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Benefit with campaign price This product has a special price of 29,90 € valid between 16.4.2026 - 10.5.2026 or while the campaign quantity lasts. Remaining campaign qty: 10/10. The lowest price for this product during the last 30 days prior the campaign start was 34,90 €.

Ports & interfaces
Connectivity technology	Wired
USB connectivity
3.5 mm connector
Weight & dimensions
Weight	80 g
Microphone
Microphone type	Not available
Headphones
Headphone frequency	15 - 25000 Hz
Headphone sensitivity	101 dB
Impedance	60 Ω
Ear coupling	Supraaural
Total Harmonic Distortion (THD)	0.2%
Packaging content
Quantity	1
Performance
Cable length	1.2 m
Product colour	Black, Red
Headset type	Binaural
Wearing style	Neck-band
Recommended usage	Music
Product type	Headphones
EAN	0021299164587
Warranty	1 year

The Koss Porta Pro is a set of wired on-ear headphones featuring a supraaural, open-back design. The audio is characterized by a frequency response range of 15 Hz to 25,000 Hz and an impedance of 60 ohms. With a sensitivity of 101 dB, these headphones are engineered for use with a variety of audio sources, from portable devices to home audio systems. The primary connection is a standard 3.5 mm audio jack, ensuring broad compatibility.

Designed for portability and comfort, this model utilizes a neck-band wearing style and has a total weight of 80 grams. The structure is foldable, which facilitates storage and transport. The open-back construction allows the user to maintain awareness of their surroundings while listening. A fixed 1.2-meter cable provides sufficient length for typical use with personal devices or at a desk. The fit is intended for extended listening sessions without significant pressure on the ears.

Key Features:

Type & fit: On-ear (supraaural) with neck-band
Connectivity: Wired with a 3.5 mm connector
Audio frequency: 15 Hz – 25,000 Hz
Impedance rating: 60 ohms
Sensitivity level: 101 dB
Cable length: 1.2 meters
Weight: 80 grams

Multitronic Vaasa: 10 pcs
Estimated delivery: Today

Multitronic Pietarsaari: 0 pcs
Estimated delivery: 21.04 - 24.04

Multitronic Jyväskylä: 0 pcs
Estimated delivery: 21.04 - 24.04

Multitronic Lappeenranta: 0 pcs
Estimated delivery: 21.04 - 24.04

Multitronic Mariehamn: 0 pcs
Estimated delivery: 21.04 - 24.04

Fetch from the shop
Estimated delivery time: 21.04 - 24.04

Free

Posti: Parcel lockers and service points
Estimated delivery time: 21.04 - 23.04

3,90 €

Posti: Postal package
Estimated delivery time: 22.04 - 24.04

3,90 €

Matkahuolto: Parcel lockers and service points
Estimated delivery time: 22.04 - 24.04

3,90 €

Posti: Doorstep delivery
Estimated delivery time: 22.04 - 23.04

6,90 €

Matkahuolto: Business Parcel
Estimated delivery time: 21.04 - 24.04

12,90 €

Matkahuolto: Home Parcel
Estimated delivery time: 21.04 - 24.04

12,90 €

Posti: Home delivery
Estimated delivery time: 22.04 - 23.04

16,90 €

The above technical details are for reference only and may change without notice. We reserve the right to correct printing errors and use illustrations for guidance. Some text may be auto-generated or machine-translated, which could lead to inaccuracies.