Check the listing for details. Keeley Aurora Digital Reverb Guitar Effects Pedal. Condition: New. Listed at 179.00 USD. From the distant echo of cathedrals to 600-pound sheet-metal plate vibrations to spring reverb coils in a tank, reverb captures our imaginations and plunges us deeply into our musical psyches. Few effects complement a guitar better than reverb.At Keeley Electronics, the Aurora Reverb had to meet certain specific criteria: It had to be affordable with no compromise to audio quality; easy for guitarists to use and be inspiring; and offer the essentials for tailoring your tone without a dozen knobs to learn. The final product does all of that with a true-bypass, 100% dry analog path, low noise, 24-bit, high-fidelity reverb processor.The Aurora Reverb's controls offer everything from pristine fast reflections to ethereal spaces to deep, dark, and endless caverns.