Flashback X4 builds on the success of the compact Flashback pedal by providing 16 delay types in pristine TC Electronic quality and adding tap-tempo plus three presets for an instantly classic delay. Flashback X4 has a built in 40-second looper (with undo function). Independent loop and delay engines mean that you can combine advanced delays with looping to create powerful delay / loops!Flashback X4 is TonePrint enabled, allowing you to load up to 4 signature Flashback delay settings as provided and used by the biggest names in rock, from Steve Morse to Doug Aldrich and back. Main Features: 16 Delay Types 40 second looper with undo function Independent loop and delay engines TonePrint® enabled & Beam enabled Three Presets Tap Tempo True Bypass (optional buffered) Analog-Dry-Through Expression pedal input Stereo in- and output MIDI enabled Subdivision selector including dual delay 9 Volt DC power supply included