Audio Technica ATH-COM2 Stereo/dynamic Boom Mic Combination Headset With two earphones for stereo sound and a neodymium dynamic microphone for accurate vocal pickup, the ATH-COM2 is ideal for hands-free computer and multimedia applications. The flexible mic boom, cushioned ear pads and lightweight design provide added convenience and prolonged listening comfort. The open-back dynamic headset features a frequency response of 30 to 20,000 Hz, a sensitivity of 90 dB and a maximum input power of 50 mW.