The HELIX CAP 33 is a suppression capacitor designed for car audio systems to reduce alternator whine and stabilize supply voltage to amplifiers. It features an extremely low inner resistance to minimize interference and preserve audio quality.

Built as a compact high-power capacitor, the CAP 33 provides 33,000 uF of capacitance with a 30 V maximum rating. Its dimensions are 35 mm diameter by 110 mm length and it operates across a wide temperature range. The package includes the alternator noise suppressor CAP 33, an anchoring clip, and an instruction manual for installation.