APW-7 DUAL MODE WHISH WAH

APW-7 is a Mid-Low range enhenced traditional Inductor-Transistor type Wah pedal. Most of Wah Pedals need the replacement of pot, but APW-3 is applied to MAGNETIC FIELD SENSING SYSTEM, so it is NO POT-NOISE and MAINTENANCE FREE. You can control Tone range of Wah with Range-Knob. It also makes 'Whistle' sound by adding Resonance using Whish Knob.