Seymour Duncan PowerStage 700 Rackmountable Stereo Ampliifier 700w whammy Qu-16 has the power and

Qu-16 has the power and pedigree to deliver class-leading audio performance

Five-way pickup switching

• 'W' composite sandwich cone on midrange and subwoofer: neutral sound

The Marshall stack on the other hand has stayed in production ever since and has gone on to become the most recognizable rock 'n' roll icon

9V battery powered - over 100 hours use (alkaline)

Seymour Duncan PowerStage 700 Rackmountable Stereo Ampliifier 700w whammy Qu-16 has the power andDue to the current tariff situation, ETAs for Seymour Duncan in Canada are December 2025 PowerStage 700 is a revolutionary power amp designed specifically for guitarists using modelers, pedals and effects processors to create their tone.