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Best Buy customers often prefer the following products when searching for best aux cable.

If you're looking for a way to connect your car stereo to an external audio source, such as a CD player or home stereo, you'll need an auxiliary cable. These cables are available in different lengths and connectors. Browse the top-ranked list of best aux cables below along with associated reviews and opinions.

Main Results
  1. Insignia™ - 3' 3.5 mm Audio Cable - Black - Front_Zoom

    Model: NS-C353521K
    SKU: 6424957
    Top comment

    "Gets the job done, an aux cord is an aux cord. Its quite beefy of an aux cord too. ...One of the best aux cords you can find. The best quality cord....Its an aux cord...Aux cord"

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    Product Description

    Whether you’re embarking on a cross-country road trip or just heading to the store, having your music along for the ride is crucial. This durable audio cable withstands extreme heat and cold, making it ideal for the car. Its 3 ft. length gives you flexible placement options while avoiding the hassle of excess cable. Dual low-profile 3.5 mm connectors fit most auxiliary ports, including your car stereo, smartphone, tablet or soundbar. No matter where you go, this Insignia NS-C353521K 3' 3.5 mm Audio Cable will keep you listening to your favorite tunes.
    See all Auxiliary Input Cables
    Top comment

    "Gets the job done, an aux cord is an aux cord. Its quite beefy of an aux cord too. ...One of the best aux cords you can find. The best quality cord....Its an aux cord...Aux cord"

    See all customer reviews

    Product Description

    Whether you’re embarking on a cross-country road trip or just heading to the store, having your music along for the ride is crucial. This durable audio cable withstands extreme heat and cold, making it ideal for the car. Its 3 ft. length gives you flexible placement options while avoiding the hassle of excess cable. Dual low-profile 3.5 mm connectors fit most auxiliary ports, including your car stereo, smartphone, tablet or soundbar. No matter where you go, this Insignia NS-C353521K 3' 3.5 mm Audio Cable will keep you listening to your favorite tunes.
    See all Auxiliary Input Cables
    See all Auxiliary Input Cables
  2. AudioQuest - Sky 4' Stereo Audio Cable - Black/Blue - Front_Zoom
    Top comment

    "Best aux cable...This brand hands down makes the best aux cables i have ever used, the gold plating really makes the difference in quality and the braided cable is built to last....Aux...Great aux cord when looking for a higher resolution audio."

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    Product Description

    Get a stable stereo connection for headphones and speakers with this 4-foot AudioQuest Sky 3.5mm to 3.5mm audio cable. The solid long-grain copper conductors are shielded, are direction-controlled and constructed with double-balanced geometry for clean, accurate transmission of audio signals. This AudioQuest Sky 3.5mm to 3.5mm audio cable has foamed-polyethylene insulation for durability and interference resistance.
    See all A/V Cables & Connectors
    Top comment

    "Best aux cable...This brand hands down makes the best aux cables i have ever used, the gold plating really makes the difference in quality and the braided cable is built to last....Aux...Great aux cord when looking for a higher resolution audio."

    See all customer reviews

    Product Description

    Get a stable stereo connection for headphones and speakers with this 4-foot AudioQuest Sky 3.5mm to 3.5mm audio cable. The solid long-grain copper conductors are shielded, are direction-controlled and constructed with double-balanced geometry for clean, accurate transmission of audio signals. This AudioQuest Sky 3.5mm to 3.5mm audio cable has foamed-polyethylene insulation for durability and interference resistance.
    See all A/V Cables & Connectors
    See all A/V Cables & Connectors
  3. Bose - SoundLink Headphones Audio Cable - Black - Front_Zoom

    Model: BOSE SL AE-WIRELESS HP CABLE-B
    SKU: 6319395
    Top comment

    "Bose always delivers. THIS IS NOT AN AUX CABLE....This is not an AUX cable!...Best audio cord.......Bose has the best quality for sound and this cord is magnificent!!!!"

    See all customer reviews

    Product Description

    This optional 3.5mm to 2.5mm stereo cable connects your Bose Soundlink Around-Ear Headphones to various audio sources. It can be used as a spare or replacement in case your original cable is lost or damaged.
    See all Headphone Accessories
    Top comment

    "Bose always delivers. THIS IS NOT AN AUX CABLE....This is not an AUX cable!...Best audio cord.......Bose has the best quality for sound and this cord is magnificent!!!!"

    See all customer reviews

    Product Description

    This optional 3.5mm to 2.5mm stereo cable connects your Bose Soundlink Around-Ear Headphones to various audio sources. It can be used as a spare or replacement in case your original cable is lost or damaged.
    See all Headphone Accessories
    See all Headphone Accessories
  4. Scosche - 6' 3.5mm-to-RCA Audio Cable - Black - Angle_Zoom
    Top comment

    "I am able to leave this cable plugged into my aux port in my truck without it getting in the way. ...Purchased this cable for an old receiver that lacked an aux port. "

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    Product Description

    With a 3.5mm connector on one end and an RCA audio connector on the other, this 6' Scosche AFRCA6 cable makes it easy to connect your compatible Apple® device or MP3 player to a stereo with an RCA input.
    See all Antennas & Adapters
    Top comment

    "I am able to leave this cable plugged into my aux port in my truck without it getting in the way. ...Purchased this cable for an old receiver that lacked an aux port. "

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    Product Description

    With a 3.5mm connector on one end and an RCA audio connector on the other, this 6' Scosche AFRCA6 cable makes it easy to connect your compatible Apple® device or MP3 player to a stereo with an RCA input.
    See all Antennas & Adapters
    See all Antennas & Adapters
  5. AudioQuest - Evergreen 9.8' 3.5mm-to-3.5mm Interconnect Cable - Green - Front_Zoom
    Top comment

    "Recently purchased this aux cord. Has great audio quality. Built with very strong material. ...Needed for tv audio great cables best over all"

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    Product Description

    Easily connect devices with a 3.5mm interface using this 9.8' AudioQuest Evergreen EVERG03M interconnect cable that features solid long-grain copper conductors and cold-welded terminations to help minimize distortion for clear signal transfer.
    See all A/V Cables & Connectors
    Top comment

    "Recently purchased this aux cord. Has great audio quality. Built with very strong material. ...Needed for tv audio great cables best over all"

    See all customer reviews

    Product Description

    Easily connect devices with a 3.5mm interface using this 9.8' AudioQuest Evergreen EVERG03M interconnect cable that features solid long-grain copper conductors and cold-welded terminations to help minimize distortion for clear signal transfer.
    See all A/V Cables & Connectors
    See all A/V Cables & Connectors
  6. AudioQuest - Evergreen 4.9' 3.5mm-to-3.5mm Interconnect Cable - Green - Front_Zoom
    Top comment

    "Aux cable...Not as great as i hoped for. Cheaper cables perform better....I’ll sadly probably just use this as a very, very expensive aux cable."

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    Product Description

    Designed for use with most devices with a 3.5mm interface, this 4.9' AudioQuest Evergreen EVERG01.5M interconnect cable features asymmetrical, double-balanced geometry to provide low impedance, ensuring vibrant, dynamic sound quality.
    See all A/V Cables & Connectors
    Top comment

    "Aux cable...Not as great as i hoped for. Cheaper cables perform better....I’ll sadly probably just use this as a very, very expensive aux cable."

    See all customer reviews

    Product Description

    Designed for use with most devices with a 3.5mm interface, this 4.9' AudioQuest Evergreen EVERG01.5M interconnect cable features asymmetrical, double-balanced geometry to provide low impedance, ensuring vibrant, dynamic sound quality.
    See all A/V Cables & Connectors
    See all A/V Cables & Connectors
  7. Bose - 3.92' 3.5mm to 2.5mm Audio Cable - White - Angle_Zoom

    Model: BOSE SL AE-WIRELESS HP CABLE-S
    SKU: 6319394
    Top comment

    "Bose audio cable...Lost your proprietary cable? This is an OEM part....Good quality cables and produces excellent sound for the best quality headphones"

    See all customer reviews

    Product Description

    This optional 3.5mm to 2.5mm stereo cable connects your Bose Soundlink Around-Ear Headphones to various audio sources. It can be used as a spare or replacement in case your original cable is lost or damaged.
    See all Headphone Accessories
    Top comment

    "Bose audio cable...Lost your proprietary cable? This is an OEM part....Good quality cables and produces excellent sound for the best quality headphones"

    See all customer reviews

    Product Description

    This optional 3.5mm to 2.5mm stereo cable connects your Bose Soundlink Around-Ear Headphones to various audio sources. It can be used as a spare or replacement in case your original cable is lost or damaged.
    See all Headphone Accessories
    See all Headphone Accessories
  8. Best Buy essentials™ - 25' Stereo Audio RCA Cable - Black - Alt_View_Zoom_11
    Top comment

    "Right cables...Always great quality cables. When I'm in a pinch to make something work, Best Buy has what I need....Good audio cable...Needed to replace my aux for subwoofer so got these to replace and save one for later"

    See all customer reviews

    Product Description

    Get high-quality audio without complicated audio connections. The Best Buy essentials BE-HCL324 25' Stereo Audio RCA Cable is compatible with most devices that have standard right- and left-channel audio jacks. A copper braided shield reduces signal interference, delivering crisp and clear audio. Use it with a video cable (not included) or alone for audio-only devices. Backed by Best Buy, nickel-platted connectors deliver the lasting durability you can expect from our brand. Color-coded ends make connections fast and simple so you can expand your audio output with high-quality cables you can trust.
    See all A/V Cables & Connectors
    Top comment

    "Right cables...Always great quality cables. When I'm in a pinch to make something work, Best Buy has what I need....Good audio cable...Needed to replace my aux for subwoofer so got these to replace and save one for later"

    See all customer reviews

    Product Description

    Get high-quality audio without complicated audio connections. The Best Buy essentials BE-HCL324 25' Stereo Audio RCA Cable is compatible with most devices that have standard right- and left-channel audio jacks. A copper braided shield reduces signal interference, delivering crisp and clear audio. Use it with a video cable (not included) or alone for audio-only devices. Backed by Best Buy, nickel-platted connectors deliver the lasting durability you can expect from our brand. Color-coded ends make connections fast and simple so you can expand your audio output with high-quality cables you can trust.
    See all A/V Cables & Connectors
    See all A/V Cables & Connectors
  9. AudioQuest - OptiLink 8' Toslink Fiber-Optic Cable - Black/Blue Stripes - Front_Zoom
    Top comment

    "its a cable...does the job. may not be the best but it works. pricey for a cable, but needed....The quality differences between this and an aux cord is insane. Highly recommend."

    See all customer reviews

    Product Description

    Link CD players and other devices with this 8-foot AudioQuest Optilink Ocean optical cable. It's in-wall rated for use in high-end home installations, and it includes a finely polished optical interface to support minimal jitter during playback. This AudioQuest Optilink Ocean optical cable is made with low-distortion synthetic fibers to increase sound quality.
    See all A/V Cables & Connectors
    Top comment

    "its a cable...does the job. may not be the best but it works. pricey for a cable, but needed....The quality differences between this and an aux cord is insane. Highly recommend."

    See all customer reviews

    Product Description

    Link CD players and other devices with this 8-foot AudioQuest Optilink Ocean optical cable. It's in-wall rated for use in high-end home installations, and it includes a finely polished optical interface to support minimal jitter during playback. This AudioQuest Optilink Ocean optical cable is made with low-distortion synthetic fibers to increase sound quality.
    See all A/V Cables & Connectors
    See all A/V Cables & Connectors
  10. Best Buy essentials™ - 6' Stereo Audio RCA Cable - Black - Front_Zoom
    Top comment

    "Not the best cables money can buy, but great for saving the day on a cable run gone short....Connect cable audio out to stereo AUX input....These are basic RCA type cables. I used them to connect the audio output on a cable box to the AUX input on a vintage stereo system. "

    See all customer reviews

    Product Description

    Get high-quality audio without complicated audio connections. The Best Buy essentials BE-HCL322 6' Stereo Audio RCA Cable is compatible with most devices that have standard right- and left-channel audio jacks. A copper braided shield reduces signal interference, delivering crisp and clear audio. Use it with a video cable (not included) or alone for audio-only devices. Backed by Best Buy, nickel-platted connectors deliver the lasting durability you can expect from our brand. Color-coded ends make connections fast and simple so you can expand your audio output with high-quality cables you can trust.
    See all A/V Cables & Connectors
    Top comment

    "Not the best cables money can buy, but great for saving the day on a cable run gone short....Connect cable audio out to stereo AUX input....These are basic RCA type cables. I used them to connect the audio output on a cable box to the AUX input on a vintage stereo system. "

    See all customer reviews

    Product Description

    Get high-quality audio without complicated audio connections. The Best Buy essentials BE-HCL322 6' Stereo Audio RCA Cable is compatible with most devices that have standard right- and left-channel audio jacks. A copper braided shield reduces signal interference, delivering crisp and clear audio. Use it with a video cable (not included) or alone for audio-only devices. Backed by Best Buy, nickel-platted connectors deliver the lasting durability you can expect from our brand. Color-coded ends make connections fast and simple so you can expand your audio output with high-quality cables you can trust.
    See all A/V Cables & Connectors
    See all A/V Cables & Connectors
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