D 1 usb usb xlr dynamic vocal microphone with headphone outputthe d1usb is an all purpose dynamic microphone with usb connection which requires no additional drivers it has a perfect cardioid pickup pattern and a wide frequency range 50 hz 16 000 hz therefore it is usable for almost any sound source the clear and natural sound of the d1usb makes it the ideal microphone for use in podcast productions multimedia presentations and other applications for example rehearsal recordings