The headphones shall be a circumaural, semi-open design with a self-adjusting headband. The headphones shall be designed for monitoring use. The headphones shall meet the following performance criteria: frequency range: 18 to 20,000 Hz, sensitivity: 96 dB SPL at 1 mW, electrical impedance: 32 ohms, power handling capability: 200 mW. The headphones shall be fitted with a 3 m single cable terminated in a 1/4" adapter jack. The net/shipping weight of the headphones shall be 249/463 g (8.7/16.2 oz.).
