[used] Source Audio SA126 Bass Envelope Filter Soundblox

21 filters and high quality D/A and A/D converters.

The tone is quite easy to use, and the controls are simple.
It is simple to control nuances that are difficult to control with analog auto-wahs, such as how fast it goes from wah to wah and how up or down it goes.

It is a high quality design with a high degree of perfection.

In good working order.
Minor scratches are scattered.
The resin on the knobs has deteriorated and is sticky.

Comes with a 3-month warranty.

Will be shipped in a sturdy cardboard box.
International shipping is available.