Heil has introduced a new USB interface with built-in mic preamp and headphone output. The Heil USBQ Microphone Preamp w/ USB Out brings professional quality, low noise microphone preamplification complete with two band shelving equalization, on-board headphone amplifier and D/A converter in a compact, portable package. Not just an adapter, but a true single channel mic preamp complete with balanced XLR input mic level, switchable phantom power, Bass and Treble controls and adjustable headphone output level. The Heil USBQ is ideal for professional recording, commercial broadcasts and communicating over the internet. No batteries, just plug into USB and enjoy.