Focusrite Clarett 4Pre USB Studio-Grade for Music Makers Four Low-Noise Low-Distortion Mic Preamps providing

Four high-performance Clarett+ preamps - Hear every nuance and capture clear and powerful audio with preamps that bring masses of headroom, low distortion and ultra-low noise.
Make vocals shine with all-analogue Air - Premium, relay-controlled analogue circuitry on every preamp emulates the classic Focusrite ISA110 by switching the impedance to 2.2kΩ and adding two cumulative high shelves, totalling a 4dB boost in the high frequencies.
New and improved A-D and D-A converters - Create tighter mixes and make more accurate recordings with extremely high-performance, independent A-D and D-A converters, which deliver extremely low noise, low distortion and high dynamic range.
Two improved, powerful, true-to-life analogue headphone outputs - Twin outputs provide a flat frequency response at all output levels with any type of headphones, to inspire the best-sounding recordings and mixes, and evoke amazing vocal performances.
Two JFET instrument inputs - Dedicated, ultra-high-impedance JFET instrument inputs, with extremely wide audio bandwidth, mimic guitar amp inputs to preserve the natural tone of guitars and capture their true character.