[1] It was marketed alongside its single-neck sibling, the Fender 400 At the time it was an innovative instrument but was quickly made obsolete as pedal steel players began to standardize on Emmons and Day setups requiring ten strings and knee levers in addition to pedals.

Other details such as foot pedal construction and bridge design also varied over the production life of the instrument.

The mute is activated by a lever at the rear of the bridge cover.

On the rear neck E7th was recommended with the remaining two pedals modifying this tuning.

This article relating to electric guitars is a stub.