SHURE

Koss

SRH440

Porta Pro KTC

Wired Headphone Specification

Wired Headphone Specification

Over Ear

On Ear

Dynamic, Neodymium

Neodymium

40 mm

NA

44 ohm

60 Ohms

105 dB/mW

101 dB/mW

10 Hz - 22000 Hz

15 Hz - 25000 Hz

500 mW

NA

CVC

NA

Black

Black, Blue

3.5 mm Gold Plated Stereo Plug

3.5 mm Gold Plated Jack

Tangle Resistant Cable

1.2 m

311 Gm

NA

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.

- 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