Basic Audio Shore BirdA refined "Rat" circuit with control over the low end and high end. Typically the Rat gets a bit boomy in the higher gain settings. The Low end can be adjusted in the Shore Bird to suit your amp guitar and gain settings. The Gain and Tone knobs have been tweaked for a smooth range of gain and tone. Some quotes from an owner: "The Shore Bird sounds bigger and a bit more agressive, like a RAT. I don't know exactly how to explain it, but the mids cut