The Aria AOC-1 Octaver Pedal Vintage in Box is a rare vintage 1980s Japanese analog octave effect for guitar, housed in a simple stompbox that produces a thick sub-octave one and two octaves below your input while blending with your dry signal. Made around the same era as early Boss octave pedals, it runs on 9 V power and is prized by collectors and players looking for classic analog octave tones and quirky vintage character in a compact unit with its original box.