"Transparent & Simple! A very well thought out unit" - Gearank The Bright-Eye is a clean boost and buffer pedalthat uses a 9V or 18V centre-negative power supply,bringing the hi-fidelity signal-conditioning circuitryof the Red-Eye Preamp to a pedal-train format.Features- Input: high-impedance, 1 million ohms, maximum 12 volt peak-peak level.- Low-impedance output, 600 ohms, will drive all guitar pedals and amps effectively.- Clean, unclipped, output level, 9V power: 5V peak-peak, 18V power: 12V peak-peak- High-Quality Switchcraft 1/4-inch input, output and power jacks.- Boost button with volume control and boost light.- A light beam and photocell control boost to eliminate all button noise and popping.- A Mode switch selects flat or shaped frequency response.- Uses standard 9 or 18-volt pedal board, Boss-style, power: (center-negative, center-ground).- Internal filtering to reject radio-frequency interference from neon lights and cell phones.- Small Size: 1.25 x 1.5 x 3.75 inches. Weight: 6 ounces.