Hartke's HL77 Looper Pedal combines extensive features, an abundance of onboard memory and a simple user interface into a compact, rugged stompbox-style designfor guitarists and bassists looking to add layers to their creativity. Offering unlimited overdubs and 20 rhythm tracks in 3/4 or 4/4 time, the HL77 is the perfect creative addition to any guitarist/instrumentalist's arsenal. The HL77 offers over six hours of record time with 99 locations for storing your individual loop phrases. Real-time recording is logical and straightforward, even offering Undo/Redo functionality. A USB port allows importing and exporting of WAV files, while the 1/8 inch. (3.5mm) stereo input lets users sample loops and phrases from external devices. A playback level knob helps establish the proper blend between overdubs. To get you started, the HL77 includes 20 backing rhythm tracks in 3/4 or 4/4 time signatures, ranging from a simple metronome to full-kit drum tracks spanning various genres. The volume, tempo and time signature of the rhythm tracks can be adjusted for serious jamming. A selectable Auto Record mode and three different playback Stop modes provide additional loop control. This rugged, die cast stompbox packs great features into a compact footprint that can be easily integrated into your pedalboard. The HL77 operates on a single 9-volt battery or optional AC power supply. A bright LED readout helps to easily navigate through the current operating mode, phrase memory slots, rhythm number and other useful settings, especially on dark stages.