# In-ear headphones Sennheiser CX 300-II Precision — wired stereo earbuds, black

**URL:** https://aio.lv/en/product--sennheiser-502737--10966647
**Data updated:** 2026-02-13 15:44 (EET)
**Category:** Electronics Accessories
**Manufacturer:** Sennheiser
**Manufacturer code:** 502737
**EAN:** 4044155043006
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 25.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sennheiser-502737--10966647

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Sennheiser CX 300-II Precision are wired in-ear headphones designed for everyday listening. They provide stereo sound via a 3.5 mm connection and come in black. Compact housings and included ear adapters ensure a stable fit and passive noise isolation. Suitable for mobile devices, laptops and portable audio players — convenient for commuting and daily use.

## Long description

Sennheiser CX 300-II Precision are wired in-ear headphones designed for everyday listening. These black stereo earbuds connect via a standard 3.5 mm jack and feature compact housings that sit discreetly in the ear. The package includes multiple ear adapters to help achieve a stable fit and passive noise isolation, making them suitable for use with mobile phones, laptops and portable audio players during commuting and daily activities.
Advantages
The CX 300-II Precision deliver balanced stereo sound with clear midrange and defined bass for a variety of music genres. Compact, lightweight housings reduce ear fatigue, while included silicone ear adapters provide a customizable fit and improved passive noise reduction. The wired 3.5 mm connection ensures compatibility with a wide range of devices without the need for pairing or charging.
Suitable for
 Commuting and public transport audio playback
 Listening to music on mobile devices and portable players
 Use with laptops and tablets for media and calls
 Everyday casual listening at home or outdoors
Key specifications
 Driver type: dynamic in-ear drivers
 Connection: wired 3.5 mm stereo jack
 Design: closed in-ear earbuds with passive noise isolation
 Cable: fixed cable with right-angle or straight 3.5 mm plug (model variant dependent)
 Included accessories: multiple sizes of silicone ear adapters for fit adjustment
 Color: black
How to use
Select the silicone ear adapters that provide a comfortable, snug seal in each ear. Insert the earbuds gently into the ear canal and adjust their position for balanced sound and optimal passive noise isolation. Plug the 3.5 mm connector into the audio output of your device. Control playback and calls using your device; the headphones do not require pairing or charging. After use, store the earbuds with the cable coiled loosely to avoid kinks and protect the housings from impact.
Usage recommendations
For best sound and isolation, try different ear adapter sizes to find the best seal. Keep volume at moderate levels to protect hearing. Avoid pulling the cable when disconnecting; grip the connector instead. Clean the ear adapters periodically to maintain hygiene and sound clarity.

## FAQ

### How much does the Sennheiser CX 300-II Precision in-ear headphones cost, and is it available for purchase?

The price is 30.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 76 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 02.07.2026 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. 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 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

https://aio.lv/img/cache/product/10966647/61386132_large.webp