A k motiwala offers slip-rings commutators. The commutators devised by the company are precision instruments, that can be rebuilt or repaired for a fraction of the original cost. The company can also provide customized input/output cables [standard or pre-amplifier types], break out boxes, electrode selector interfaces, momentary stimulation switching units, etc., with the slip-rings commutators. These are available with up to 32 impedance and matching preamplifier channels mounted at the head stage. The features of the slip-rings commutator are low torque, low noise rotating electrical connection, optional fluid swivel compatibility in specific models. These are configured with complete standard input and output cables, available in distinct configurations of electrical channels.