The HD 280 Pro Circumaural Closed-Back Monitor Headphones from Sennheiser feature a collapsible design with swiveling earcups and extended low end reproduction with a frequency response of 8 Hz to 25 kHz. Rejection of outside noise is high, rated up to -32 dB. Efficient neodymium magnets contribute toward an extended dynamic range and high output. The thick, padded leatherette earcups and adjustable padded headband allow for a precise and comfortable fit during extended periods of studio recording and mixing.