Make the most of your pedalboard. The Analog Alien Power Pack is a clean, simple, and versatile booster. The Power Pack's buffered input and single gain make it the perfect choice for boosting the input stage of your amplifier. It also maintains gain and tonal balance throughout the signal path. Whether your signal needs a boost to compensate for pedal-induced signal loss, or you simply want to boost your amplifier, it will be difficult to find a more transparent tool. The Power Pack is designed to work with both guitar and bass.