# Conference audio processor Poly MDA524 QD USB — black, 0.14 kg

**URL:** https://aio.lv/en/product--poly-212164-01--3302627
**Data updated:** 2026-03-11 11:43 (EET)
**Category:** Conference Equipment
**Manufacturer:** HP POLY
**Manufacturer code:** 212164-01
**EAN:** 0017229164239
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 126.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 104.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--poly-212164-01--3302627

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Poly MDA524 QD USB is a compact conference audio processor designed for meeting and voice collaboration setups. The unit connects via USB and provides processing for conference audio workflows. It is black, weighs 0.14 kg, and suits integration with conference phones, headsets and room audio systems to manage audio routing and signal processing in professional meeting environments.

## Long description

Poly MDA524 QD USB is a compact conference audio processor designed for meeting and voice collaboration setups. The unit connects to a host via USB and performs signal routing and processing for conference and agent workflows. The device is finished in black and weighs 0.14 kg, making it suitable for desktop placement or integration into a small meeting-room audio rack where a compact, USB-based processing interface is required.
Advantages
The MDA524 QD USB provides unified handling of mixed call environments, enabling smooth switching between desk phones, softphones and USB-based systems. Integrated echo and noise cancellation, along with audio channel mixing capabilities, support clearer conversations and flexible audio distribution for recording, streaming or routing to other room systems. The form factor and USB connectivity simplify installation and reduce footprint compared with larger processors.
Suitable for
 Small and medium meeting rooms requiring USB-based audio processing
 Contact centre or agent desks that switch between phone and softphone calls
 Conference setups that need audio mixing for recording, streaming or agent monitoring
 Integrations with conference phones, headsets and room audio systems
Key specifications
 Connection type: USB interface for host connectivity
 Colour: Black
 Weight: 0.14 kg
 Audio processing: echo and noise cancellation and channel mixing (processor class functions)
 Physical format: compact desktop module suitable for integration with conference peripherals
How to use
Connect the Poly MDA524 QD USB to a host computer or compatible conference device using the USB interface. Integrate the processor with conference phones, headsets or room audio systems as required for your setup. Configure audio routing, channel mixing and any available device controls through the companion management or endpoint software on the connected host. Place the unit on a desk or secure it within a small AV enclosure where USB access and peripheral cabling are convenient.
Usage recommendations
For predictable performance, use the product with up-to-date host drivers and the manufacturer’s management software. Position the unit to allow easy access to USB connections and attached peripherals, and verify audio levels and processing settings in the meeting environment before productive use.

## Specifications

| Feature | Value |
|---|---|
| Brand compatibility | Plantronics |
| Product type | USB audio processor |
| USB port type | USB Type-A |

### Features

| Feature | Value |
|---|---|
| Compatibility | EncorePro 500/700 Series |
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.14 kg |
| Height | 32.4 mm |
| Width | 82.8 mm |
| Depth | 117.5 mm |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 85189000 |

## FAQ

### How much does the Poly MDA524 QD USB audio processor cost, and is it available for purchase?

The price is 126.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 03.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Poly MDA524 QD USB audio processor be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/3302627/58336252_large.webp

