Top 10 best-selling Filter Pedal

The sleek form of the Carl Martin Ottawa is home to an envelope filter and auto wah. Carve out '60s style psychedelia, classic '70s style funk and plenty more.

The Gamechanger Audio Motor Pedal offers an electro-mechanical synth voice that takes your music to new heights. With unique modes and an expression pedal, you create sounds full of energy and intensity, full throttle!

Digitech present a special re-issue of their famous DOD Envelope Filter 440. The Envelope Filter 440 makes your guitar or bass 'talk' in famed funk-style with classic quacking sounds.

Mooer's Envelope is an extremely compact, attractively-priced, analogue filter/wah effects pedal. Thanks to its Q, decay, tone and sensitivity controls, it's highly versatile and works perfectly with guitar as well as bass.

Mooer's @Wah is an extremely-compact wah effects pedal. It has two settings (auto or touch) and five different wah filter modes in all. Adjustments can be made using the speed/gain and range controls.

This Nano edition Electro Harmonix stompbox neatly packs up the sound of the legendary Q-Tron and stuffs it inside a tiny metal box. Classic analogue envelope filtering effects courtesy of the masters.

The Float Dual Moving Filter from Old Blood Noise Endeavors is the ultimate stompbox for filter fanatics. It enables you to independently filter two signals to unique effect.

Made for guitarists who don't want to be tied to their wah pedal, the Mooer Funky Monkey auto-wah keeps things compact and can be set to focus on the low, mid or high frequency range.