Amazon.com: MOOER Tender Octaver Pro, Stereo Octave Pedal with Adjustable between unison and +1/-1 octave Make Your Harmonization, Pitch Shifting, Whammy and Detune Chorus Effects : Musical Instruments
ENO T-CUBE TC-01 Effects pedal Octaver Red : Amazon.co.uk: Musical Instruments & DJ
DOD Effects Meatbox Octaver and Subharmonic Synthesizer Pedal - jimmyegypt.co.uk
TC Electronic Sub 'N' Up Octaver Pedal - World of Music
Boss OC-5 gitár/basszusgitár oktáv pedál | Gitár effekt