Check the listing for details. API 3124MV 4-channel Microphone Preamp. Condition: New. Listed at 3795.00 USD. API's 3124MB Gets an Upgrade The API 3124MV adds transformer tap selection to the company's popular 3124MB+ 4-channel mic/instrument preamp. The 3124MV packs legendary API console sonics and performance into an easy-to-use, premium-quality rackmount unit — complete with a built-in stereo mixer. Whether you're capturing vocals or plugging in an instrument, you'll definitely appreciate the 3124MV. It uses the same preamp circuit found in API consoles, plus the same input and output transformers you'll find throughout the API range — a recipe for classic API sound. Want instant vintage character? A 3:1 output transformer tap selection lets you switch in additional harmonic saturation. This preamp provides a robust gain range, making it useful for a variety of input sources.