The Warm Audio Warm Lifter is an inline active microphone preamp designed for low-output dynamic and ribbon mics with premium features for live & studio use. Warm Lifter boasts 26dB of analog gain with true impedance matching, so any low-output mic you plug in will be professionally powered for connecting to audio interfaces or mixers. Beyond gain, Warm Lifter also has a 100Hz high-pass filter and a 3kHz high-shelf boost to sculpt tones. Warm Lifter is built with premium components and rugged material. Warm Lifters are 100% tested and inspected by trained technicians with a passion for making music in Austin, TX.