SRH840 Professional Monitoring Headphones feature a precisely tailored frequency response that delivers rich bass, clear mid-range and extended highs. Optimized for studio recording and critical listening Closed-back, circumaural collapsible design Detachable, coiled cable Includes SRH840, threaded 1/4" gold-plated adapter, carrying bag, replacement ear pads, and user guide Designed for professional audio engineers and musicians, the SRH840 Professional Monitoring Headphones from Shure are optimized for studio recording and critical listening. A precisely tailored frequency response and 40mm neodymium dynamic drivers combine with total comfort and durability to provide the ultimate listening experience. The replaceable cable and included set of replacement ear pads ensure a long product life. Also includes threaded 1/4" (6.3mm) gold-plated adapter. Features Precisely tailored frequency response delivers rich bass, clear mid-range and extended highs. Wide, padded headband provides ergonomic fit for superior comfort over extended periods Closed-back, circumaural design rests comfortably over the ears and reduces background noise Collapsible design for easy storage and portability. Legendary Shure quality to withstand the rigors of everyday use Bayonet Clip securely locks cable into ear cup Replaceable ear cup pads included to ensure long product life 3m (10ft) coiled detachable cable provides plenty of length and easy storage and replacement Carrying bag protects headphones when on the go or not in use Specifications: Sensitivity 102 dB/mW lmpedance 44 Ω Maximum Input Power 1000 mW Frequency Range 5 Hz - 25 kHz Weight 0.7 lb (317.5 g) Cable Length 3 meters (9.84 ft) Cable Style Detachable coiled oxygen-free copper Plug Gold-plated 1/8" (3.5 mm) stereo mini jack Warranty: 2 years.