Brooklyn ADC is arguably the highest performance and most transparent professional mastering 348kHz/32bit/DSD256 ADC available today. Used in many mastering studios in the US and the world Brooklyn ADC provides the highest capture transparency with flat  noise floor to 200kHz. Brooklyn ADC production has been discontinued over a year ago. The remaining new stock it offered here.
Brooklyn ADC is unique because it uses a special chipset not used in other ADCs, and thanks to this it has much lower distortion and flat noise floor to 200kHz. The elaborate input section features a relay controlled precision stepped attenuators and an option to insert nickel core audio transformer for enhanced subjective sound quality.
Brooklyn ADC and other Mytek DACs and ADCs can be found in many top US and world mastering studios, including Abbey Road Mastering, Sterling Sound, The Mastering Lab, Magic Garden, Library of Congress, Mcill University, George Massenburg, Michael Romanowski and many others.
Brooklyn ADC has been used for recording, mastering , old tape archiving, and vinyl transfer projects, including Plangent wow and flutter removal process whenever the highest capture fidelity was required.
Brooklyn ADC manual pdf with more technical information is accessible on the support page.