AA.1 is designed to be your bridge between the world of guitar pedals and the world of Eurorack modular. This compact 4HP amplifier attenuator module has everything you need to interface your modular with your guitar effects pedals as well as with your guitar or bass. Most Eurorack modules output very hot audio signal levels that can easily overload the inputs of effects pedals or computer audio interfaces. The audio inputs in a Eurorack system also need to receive very hot signals. AA.1 amplifi