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. Tech Specs • Inline Active Microphone Preamp • Ultra Low Noise JFET Input • Balanced (In/Out) Signal Path • 26 dB of True Analog Gain • Selectable 100 Hz (12 dB) High-Pass Filter ¦ Selectable 3 kHz (2.5 dB) High-Shelf Boost • Input Impedance: 2.4k Ohm ¦ Output Impedance: 150 Ohm • Max-Input: -11 dBu (218mV rms) ¦ Max-Output: 15 dBu (4.36V rms) • THD+N @ 15dBu: -100dB (0.001%) • Output Noise: 7.75 uV (A-weighted) with 150 Ohm Input • Frequency Response: 10-100kHz +/-0.2 dB • 48v Phantom Powered with 4.7mA Current Draw