In-ear wired headphones Koss KEB9i

Name: In-ear wired headphones Koss KEB9i 189593
Brand: Koss
SKU: 1218766
Price: 11.99 EUR
Availability: OutOfStock

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In-ear wired headphones Koss KEB9i — intraaural, 18–20000 Hz, 1.2 m cable, blue

Short description

Koss KEB9i are wired in-ear (intraaural) headphones designed for calls and music. They offer a frequency response of 18–20000 Hz for clear audio reproduction and come with a 1.2 m cable for comfortable everyday use. The blue design provides a casual look while the compact in-ear form factor ensures portability and convenience for commuting, work, or leisure.

Warranty: 2 Years

SKU: 1218766

Manufacturer: Koss

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Product information

Description

Koss KEB9i are wired in-ear headphones designed for everyday use. Their intraaural form factor fits directly in the ear canal for compact portability, and the 18–20000 Hz frequency response covers a wide audio range suitable for voice calls, podcasts and music playback. A 1.2 m cable provides sufficient length for pocketed devices while keeping movement manageable. The blue finish gives a simple, casual appearance and the lightweight construction supports comfortable short-to-medium listening sessions.

Advantages

The Koss KEB9i deliver balanced audio across lows, mids and highs within the specified 18–20000 Hz range, enabling clear vocal reproduction and adequate musical detail. The wired connection ensures consistent signal delivery without the need for pairing or charging. The intraaural design improves passive noise isolation compared with open earbuds, while the 1.2 m cable provides a compromise between freedom of movement and tangle control. Compact size and low weight make these earphones convenient to carry and store.

Suitable for

Voice calls and conferencing with smartphones and tablets
Listening to music, podcasts and audiobooks during commute or leisure
Portable use with MP3 players, laptops and other devices with a headphone jack
Short recording checks and on-the-go monitoring

Key specifications

Ear coupling: intraaural (in-ear)
Connectivity: wired analogue connection
Frequency response: 18–20000 Hz
Cable length: 1.2 m
Wearing style: in-ear
Colour: blue

How to use

Insert the ear tips gently into the ear canals and adjust depth until a comfortable seal is achieved to improve bass response and passive isolation. Connect the plug to the device’s headphone jack. Control playback and calls using the connected device; these headphones do not contain onboard controls or a battery. After use, wind the cable loosely to avoid tight bends and store the earphones in a protective pouch to prevent damage.

Usage recommendations

For best audio clarity and comfort, try different ear tip sizes to find the optimal seal. Keep volume at moderate levels to protect hearing during extended use. When using on public transport or in busy environments, the intraaural fit helps reduce ambient noise but does not eliminate it entirely—remain aware of surroundings.

Specifications

Ear coupling: Ear coupling describes the way in which headphones or earphones stay attached to, or inside, the ear. There are three common types of ear coupling: circumaural, supra-aural and intra-aural. Circumaural headphones enclose your ears with large pads that suppress external noise. Supra-aural headphones are typically more lightweight and sit on top of the ears with small pads. Intra-aural headphones come in two basic designs and neither style sits on the head itself. The first are ear buds, which sit just outside of the ear canal, on top of your ear lobes. The second type is actually inserted directly into the ear canal and offers some external noise suppression.: Intraaural
Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.: Wired
Recommended usage: What the product should be used for, and how it should be used (e.g. ambient temperature).: Calls/Music
Product type: The sub-category of the product.: Headphones
Product colour: The colour e.g. red, blue, green, black, white.: Blue
Wearing style: The way in which the device is worn.: In-ear

All features

Headphones

Impedance: The effective resistance of an electric circuit or component to alternating current, arising from the combined effects of ohmic resistance and reactance.: 16 Ω
Headphone frequency: The range of frequencies (low to high sounds) that the headphones can produce.: 18 - 20000
Ear coupling: Ear coupling describes the way in which headphones or earphones stay attached to, or inside, the ear. There are three common types of ear coupling: circumaural, supra-aural and intra-aural. Circumaural headphones enclose your ears with large pads that suppress external noise. Supra-aural headphones are typically more lightweight and sit on top of the ears with small pads. Intra-aural headphones come in two basic designs and neither style sits on the head itself. The first are ear buds, which sit just outside of the ear canal, on top of your ear lobes. The second type is actually inserted directly into the ear canal and offers some external noise suppression.: Intraaural

Ports & interfaces

3.5 mm connector:: Yes
Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.: Wired

Performance

Sound pressure level (max):: 110 dB
Cable length: How long the cable is.: 1.2 m
Product colour: The colour e.g. red, blue, green, black, white.: Blue
Recommended usage: What the product should be used for, and how it should be used (e.g. ambient temperature).: Calls/Music
Wearing style: The way in which the device is worn.: In-ear
Product type: The sub-category of the product.: Headphones

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Customer reviews

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Customer questions

FAQ

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 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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, recommended usage, product type, product colour, wearing style, 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.

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In-ear wired headphones Koss KEB9i — intraaural, 18–20000 Hz, 1.2 m cable, blue

Short description

Product information

Description

Advantages

Suitable for

Key specifications

How to use

Usage recommendations

Specifications

Headphones

Ports & interfaces

Performance

Description

Similar products

Product comparison

Customer reviews

Customer questions

What payment options are available?

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

What is the warranty period?

Can the product be returned after purchase?

Where should I contact for warranty service?

How can I tell if this product suits my needs?