# Sennheiser HD 300 PRO closed dynamic professional headphones S508288

**URL:** https://aio.lv/en/product--sennheiser-s508288--12088074
**Data updated:** 2026-03-13 09:01 (EET)
**Category:** Headphones
**Manufacturer:** Sennheiser
**Manufacturer code:** S508288
**EAN:** 4044155238556
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 205.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 169.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sennheiser-s508288--12088074

## Delivery options

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

## Summary description

Sennheiser HD 300 PRO are closed-back dynamic professional headphones designed for critical listening and monitoring. They provide isolation from ambient noise thanks to a closed design and are suitable for studio work, live monitoring, broadcast and detailed audio review. The model is referenced by manufacturer code S508288 and offers portable, robust use for audio professionals.

## Long description

Sennheiser HD 300 PRO closed dynamic professional headphones are designed for critical listening and monitoring in professional audio environments. The closed-back construction reduces ambient noise and helps maintain accurate monitoring in studios, broadcast booths and live-sound situations. These robust, portable headphones offer a balanced frequency response suitable for long sessions of editing, mixing and quality control.
Advantages
The closed dynamic design delivers effective passive isolation and controlled low-frequency response while minimizing sound leakage. Durable materials and solid build quality support repeated use in studio and on-location workflows. Lightweight ear cups and an adjustable headband provide a comfortable fit for extended monitoring. Cable connection and connector design ensure reliable signal transfer and compatibility with common audio equipment.
Suitable for
Studio monitoring and audio editing
Broadcast and podcast monitoring
Live sound checking and on-stage monitoring
Quality control and critical listening
Key specifications
Acoustic principle: closed-back dynamic transducers
Designed for professional monitoring with isolation from ambient noise
Comfort features: padded ear cups and adjustable headband for extended wear
Construction: robust, portable design suitable for frequent use
Intended use: studio, broadcast, live monitoring and audio review
How to use
Connect the headphones to your audio output using the appropriate cable and connector for your interface or console. Position the ear cups so they fully enclose the ears and adjust the headband for a secure but comfortable fit. For critical monitoring, allow a short acclimation period to the headphones and perform level checks at safe volumes before beginning detailed listening or loudness-critical tasks.
Usage recommendations
For accurate monitoring, use these closed professional headphones in a quiet control room or close-mic environment to limit external interference. Regularly inspect connectors and cable routing to prevent wear; store headphones in a protective case when not in use to maintain their mechanical integrity.

## FAQ

### How much does the Sennheiser HD 300 PRO headphones cost, and is it available for purchase?

The price is 205.49 € (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 Monday 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 Sennheiser HD 300 PRO headphones 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 Sennheiser 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 Sennheiser 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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