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Oxygen Free Copper RCA Cables

Find oxygen-free copper RCA cables to connect compatible audio components, such as receivers, amplifiers, and source devices. Compare cable lengths and connector configurations to match your setup, and check that the RCA connections suit the inputs and outputs on your equipment.

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  1. Best Buy essentials™ - 12' Stereo Audio RCA Cable - Black

    SKU: J2FPJK9S2G

    Great product and value...Really love these new Best Buy essential cords....It was great Best Buy had this in stock. Exactly what I needed to get my turn Table going

    Product Description

    A black RCA cable with copper braided shielding delivers clear stereo audio and easy, color-coded connections.
    See all A/V Cables & Connectors
    Your price for this item is $7.99

  2. Best Buy essentials™ - 6' Stereo Audio RCA Cable - Black

    SKU: J2FPJK9SCL

    Always the best cables and accessories. They always have everything....Great quality and simply work as advertised. A Best Buy!...Best buy saves the day again I love plug and play...Work great

    Product Description

    A black RCA audio cable with copper braided shielding for clear sound and easy, color-coded connections.
    See all RCA Cables
    Your price for this item is $5.99

  3. Best Buy essentials™ - 25' Stereo Audio RCA Cable - Black

    SKU: J2FPJK9S2R

    Great product, exactly what I needed. Best But comes thru again. . . Great job!...Always great quality cables. When I'm in a pinch to make something work, Best Buy has what I need.

    Product Description

    A black RCA cable with copper braided shielding and nickel-plated connectors for clear, reliable stereo audio.
    See all A/V Cables & Connectors
    Your price for this item is $19.99

  4. AudioQuest - Irish Red RCA 16.4' Analog Low-Frequency Subwoofer Audio Interconnect - Red on Black

    SKU: J7QX8PWJLZ

    Great Quality...Best quality you can find for your home audio setup....This is a fantastic cable for those that seek the best....Really great product, solid build, even the packaging emotes attention...

    Product Description

    A red-on-black RCA cable with silver-plated copper and noise-dissipation for clear, high-quality subwoofer audio.
    See all Speaker Wire & Cables
    Your price for this item is $199.95

  5. Metra - 10AWG Complete Amp Kit - Multi

    SKU: J7RX7L59WF

    Worked great. The Best Buy installer did a great job...Great product...Great productI love the quality of the product yes I would recommend

    Product Description

    A complete multi-colored amp kit featuring oxygen-free copper cables for durable, high-quality car audio installation.
    See all Amp Installation Kits
    Your price for this item is $39.99

  6. KICKER - K-Series Interconnects 16.4' Audio RCA Cable - Blue

    SKU: JXHZRT8T7C

    Best Buy installed in my truck and the quality seems great....Great purchase...Solid Cables and solid service from Best Buy. Thanks guys

    Product Description

    A blue RCA audio cable featuring dual-mold connectors and OFC wire for clear, high-quality sound.
    See all RCA Cables
    Your price for this item is $23.99

  7. KICKER - K-Series Interconnects 19.7' Audio RCA Cable - Blue

    SKU: JXHZRT8T7K

    Works great...[Employee of bestbuy] These worked great for my amplified stereo system, id definitely recommend getting...them installed at best buy!...Excellent product was delivered on time no issues...

    Product Description

    A blue RCA audio cable with silver-tinned OFC wire for clear, distortion-free sound and easy installation.
    See all RCA Cables
    Your price for this item is $25.99

  8. KICKER - K-Series Interconnects 3.3' Audio RCA Cable - Blue

    SKU: JXHZRT8HFR

    Great product and best price....Look online for this item and best buy price and quality was the best option...Great cables...I buy the best so I never cheap out on cables and accessories, always buy...

    Product Description

    A flexible blue RCA audio cable with dual-mold connectors and OFC wire for clear, powerful sound.
    See all RCA Cables
    Your price for this item is $15.99

  9. AudioQuest - Irish Red RCA 9.8' Analog Low-Frequency Subwoofer Audio Interconnect - Red on Black

    SKU: J7QX8PWJL6

    Great recommend from the team at best buy...Always get the best...I always use the best cables. I mean your spending so much already. Spend a little more....I use this with my bandw sub everything sounds...

    Product Description

    An analog RCA subwoofer cable in red on black, featuring silver-plated copper for superior sound clarity.
    See all Speaker Wire & Cables
    Your price for this item is $159.95

  10. AudioQuest - Evergreen RCA > RCA 39.4' Analog Audio Interconnect Cable - Green on Black

    SKU: J7QX8PHVHQ

    Product Description

    An analog RCA-to-RCA cable in green on black with Long-Grain Copper conductors for clear audio.
    See all RCA Cables
    Your price for this item is $319.95

  11. AudioQuest - Evergreen RCA > RCA 6.5' Analog Audio Interconnect Cable with RCA to RCA Connectors - Green on Black

    SKU: J7QX8PQ46L

    Great value and great sound for the money....Best buy is funny though....Great value...From entry level to levels that us audiophiles love.

    Product Description

    An analog RCA cable with solid Long-Grain Copper conductors delivers clear sound in green on black.
    See all RCA Cables
    Your price for this item is $119.95

  12. AudioQuest - Evergreen RCA > RCA 65.6' Analog Audio Interconnect Cable - Green on Black

    SKU: J7QX8PHVKJ

    Product Description

    An analog RCA-to-RCA cable in green on black with solid Long-Grain Copper conductors for reduced distortion.
    See all RCA Cables
    Your price for this item is $479.95

  13. KICKER - K-Series Interconnects 10' Audio RCA Cable - Blue

    SKU: JXHZRT8HV6

    Great buy...Item arrived quickly and best buy had the best price available....Kicker is a great brand. Best Buy had it for a reasonable price.

    Product Description

    A blue RCA audio cable featuring OFC wire, dual-mold connectors, and a flexible jacket for easy installation.
    See all RCA Cables
    Your price for this item is $19.99

  14. SVS - SoundPath 3M RCA Audio Interconnect Cable - Multi

    SKU: J3R858KY8J

    Great cables...Great quality wires for my new speakers, totally worth buying

    Product Description

    A multi-colored RCA audio cable featuring pure copper conductors and 24K gold-plated brass connectors.
    See all RCA Cables
    Your price for this item is $44.99

  15. SVS - SoundPath 2M RCA Audio Interconnect Cable - Multi

    SKU: J3R858KLP4

    Love these cables...Love these cables. Works very well with my svs subwoofer...Real good fast service thank you I'm going to do more shopping at Best buy

    Product Description

    A multi-colored RCA cable featuring pure copper conductors and 24K gold-plated connectors for optimal audio clarity.
    See all RCA Cables
    Your price for this item is $39.99

  16. SVS - SoundPath 1M RCA Audio Interconnect Cable - Multi

    SKU: J3R858KY8Q

    Great performance for price. Very good quality. SVS only available in Hawaii through online Best Buy...SVS could easily charge more but this is just another example of how SVS is one of the best bang...

    Product Description

    A multi-colored RCA cable featuring pure copper conductors and 24K gold-plated connectors for optimal audio clarity.
    See all RCA Cables
    Your price for this item is $34.99

  17. SVS - SoundPath 8M RCA Audio Interconnect Cable - Multi

    SKU: J3R858KY3C

    Great cable...RCA cable for the Woofer, work as it should, flexible long and the sound is great.

    Product Description

    A multi-colored RCA cable featuring pure copper conductors and 24K gold-plated connectors for optimal audio.
    See all RCA Cables
    Your price for this item is $59.99

  18. SVS - SoundPath 5M RCA Audio Interconnect Cable - Multi

    SKU: J3R858KY3K

    Subwoofer sounds great with this product. Very durable....Looks great too. Would recommend this cable.

    Product Description

    A multi-colored RCA cable featuring pure copper conductors and 24K gold-plated connectors for superior audio clarity.
    See all RCA Cables
    Your price for this item is $49.99

  19. AudioQuest - Tower RCA > RCA 2.0' Analog Audio Interconnect Cable - Black with White Stripes

    SKU: J7QX8PT5ZS

    Best cables around!...And AudioQuest makes the best cables on the market - a win-win!!...Great cables

    Product Description

    A black cable with white stripes featuring solid long-grain copper conductors for clear, distortion-free audio.
    See all RCA Cables
    Your price for this item is $49.95

  20. AudioQuest - Golden Gate 3.5mm Mini > RCA 3.3' Analog Audio Interconnect Cable - Red on Black

    SKU: J7QX8PHFVF

    Needless to say the AudioQuest cable not only sound better, the volume level is great.

    Product Description

    A premium red-on-black analog cable with solid copper conductors for clear, distortion-free audio connections.
    See all RCA Cables
    Your price for this item is $149.95

  21. NVX - XIX46 19.69 ft (6 Meter) Oxygen Free Copper 4-Channel Double Twisted Pair X-Series Audio RCA Audio Interconnect Cable

    SKU: J3Y7KLQHHQ

    Great cables

    Product Description

    A black nylon-jacketed, oxygen-free copper 4-channel RCA cable with silver-plated ends for superior audio quality.
    See all Car Installation Parts & Accessories
    Your price for this item is $52.99

  22. AudioQuest - Chicago RCA > RCA 4.9' Analog Audio Interconnect Cable - Green on Black

    SKU: J7QX8PR6YK

    Product Description

    A green-on-black RCA cable featuring solid long-grain copper conductors for clear, distortion-free analog audio.
    See all RCA Cables
    Your price for this item is $86.23

  23. Tributaries - Model 2S Subwoofer Cable - 1M - Black

    SKU: J3G728K4GH

    Product Description

    A black subwoofer cable with ultra-pure oxygen-free copper and RCA connectors for superior low-frequency audio performance.
    See all Speaker Wire & Cables
    Your price for this item is $65.00

  24. AudioQuest - Chicago RCA > RCA 4.9' Analog Audio Interconnect Cable - Green on Black

    SKU: J7QX8PWPQY

    Product Description

    A green-on-black RCA audio cable featuring solid long-grain copper conductors for clear, distortion-free sound.
    See all RCA Cables
    Your price for this item is $172.45
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Oxygen-free copper RCA cables connect compatible audio components, including amplifiers, receivers, CD players and powered speakers, using high-conductivity copper conductors to carry analog signals. Often called OFC RCA cables, these interconnects feature copper refined to reduce oxygen content, making them a popular option for home stereo systems and home theater setups. Stereo RCA audio cables typically come in red-and-white connector pairs, with one plug carrying the right audio channel and the other carrying the left. For dependable performance, consider the complete cable design rather than conductor material alone: effective shielding, secure connectors and durable insulation all help support a reliable connection. Oxygen-free copper does not automatically deliver an audible improvement over another properly designed copper cable, but well-constructed OFC RCA interconnects can provide a practical connection between compatible components. Choosing oxygen-free copper RCA cables starts with matching the cable to your equipment, connection type and installation layout. For a turntable setup, confirm whether your record player has a built-in phono preamp or needs an external phono preamp or a receiver with a phono input; an RCA cable alone cannot convert a phono-level signal to line level. Connecting a receiver’s subwoofer output to a powered subwoofer generally requires a single RCA subwoofer cable rather than a stereo pair, while coaxial digital audio connections call for a cable designed for 75-ohm digital transmission. Select a cable length that reaches comfortably without unnecessary excess, and look for flexible jackets and connector housings that fit the space behind your equipment. Shielding is especially useful for low-level analog audio signals, and routing RCA cables away from power cords can help reduce unwanted hum or interference. Gold-plated connectors can resist corrosion at the contact surface, though plating alone does not guarantee better sound. Whether you are connecting a CD player to an integrated amplifier or completing a home theater audio system, compatible connections and solid construction matter most when selecting OFC RCA cables.

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FAQ

Oxygen-free copper RCA cables use copper conductors manufactured to have very low oxygen content and RCA connectors at their ends. Oxygen-free copper, often abbreviated OFC, describes the conductor material, while RCA describes the connector type.

RCA connections are common on stereo receivers, amplifiers, CD players, powered speakers, subwoofers, and some turntables. The equipment’s input and output labels identify the connection type, such as line-level audio, phono, or a dedicated subwoofer connection.

On a typical stereo RCA audio cable, red identifies the right audio channel and white identifies the left audio channel. Some cables use black instead of white for the left channel. These markings help match each connector to the corresponding equipment jack.

RCA connectors appear on both analog and digital audio cables. Analog stereo connections typically use two RCA connectors, one for each channel, while coaxial S/PDIF digital audio uses a single 75-ohm RCA connection. Oxygen-free copper describes the conductor material, not whether the cable is intended for analog or digital audio.

The conductor carries the signal and is made from oxygen-free copper in an OFC cable. Shielding is a conductive layer around the insulated signal conductor, commonly made from foil, braided wire, or both. The jacket is the cable’s outer covering, often made from PVC or another flexible material.

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Best Buy Canada

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.