Tubes can really warm up a signal fast, giving it increased depth and character. Though transistors have succeeded the technology, many musicians agree that tubes deliver a far superior sound. A true audiophile 2-channel Mic/Line preamplifier, the ULTRA GAIN PRO MIC2200’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. The onboard fully parametric EQs provide unparalleled tonal characteristics, allowing you to sculpt instrument and vocal sounds with the ultimate precision and musicality.