Stinger SI4220 4000 Series 2 Channel RCA Interconnect Cable 6.1 Metre with C3 Technology and Shoc-Krome Connectors The SI4220 from Stinger is a 2 channel RCA interconnect cable from the 4000 Series range, measuring 6.1 metres (20ft) in length. Built with oversized OFC conductors, Continuous Connection Construction (C3 Technology), split-tip Shoc-Krome plated connectors, and directional twisted-pair construction, it delivers audiophile-grade signal transfer with strong noise rejection across both channels. A lifetime warranty against manufacturer defects is included. Product overview The Stinger 4000 Series RCA range is built for car audio installations where signal integrity, noise rejection, and long-term reliability are priorities. The SI4220 uses C3 Technology (Continuous Connection Construction), which provides unmatched signal transfer and improved frequency response by eliminating the signal discontinuities that affect lesser cable constructions. The directional twisted-pair winding pattern actively protects against electromagnetic interference across the full 6.1 metre length, maintaining clear channel separation in demanding installation environments. The split-tip Shoc-Krome plated connectors maximise contact surface area for superior signal transfer at each connection point, while the moulded strain reliefs protect the cable at the connector entry point against fatigue from repeated flexing. The minimalistic clear protective jacket reduces friction during installation, and colour-coded channel identification simplifies connection of both channels to the correct amplifier inputs. Features and benefits C3 Technology (Continuous Connection Construction): Provides unmatched signal transfer and improved frequency response by maintaining a continuous, consistent conductor path throughout the cable length, eliminating the signal discontinuities common in lesser RCA cables. Oversized OFC conductors: Oxygen-free copper conductors in an oversized gauge reduce resistance and maximise signal transfer across both channels for audiophile-grade sound quality. Directional twisted-pair construction: The directional twisted-pair winding pattern protects against electromagnetic interference and broadens dynamic range, maintaining clear channel separation across the full cable run. Split-tip Shoc-Krome plated connectors: The split-tip design maximises contact surface area between the plug and socket for superior signal transfer, with Shoc-Krome plating providing excellent conductivity and corrosion resistance at each connection point. Moulded strain reliefs: Strain reliefs at each connector entry point protect the cable against fatigue from repeated flexing, contributing to the long-term durability that supports the lifetime warranty. Colour-coded channel identification: Each channel is colour-coded for clear identification, simplifying the connection of both channels to the correct amplifier inputs during installation. Lifetime warranty against manufacturer defects: The SI4220 is covered by Stinger's lifetime performance warranty against manufacturer defects, reflecting the brand's confidence in the long-term reliability of the 4000 Series range. What's in the box 1x Stinger SI4220 4000 Series 2 Channel RCA Interconnect Cable (6.1 metres) Technical specs Specification Detail SKU SI4220 Brand Stinger Series 4000 Series Channels 2 Channel Cable Length 6.1 Metres (20ft) Conductor Type Oversized OFC Construction Directional twisted-pair, C3 Technology Connector Plating Shoc-Krome Connector Type Split-tip Jacket Clear minimalistic protective jacket Weight 0.074 kg Dimensions 14 x 15 x 2 cm Warranty Lifetime against manufacturer defects Frequently asked questions What is the difference between the SI4220 and the SI4417 or SI4617?All three are 4000 Series RCA interconnects with identical construction and specification. The SI4220 is a 2 channel cable at 6.1 metres, suited to monoblock or 2 channel amplifier installations. The SI4417 is a 4 channel cable at 5 metres, and the SI4617 is a 6 channel cable at 5 metres. Select the channel count and length that matches your head unit's RCA output configuration and installation cable run requirements. What is C3 Technology?C3 stands for Continuous Connection Construction. It is Stinger's proprietary cable construction method that maintains a continuous, consistent conductor path throughout the cable length, eliminating the signal discontinuities that can degrade frequency response and signal transfer in lesser RCA cables. What does a 2 channel RCA cable connect to?A 2 channel RCA interconnect connects a head unit with 2 channel RCA outputs to a 2 channel or monoblock amplifier, covering a stereo left and right signal channel pair. It is the most common RCA configuration for subwoofer amplifier connections. Contact us if you need guidance on confirming your head unit's output channel configuration before purchasing. Does the SI4220 include a warranty?Yes. The SI4220 is covered by Stinger's lifetime performance warranty against manufacturer defects. Contact us for further details on warranty claims and conditions. Is the SI4220 available in other channel counts or lengths?The Stinger 4000 Series RCA range includes cables in various channel counts and lengths. Contact us to confirm the full range of available options to suit your specific installation requirements. Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today! h2, h3 { color: #000080 !important; } h2 { font-weight: bold; margin-top: 1rem; margin-bottom: 0.5rem; } h3 { font-weight: bold; margin-top: 1rem; margin-bottom: 1rem; }
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