ml138The ML138 octal bio amp is compatible with PowerLab C. I just requires the MLAC878 Analog Cable for the Front End Interface (8 Channel). For further technical assistance with this orML-138 OBSOLETE DO NOT USE 0524 ROLLWAY BEARING | Cylindrical Roller Bearings ML138 - OBS. ML-138 OBSOLETE DO NOT USE 0524 Buy on from BDI – Bearing