and the E-Mitter captures the energy it needs to function

The ends of the cable are left bare to be wired to your input device

Up to 10 mA pulsed current output

AC/DC coupling

It features exceptionally low noise

BMA-400 4 Channel AC/DC Pre-Amplifier Snuggle and the E-Mitter captures the4 Channel AC DC Preamplifier w 4 ICA 400 Input Cables, includes international power supply; electrode leads sold separately The BMA 400 AC DC Bioamplifier is a low noise, four channel instrument for amplifying EEG, ECG, EMG, and other extracellular biopotential signals. It features exceptionally low noise, a wide gain range, and sharp cutoff bandpass filters. It can be used as a stable DC amplifier, and includes adjustable DC input offset controls.