i cable ECG or IBP Multiplier. 1/8″ (3.5mm) three circuit phone plug IBP output of Philips blood pressure module or ECG output of the Zoll M Series defibrillator adapted to be three 1/4″ (6.35mm) phone jacks. Allows simultaneous connection to a defibrillator, balloon pump, ultrasound, pacer programmer or other physiologic monitor via MAGUIRE multiplier cables (excluding bifurcated dual signal cables). Learn how these low cost products simplify patient setup, reduce cable clutter and enhance any physiologic monitoring system.