Requisite

Requisite Audio Engineering is a US-based audio equipment manufacturer founded in the mid-1990s by Danny McKinney, known for producing high-end analog signal processing gear such as preamps, compressors, and equalizers, which are highly regarded among audio professionals for their sound quality and craftsmanship.

Requisite L2M
Decades
Made In U.S.A.
Released in 2000 /
The Requisite OS1 Microphone Preamplifier MkII is a high-end analogue preamp designed for professional audio recording and mixing applications.
Made In U.S.A.
Released in 2008 /
The Requisite L2M Mastering Limiter MkIII is a high-end analogue hardware limiter designed for mastering engineers and is known for its transparent sound and precise control over dynamics.
Made In U.S.A.
Released in 2008 /
The Requisite PAL Preamplifier and Limiter is now in its Mk III version but retains all the goodness of previous version with some sonic improvements.