Named for the number of total seconds available in its 10 memory banks, the Electro-Harmonix 720 is a stereo phrase looper pedal designed for electric guitar. It provides a digital signal path for your loops, recording and playing them back at uncompressed sample rates and resolutions of 16-bit / 44.1 kHz, allowing you to store your loops in ten different, selectable memory banks. Also provided are capabilities for unlimited overdubs, undo/redo for deleting/restoring your last pass, half-speed and reverse effects, fadeouts, visible loop progress, and an analog dry-through pass for your un-effected signal.

The pedal offers a level knob for controlling the loop's output volume, while LED indicators display record, play, FX, and memory modes. Your dry signal will always remain at unity gain, and, while you’re adding overdubs, you’ll hear no loss of volume to previously recorded tracks in the loop.

A stereo signal path is provided, giving you two 1/4" input jacks and two 1/4" output jacks. In addition to plugging in a stereo instrument, you can also patch in external effects pedals through the right input jack. Should you wish to control certain parameters of the 720 Stereo Looper from a compatible, external footswitch, you can do so through the 1/4" TRS foot-control input jack.

All your recorded loops remain in their memory banks until you manually erase them. And, if you want to return your loop banks to its black, factory default state, you can do so globally by unplugging the pedal and holding down both footswitches. This saves you the trouble of having to erase each bank separately. The pedal takes 9V battery power, but includes a power supply to obviate the need for unscrewing the back panel whenever you need to replace a battery.