Shure SRH440 Professional Studio Headphones Features:

• Enhanced frequency response delivers accurate audio across an extended range.
• Impedance and power handling optimized for performance with professional audio devices.
• Adjustable headband and collapsible construction provide comfort and portability.
• Bayonet clip securely locks detachable cable into ear cup.
• 40mm neodymium driver optimized for reference monitoring and accurate listening.
• Closed-back, circumaural design for superior isolation in noisy environments.
• Impedance and power handling optimized for performance with most pro and consumer audio devices.
• Adjustable, collapsible headband provides comfort and portability.
• Replaceable earcup pads ensure long product life.
• 3 m (10 ft.) coiled detachable cable provides plenty of length and easy storage and replacement.
• Carrying Bag protects headphones when on the go or not in use.

Shure SRH440 Specifications:

Transducer Type: Dynamic, Neodymium magnet
Driver Size: 40 mm
Frequency Response: 10 to 22,000 Hz
Sensitivity @ 1 kHz: 105 dB/mW
Impedance @ 1 kHz: 44 Ω
Maximum Input Power: 500 mW
Net Weight (without cable): 311 g (10.97 oz.)
Packaged Weight: 703 g (1.55 lbs)
Connector: Gold-plated 3.5 mm (1/8") stereo mini jack plug with 6.35 mm (1/4") threaded adapter
Cable: 3 m, (9.8 ft) coiled, detachable, non-PVC, Oxygen-free copper (OFC)

Each SRH440 Retail Box Includes:
(1) Shure SRH440 Professional 40mm Neodymium Studio Headphones
(1) HPAQA1 Threaded 1/4" gold-plated adapter
(1) HPACA1 Detachable coiled cable
(1) HPACP1 Carrying pouch