RAAL SR1a Ribbon Headphone with Amplifier/DAC Options
Raal requisite - SR1a | Headphone Shop
Reference Audio Systems - RAAL-Requisite World's first Earfield™ Monitor – True-Ribbon™ headphone The SR1a by RAAL-requisite is the world's first Earfield™ Monitor. Experience mixing, mastering, and home listening with unparalleled accuracy and