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Koss SP330

Photos - Headphones Koss SP330
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Outdated Product
Design: overhead, closed; swiveling earcups; Connection type: wired; mini-Jack (3.5 mm); Cable supply: single-sided; Cable length (m): 1.4; Detachable cable; Impedance (Ohm): 35; Frequency range (Hz): 20 – 25000; Sensitivity (dB): 101;
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Koss SP330
Type:on-ear
Connection:3.5 mm
Frequencies:20 – 25000 Hz
Sensitivity:101 dB
All specifications
Specifications SP330
Colour
Connection and design
Designoverhead, closed
swiveling earcups
Connection typewired
Connectionmini-Jack (3.5 mm)
Plugstraight
Cable supplysingle-sided
Cable length1.4 m
Cable typeround
Detachable cable
Specs
Impedance35 Ohm
Frequency range20 – 25000 Hz
Sensitivity101 dB
Emitter typedynamic
General
In boxcase
Added to E-CatalogNovember 2014
E-Catalog UK editor, Headphones
Olexandr Cherkashche…, edited 08.04.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Koss 2026 - new arrivals, bestsellers, and the most relevant models Koss.
Model overview based on user reviews  
The Koss SP330 delivers clean, balanced and detailed sound with a modest bass emphasis, while its low impedance makes it suitable for smartphones and basic players. The on-ear design can fit securely and comfortably, although fit may vary and some users experience pressure. The main concern is the construction, as several reports describe fragile plastic hinges and failures during normal use.
Pros

Cons

It’s a pity. Why didn’t the engineers think through the design?
28 July 2026 
The sound is excellent. Everything else concerning the headband design and holders is not. They broke after a month beyond repair.
Sound.
Design.
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