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Product Description
Product Description
Hertz MPC RD 4.0 4 AWG 50m Marine Power Cable with Tinned OFC Copper (MPCRD40)
The Hertz MPC RD 4.0 power cable is engineered for efficient current delivery in medium-to-high power marine audio systems. With a 4 AWG tinned OFC copper core and a robust marine-grade PVC jacket, it combines reliable current flow, long-term durability, and maximum flexibility for demanding installations.
Built for Consistent Power Delivery
This marine-grade power cable uses ultra-conductive tinned OFC copper to support reliable current flow and low-resistance power transmission. It is well suited for powering amplifiers, DSPs, or power distribution blocks where stable performance matters.
- 4 AWG cable size (21.2 mm²)
- Tinned OFC copper core
- Engineered for medium-to-high power systems
Marine-Grade Protection for Harsh Conditions
A rugged red PVC insulation layer helps protect the Hertz MPC RD 4.0 in real marine conditions while also providing clear polarity marking. The construction is engineered to withstand salt fog, humidity, abrasion, vibration, UV exposure, and oil, supporting long-term durability on the water.
- Red marine-grade PVC insulation
- UV-resistant jacket
- Oil- and abrasion-resistant construction
- Engineered for salt fog, humidity, and vibration resistance
Flexible Routing for Clean Installation
The flexible design simplifies cable routing in tight spaces and complex layouts, making it easier to build a clean and organized system. Its 50-meter spool format is ideal for extended marine installations that require longer cable runs.
- High-flex cable design
- 50-meter spool
- 164 ft. total length
- Designed for tight installation spaces
FAQs
- What type of system is the Hertz MPC RD 4.0 designed for? It is engineered for efficient current delivery in medium-to-high power systems.
- Is this cable suitable for marine use? Yes. It features marine-grade materials and is engineered to withstand salt fog, humidity, abrasion, vibration, and UV exposure.
- What can the Hertz MPC RD 4.0 be used to connect? It is suitable for powering amplifiers, DSPs, or power distribution blocks.
- How much cable is supplied? This model is supplied in a 50-meter (164 ft.) spool.

