Specifications:
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Effect Type: Auto-Wah / Envelope Filter 
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Technology: Optical (opto-coupler) for smooth, dynamic response 
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Modes: - 
High Pass: Emphasizes higher frequencies 
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Band Pass: Focuses on midrange frequencies 
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Low Pass: Highlights lower frequencies 
 
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Controls: - 
Drive: Adjusts the sensitivity of the envelope effect 
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Q: Modifies the bandwidth of the filter sweep 
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Tone: Functions as a high-pass filter to shape the tone 
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Level: Sets the output volume 
 
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Footswitches: - 
Bypass: Engages or disengages the effect 
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Mode Selector: Switches between the three filter modes 
 
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Power Supply: - 
9V DC (regulated), 30mA minimum 
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2.1mm female plug, center negative 
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Optionally powered by a 9V battery 
 
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Input Impedance: 1MΩ 
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Output Impedance: 330Ω 
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Signal-to-Noise Ratio: 56 dB 
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Dimensions: 4.72″ (W) x 3.74″ (D) x 2.2″ (H) 
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Weight: 0.94 lbs (approximately 427g) 
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Construction: Die-cast housing with mini-knobs and retro color scheme 











