The Stoel Music Systems Headphone Amplifier provides a high-fidelity headphone amplifier with a discrete transistor output section. It accepts mono or stereo signals. The signal is copied to the right...

The Stoel Music Systems XLR Line Input provides a balanced XLR input for line-level applications like mixers, outboard effects, and computer audio interfaces. The heart of this module is a...

Low-quality direct boxes tend to distort easily and lack bass response because they are usually designed for handling low-level signals from passive guitar pickups. In addition, modular synthesizers have very...