# Headset Koss KEB9i

**URL:** https://aio.lv/en/product--koss-189121--1217978
**Data updated:** 2025-12-29 05:42 (EET)
**Category:** Headphones
**Manufacturer:** Koss
**Manufacturer code:** 189121
**EAN:** 021299189122
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--koss-189121--1217978

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 22.06.2026 | 1.99 EUR |
| Courier delivery to door | 22.06.2026 | 4.99 EUR |

## Summary description

The Koss KEB9i is a wired in-ear headset designed for calls and music. With a frequency range of 18 - 20000 Hz, it delivers clear sound quality. The sleek black design adds a modern touch, making it a stylish choice for everyday use.

## Long description

The Koss KEB9i is a wired in-ear headset combining a slim black design with sound tuned for calls and music. It features an angled port for a secure, comfortable fit and a frequency response of 18–20,000 Hz to deliver clear audio for everyday use.
Advantages
The angled port improves fit and passive isolation, while wired connectivity ensures consistent signal without battery dependency. The in-ear (intraaural) design provides compact portability and straightforward operation for voice calls and audio playback.
Suitable for
Phone and voice calls
Music listening on mobile devices
Commuting and everyday use
Compact storage and travel
Key specifications
Brand: Koss
Model: KEB9i (MPN 189121, EAN 021299189122)
Type: Wired in-ear headset
Ear coupling: Intraaural (in-ear)
Frequency response: 18–20,000 Hz
Colour: Black
How to use
Insert the angled earbud gently into the ear canal until it feels secure. Connect the headset to a device with a compatible audio jack. Adjust the fit by rotating the earbud slightly for improved comfort and seal. Use the inline microphone (if present) to handle calls and the device controls to play, pause or change tracks.
Usage recommendations
For optimal sound and comfort, try different insertion angles and ensure a snug fit. Keep the connector and cable dry and avoid excessive pulling to prolong product life.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 18 - 20000 |
| Headphone sensitivity | 110 dB |
| Impedance | 16 Ω |
| Ear coupling | Intraaural |
| Intraaural headphones type | Earbuds |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| 3.5 mm connector | Yes |

### Performance

| Feature | Value |
|---|---|
| Product colour | Black |
| Headset type | Binaural |
| Wearing style | In-ear |
| Recommended usage | Calls/Music |
| Product type | Headset |

### Other features

| Feature | Value |
|---|---|
| Number of products included | 1 pc(s) |

### Packaging content

| Feature | Value |
|---|---|
| Extra earbuds | Yes |

## FAQ

### How much does the Headset Koss KEB9i cost, and is it available for purchase?

The price is 11.99 € (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 Wednesday 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: Cash payment, 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 Koss 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 Koss 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: ear coupling, connectivity technology, wearing style, 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/1217978/62259054_large.webp