From Xotic:The Super Sweet Boost (SSB) offers a dynamic and transparent +20dB clean boost perfectly tuned for transferring the articulation of your guitar playing. The SSB is incorporated with a high-performance Class A preamplifier built around the famous JRC4558 chip. The boost frequency can be selected by an external DIP switch that offers versatile tone shaping capabilities. Premium components have been selected to ensure maximum durability and tone quality throughout the circuit including a super heavy-duty footswitch, audio grade capacitors and custom designed potentiometer. There’s no doubt that it's everybody's dream to discover “THE TONE.” The SSB gives you the potential to discover new meaning in your guitar tone. Free Shipping Dimensions: 3.6" x 1.5" x 2" (92mm x 38mm x 53mm) Weight: .7lbs (317g) Power Consumption: 9v DC, 5mA Battery Type: 9v DC x 1 AC Adapter (optional): 9-18v DC negative tip (regulated) Input Impedance: 1M ohm Output Impedance: 1k ohm Parkway Music is an Authorized Dealer. Our shipments are always insured and packaged securely and professionally. All of our gear is fully inspected to meet our high-quality standards and checked over by in-house techs prior to shipping. Please feel free to reach out to us for more information!