Koss

SHURE

Porta Pro KTC

SRH440

Wired Headphone Specification

Wired Headphone Specification

On Ear

Over Ear

Neodymium

Dynamic, Neodymium

NA

40 mm

60 Ohms

44 ohm

101 dB/mW

105 dB/mW

15 Hz - 25000 Hz

10 Hz - 22000 Hz

NA

500 mW

NA

CVC

Black, Blue

Black

3.5 mm Gold Plated Jack

3.5 mm Gold Plated Stereo Plug

1.2 m

Tangle Resistant Cable

NA

311 Gm

- Koss Touch Control (KTC) remote and microphone technology, made for iPhone®, iPad® and iPod®
- Comfort Zone setting on temporal pad for comfortable, secure fit
- The ultimate active headphones with a collapsible headband design for protective storage
- Dynamic element for extended frequency response
- Oxygen-free copper voice coils deliver deep bass and signal clarity
- Includes a convenient carrying case for protective storage
- Covered under the Koss Stereo phones Limited Lifetime Warranty

Legendary Shure quality withstands the rigors of everyday use.
Closed-back, circumaural design for superior isolation in noisy environments.
Enhanced frequency response delivers accurate audio across an extended range.
Adjustable headband and collapsible construction provide comfort and portability.
40mm neodymium driver optimized for reference monitoring and accurate listening.
3 meters coiled detachable cable provides plenty of length and easy storage and replacement
Closed-back, circumaural design rests comfortably over the ears and reduces background noise.
Impedance, power handling and sensitivity optimised for professional and personal audio devices.
Includes detachable coiled cable, carrying bag, threaded ¼” (6.3 mm) gold-plated adapter and two-year warranty.