Electro-Harmonix has a Dual Stereo Looper with Layering, USB - CDM Create Digital Music
Change a Free Form Guitar Loop into Quantize Loop. Sync it to MIDI Clock and to another Sequencer. - YouTube
TC Electronic | Product | DITTO X4 LOOPER
BOSS RC-500 Loop Station Guitar Looper | Kytary.ie
TC Electronic Ditto X4 Looper Pedal with Dual Loop Tracks, Sync and Serial Loop Modes, Decay Control, 7 Loop Effects, MIDI Sync, and Stereo I/O - Walmart.com
Infinity 3 Looper Pédale looper Pigtronix
Singular Sound Midi Sync Blackout Cable – Aarykin Music Factory
How to sync Boss RC30 looper to any tempo - PolarNoise
LEKATO Guitare Triple Looper avec Alimentation Enregistrement Synchrone Station de Boucle Électrique avec Fonction Tuner Pédale d'effet de Boucle de Guitare : Amazon.fr: Instruments de musique et Sono
TC Electronic | Product | DITTO X4 LOOPER
New to Looping and looking for feedback on potential setup (Notes in comments) : r/LoopArtists
TC Electronic Ditto X4 Looper Pedal | World of Music