wired connection to Trio base unit for audio and control integration
 Coverage: Extends voice pickup range to reach participants located away from the base unit
 Audio handling: Works with Trio echo cancellation and automatic gain control systems
 Placement: Portable, adjustable placement to match room configuration
How to use
Connect each expansion microphone to the designated expansion port on the Trio 8300 or Trio 8800 base unit following the system’s cabling instructions. Position microphones near groups of participants or at table edges to capture voices clearly while avoiding physical obstructions. The Trio base unit recognizes connected expansion microphones and incorporates them into system audio processing; no separate mixing device is required. Verify audio levels from the conference phone interface and adjust placement as needed to balance pickup across the room.
Usage recommendations
Place expansion microphones approximately equidistant from seated participants and at least 30–50 cm from loudspeakers to minimize feedback. For optimal coverage in larger rooms, use multiple expansion microphones spaced evenly and test call audio before important meetings to confirm even speech intelligibility for remote attendees.

## FAQ

### How much does the HP POLY Trio 8300/8800 Expansion Microphones 85X00AA cost, and is it available for purchase?

The price is 217.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HP POLY products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP POLY service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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