Heavy, heavy, heavy and more heavy - keep turning up the gain until you find the heavy you're looking for. Reviews and Info Power Supply Options Manufacturer's Site Harmony Central Hard wired:  No AC Adapter:  Yes Battery:  Included Guitar Effects Sales are Final.   Home > DIY Corner > Guitar Effect Pedals > Effects by Manufacturer > Guyatone Products > SD2   Home > DIY Corner > Guitar Effect Pedals > Pedals by Type > Distortion, Overdrive and Fuzz > SD2 Click image to enlarge Availability: Out of stock. GU-SD2Regular price: $59.95Sale price: $44.95

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