Tube Ultragain MIC300 Tubes can really warm up a signal fast, giving it depth and character. Though transistors have succeeded the technology, many musicians agree that tubes deliver a far superior sound. The TUBE ULTRAGAIN MIC300's hand-selected 12AX7 vacuum tube gives everything from microphones to acoustic or bass guitars that vintage tube vibe - in a dependable and highly-affordable package. Warm Up Your Digital Life The MIC300 is perfect for studio and live applications. The balanced 1/4" TRS and gold-plated XLR inputs and outputs give you maximum flexibility in either scenario. It derives its personality from a hand-selected 12AX7 tube with UTC (ULTRA-TUBE circuitry) technology for superior tube character and low-noise operation. The MIC300 is ideally-suited for use with standard digital recorders and sound cards, imbuing signals with the warmth, presence and classic tube-compression that will bring your digital tracks to life. Vintage Sound, Modern Soul The MIC300 gives you the sound quality of a vintage tube preamp and high-end DI box all-in-one - at a mere fraction of what a true relic of the 1960s would cost. At a price this low, you owe it to yourself to find out where the MIC300's real tube tone can take your sound.