With years providing audio solutions to the finest musicians and engineers in the music industry. Meters by Ashdown have now engineered these affordable yet professional closed-back headphones. Using 50mm dynamic drivers to deliver an accurate response across the whole audio spectrum and easily replaceable cables and ear pads make these ideal for use in the studio. Features: Driver size 50mm Sensitivity 104dB SPL/V @ 1 kHz Rated impedance 64 ? Cable length 3m Maximum input power 200mW Type Stereo plug 3.5mm (1/8-inch) with 6.3 mm (1/4") push fit adapter Specifications: Dimensions: H:11.0 x W:11.0 x D:4.8 cm Colour: Black Guarantee:1 year Material: Plastic - Metal Model Number: NOVU-1-BLACK