Cardas Connector RCA-C-SS Series RCA Cover Cap
Best protective solution for audiophiles looking to shield unused RCA inputs.
Protect your audio equipment's RCA connectors with Cardas Connector RCA-C-SS Series RCA Cover Caps. These caps are crafted from billet brass and plated with rhodium over nickel, effectively preventing EMI and RFI interference from entering your chassis. Designed to fit over unused female RCA connectors, they offer a non-shorting solution that safeguards delicate RCA plugs from dust and corrosion. Each cap features a distinctive Cardas Nautilus insignia, adding a premium aesthetic to your sound setup. They are sold as a set of 12.
$60.00
Owner Satisfaction
4.6
/ 5
Category Rank
101
/ 279
#101 in Audio Accessories
Price vs Category Average
-73%
Below average
Material
Nickel-plated billet brass body
/ Nickel-plated billet brass body
Who it's for
- Audiophiles seeking a lower noise floor for their system
- Owners of high-end gear valuing premium build and aesthetics
- Collectors wanting to preserve equipment longevity and contact integrity
Who should skip it
- Listeners with standard systems unlikely to notice subtle improvements
- Budget-conscious buyers looking for affordable protective accessories
- Users with compact amplifiers featuring tightly spaced RCA jacks
Performance breakdown
EMI/RFI Shielding
Rhodium-plated brass provides a robust barrier against unwanted signal interference.
Build Quality
Precision-machined billet brass ensures long-term durability and a premium feel.
Connector Protection
Effectively seals unused ports against dust, oxidation, and environmental corrosion.
Aesthetic Appeal
The iconic Nautilus insignia adds a sophisticated touch to any high-end system.
Safety Design
The non-shorting architecture guarantees complete safety for your sensitive audio components.
Installation Ease
Simple friction-fit design allows for quick application on any standard RCA.
Key Specs
Material
Nickel-plated billet brass body
Plating
Rhodium-plated
Design
Non-shorting
Protection
Prevents EMI and RFI
Compatibility
Fits over unused female RCA connectors
Unit of Measure
Set/12
Features
- Shields against EMI and RFI
- Protects RCA connectors from dust and corrosion
- Non-shorting design for safety
- Premium aesthetic with Nautilus insignia
- Durable billet brass construction
What customers say
Owners consistently praise these RCA caps for their superior construction and refined aesthetic. The solid brass design finished with silver and rhodium plating offers a secure fit that protects unused inputs from dust and interference. Many enthusiasts value the way these covers contribute to a cleaner look and a more stable audio environment. The build quality feels substantial and purposeful. While positioned as a premium accessory, the long term reliability and polished appearance justify the cost for those prioritizing equipment care and system integrity.
Know before you buy
These caps serve two main functions: they protect your unused RCA jacks from dust and oxidation, and they act as a shield to prevent electromagnetic (EMI) and radio frequency (RFI) interference from entering your equipment's signal path.
No, the Cardas RCA-C-SS caps feature a non-shorting design. They are specifically engineered to be safe for use on active equipment without interfering with the internal circuitry.
Yes, these are designed to fit any standard female RCA connector. They provide a secure fit to ensure the port remains sealed against environmental contaminants.
The rhodium-over-nickel plating provides a highly durable, corrosion-resistant finish. Beyond its longevity, it ensures the caps maintain a premium look while effectively blocking external interference.
Each set includes 12 individual RCA cover caps, which is typically enough to cover the unused inputs on most high-end preamplifiers, DACs, or integrated amplifiers.
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$60