100% new never used in factory box APW-7 is Whish Control function added version of APW-5 MAGNETIC FIELD SENSING SYSTEM and Tone Range Switch appried Wah pedal. It makes 'Whistle' sound by adding Resonance using Whish Knob. ■■ SPECIFICATION ■■ Power supply: DC9V Consumption: 14mA(active), 12mA(bypass) Dimension: 95.5(w) x 253(h) x 74(d) (mm) Weight: 1,2kg (include battery) APW-7 is a Mid-Low range enhanced traditional Inductor-Transistor type Wah pedal. Most Wah Pedals require regular pot replacement, but the APW-7 uses a MAGNETIC FIELD SENSING SYSTEM, so it is MAINTENANCE FREE, with no pot-noise. You can control the Tone range of the Wah with the Range-Knob. It also provides a 'Whistle' sound by adding Resonance using the Whish Knob.