The MK 4 Large-Diaphragm Studio Condenser Microphone from Sennheiser is a condenser microphone with fine resolution and sound quality. It can be used for home studio engineers, production studios, and sound reinforcement applications. The Sennheiser MKS4 Elastic Suspension is designed for use with the Sennheiser MK4 condenser microphone. The mount protects against noise caused by vibration and shock, and the open ring allows the microphone to be positioned close to the sound source. 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.