The SoundCheck Microphone takes your music to the next level with your PC or Mac. The contoured design feels great in your hand. Also features a convenient on/off switch and an internal dual-layer pop filter. Contoured body design for comfort Includes hard mount, case, and XLR cable. Model # 9900-40799-00 Features: Includes SoundCheck dynamic vocal microphone - Unidirectional capsule pattern Frequency response - 70Hz to 15kHz Internal two layer pop filter design On/off switch.