A-M Systems manufactures high-quality, low-cost instruments and accessories for the neurophysiologist. Specializing in programmable stimulators and isolators, intracellular, extracellular, and patch clamp amplifiers. Come see our new Model 4100 High Powered Isolated Stimulator. Compatible with Windows, Apple OSx, iOS, Matlab, Labview, & Android. New for 2019 is a fully isolated battery powered version. For optogenetic investigations, the Optopatcher micropipette holder with integrated fiber optics provides unmatched accuracy in applying optical stimulation in an in-vivo patch clamp protocol. We also offer the widest range of glass, wire, and rod supplies used in neurophysiology laboratories, all at industry-low prices.