CRYBABY - Mini Multi Wah. The 535Q is the - Swiss army knife" of Wah pedals. At half the size of a standard Crybaby pedal it provides control over the most important Wah parameters, making it easy for you to create your ultimate Wah tone. Select the frequency range to be swept by the pedal - from narrow and sharp to broad and subtle, this amazing Wah can deliver it. Includes adjustable, switchable boost that can create endless sustain on any note and the legendary red Fasel inductor. Hardwire bypass. Powered by 9 volt battery or AC adaptor (ECB003).