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Best Buy customers often prefer the following products when searching for amp adapters.

If you're looking to connect an amplifier to your home theater or audio system, you have a few different options. If you're adding an amplifier to a new installation, you may want to consider a dedicated line-level output. If you already have an amplifier and are looking to upgrade your current setup, you'll likely want to go with an RCA-to-line level conversion. Here's some amp adapters for your home audio needs.

Main Results
  1. AudioQuest - Toslink-to-3.5mm Mini Optical Adapter - Black - Angle_Zoom
    Top comment

    "Excellent adapter...This adapter is the perfect mate to connect a Toslink cable to the 3.5mm audio/optical output jack on the Apple Airport Express, which can then transmit a reasonably high fidelity streaming audio signal via a DAC to a stereo audio amplifier....Used this to have a digital connection from my Chromecast Audio to my integrated amplifier."

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    Product Description

    This AudioQuest OPLNKMINIADAPT adapter enables you to securely connect a full-size Toslink plug to a 3.5mm mini optical plug with minimal signal loss and is compatible with PC and Mac to suit your needs.
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    Top comment

    "Excellent adapter...This adapter is the perfect mate to connect a Toslink cable to the 3.5mm audio/optical output jack on the Apple Airport Express, which can then transmit a reasonably high fidelity streaming audio signal via a DAC to a stereo audio amplifier....Used this to have a digital connection from my Chromecast Audio to my integrated amplifier."

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    Product Description

    This AudioQuest OPLNKMINIADAPT adapter enables you to securely connect a full-size Toslink plug to a 3.5mm mini optical plug with minimal signal loss and is compatible with PC and Mac to suit your needs.
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    Your price for this item is $16.95
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  2. Best Buy essentials™ - Female 3.5 mm to Male 1/4" Audio Adapter - Black - Front_Zoom
    Top comment

    "Effective Adapter...This adapter works as it is supposed to, even though it is not threaded or gold played. ...3.5mm stereo to 1/4" mono adapter...I used a Y-splitter to separate the channels and two of these adapters to connect to amp."

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    Product Description

    Allow us to expand the connectivity options of your headphones, select amplifiers and more. With the Best Buy essentials BE-HCL311 Female 3.5 mm to Male 1/4" Audio Adapter, convert your 3.5 mm connector into a 1/4-inch male plug and connect your headphones into select speakers, amplifiers, keyboards and more. A TRS nickel-platted connector grants you durability and efficient stereo sound transmission. Reduced signal loss provides a high-quality listening experience you will enjoy. Small enough to carry in your pocket, store this adapter with the rest of your sound equipment without it taking up too much space. Backed by Best Buy, expand your connectivity options with high-quality accessories you can trust.
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    Top comment

    "Effective Adapter...This adapter works as it is supposed to, even though it is not threaded or gold played. ...3.5mm stereo to 1/4" mono adapter...I used a Y-splitter to separate the channels and two of these adapters to connect to amp."

    See all customer reviews

    Product Description

    Allow us to expand the connectivity options of your headphones, select amplifiers and more. With the Best Buy essentials BE-HCL311 Female 3.5 mm to Male 1/4" Audio Adapter, convert your 3.5 mm connector into a 1/4-inch male plug and connect your headphones into select speakers, amplifiers, keyboards and more. A TRS nickel-platted connector grants you durability and efficient stereo sound transmission. Reduced signal loss provides a high-quality listening experience you will enjoy. Small enough to carry in your pocket, store this adapter with the rest of your sound equipment without it taking up too much space. Backed by Best Buy, expand your connectivity options with high-quality accessories you can trust.
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    Your price for this item is $6.99
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  3. Google - USB-C-to-3.5mm Audio Adapter - White - Front_Zoom
    Top comment

    "Perfect attachment and exactly what I needed to connect a 3.5mm to 1/4 inch amplifier jack to play Spotify thru an amp....Quality adapter and one of the only Adapters that has DAC built into it!"

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    Product Description

    Use your favorite headphones again with this handy Google audio adapter. It lets USB-C inputs accept 3.5mm cables for added convenience, and it lets you use older audio devices with your Google Pixel for flexible listening. This Google audio adapter is 3.67 inches long, so it fits easily in your pocket.
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    Top comment

    "Perfect attachment and exactly what I needed to connect a 3.5mm to 1/4 inch amplifier jack to play Spotify thru an amp....Quality adapter and one of the only Adapters that has DAC built into it!"

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    Product Description

    Use your favorite headphones again with this handy Google audio adapter. It lets USB-C inputs accept 3.5mm cables for added convenience, and it lets you use older audio devices with your Google Pixel for flexible listening. This Google audio adapter is 3.67 inches long, so it fits easily in your pocket.
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    Your price for this item is $12.99
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  4. Belkin - SoundForm Connect Audio Adapter with Airplay 2 - Black - Alt_View_Zoom_11
    Top comment

    "Great product. Using this with an amplifier and a pair of commercial speakers!...I connect this to multichannel amplifiers for house-wide music. I’ve added multiple units to create multi zone audio. "

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    Product Description

    Keep enjoying your favorite sound equipment without an expensive component update. SOUNDFORM CONNECT Audio Adapter with AirPlay  2  turns your stereo into an AirPlay 2-enabled speaker to stream the music that you love from iOS and Mac devices. Our adapter is equipped with optical and 3.5mm output that brings signal from your devices to any speaker or receiver with an audio input.
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    Top comment

    "Great product. Using this with an amplifier and a pair of commercial speakers!...I connect this to multichannel amplifiers for house-wide music. I’ve added multiple units to create multi zone audio. "

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    Product Description

    Keep enjoying your favorite sound equipment without an expensive component update. SOUNDFORM CONNECT Audio Adapter with AirPlay  2  turns your stereo into an AirPlay 2-enabled speaker to stream the music that you love from iOS and Mac devices. Our adapter is equipped with optical and 3.5mm output that brings signal from your devices to any speaker or receiver with an audio input.
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    Your price for this item is $72.99
    The previous price was $99.99
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  5. Bowers & Wilkins - Formation Duo Speaker Stands (2-Pack) - Black - Front_Zoom
    Top comment

    "The Formation Duo speakers have two amplifiers weigh 40 lbs each and produce heat, the matching stands are made of a high grade heat dissipating metal, no other stand will do. "

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    Product Description

    Set up your sound system with this Bowers & Wilkin Formation Duo wireless speaker stand set. Constructed with sturdy metal, this set of two stands delivers sturdy support without vibration for compatible speakers. Interchangeable spikes and rubber feet let you use this Bowers & Wilkin Foundation Duo wireless speaker set on both carpet and hard flooring.
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    Top comment

    "The Formation Duo speakers have two amplifiers weigh 40 lbs each and produce heat, the matching stands are made of a high grade heat dissipating metal, no other stand will do. "

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    Product Description

    Set up your sound system with this Bowers & Wilkin Formation Duo wireless speaker stand set. Constructed with sturdy metal, this set of two stands delivers sturdy support without vibration for compatible speakers. Interchangeable spikes and rubber feet let you use this Bowers & Wilkin Foundation Duo wireless speaker set on both carpet and hard flooring.
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    Your price for this item is $999.98
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  6. SVS - SoundPath Wireless Audio Adapter - Black - Front_Zoom

    Model: SVS SOUNDPATH WIRELESS AUDIO A
    SKU: 6394992
    Top comment

    "If you own a PB1000 with the two port holes, and you need to go wireless, purchase the Soundpath Wireless Audio Adapter. Why am I impressed. The Soundpath adapters bluetooth capability are pre-paired at the factory. ...SVS adapter"

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    Product Description

    Give yourself more audio placement options with this SVS Sound wireless subwoofer adapter. Ultra-low latency and high frequency response rates let you stream CD-quality sound to a stereo zone of loudspeakers, subwoofers or surround sound systems. Use the RCA input of this SVS Sound wireless subwoofer adapter to quickly and easily connect to a TV, an AV receiver or another audio source.
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    Top comment

    "If you own a PB1000 with the two port holes, and you need to go wireless, purchase the Soundpath Wireless Audio Adapter. Why am I impressed. The Soundpath adapters bluetooth capability are pre-paired at the factory. ...SVS adapter"

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    Product Description

    Give yourself more audio placement options with this SVS Sound wireless subwoofer adapter. Ultra-low latency and high frequency response rates let you stream CD-quality sound to a stereo zone of loudspeakers, subwoofers or surround sound systems. Use the RCA input of this SVS Sound wireless subwoofer adapter to quickly and easily connect to a TV, an AV receiver or another audio source.
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    Your price for this item is $119.98
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  7. Bose - Lifestyle 600/650 System 4-Pin Speaker to Bare Wire Adapter - Black - Front_Zoom
    Top comment

    "Bose Lifestyle 600/650 bare wire adapter...I bought a home that was prewired for surround sound for ceiling mounted speakers. The adapters were a great and low cost solution since I did not have the ability to use the wireless option for the rear speakers."

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    Product Description

    Lifestyle 600/650 4-pin speaker wire adapter is for use with any Bose front L/R or rear L/R speaker, connects bare speaker wire to the LS600 console.
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    Top comment

    "Bose Lifestyle 600/650 bare wire adapter...I bought a home that was prewired for surround sound for ceiling mounted speakers. The adapters were a great and low cost solution since I did not have the ability to use the wireless option for the rear speakers."

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    Product Description

    Lifestyle 600/650 4-pin speaker wire adapter is for use with any Bose front L/R or rear L/R speaker, connects bare speaker wire to the LS600 console.
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    Your price for this item is $9.99
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  8. Bose - Lifestyle 600/650 System 2-Pin Speaker to Bare Wire Adapter - Black - Front_Zoom
    Top comment

    "I am finding it hard to get an adapter for my Old Bose Stereo wires to my newer Bose Speakers . "

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    Product Description

    The Bose Lifestyle 600/650 system 2-pin speaker to bare wire adapter is for use with Bose Lifestyle 600 and 650 home theater systems. The adapter connects the Bose speakers to bare wire for in-wall/ceiling installations.
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    Top comment

    "I am finding it hard to get an adapter for my Old Bose Stereo wires to my newer Bose Speakers . "

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    Product Description

    The Bose Lifestyle 600/650 system 2-pin speaker to bare wire adapter is for use with Bose Lifestyle 600 and 650 home theater systems. The adapter connects the Bose speakers to bare wire for in-wall/ceiling installations.
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    Your price for this item is $9.99
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  9. Stereo to Mono Adapter for Most KEF Ci Speakers - Silver - Front_Zoom

    Product Description

    Immerse yourself in stereo sound from a single speaker with this KEF CITR-SM stereo to mono transformer. The setup combines the left and right audio channels into a single output without reducing sound quality. Small in size and easy to mount near the speaker or the audio source, this KEF CITR-SM stereo to mono adapter is ideal for installations where space is limited.
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    Product Description

    Immerse yourself in stereo sound from a single speaker with this KEF CITR-SM stereo to mono transformer. The setup combines the left and right audio channels into a single output without reducing sound quality. Small in size and easy to mount near the speaker or the audio source, this KEF CITR-SM stereo to mono adapter is ideal for installations where space is limited.
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    Your price for this item is $100.00
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  10. Sonance - SS6 - 6-Pair Stereo Speaker Selector (Each) - Black - Front_Zoom

    Product Description

    Enjoy music throughout your home with this Sonance speaker selector. It lets you connect up to six pairs of speakers to your audio receiver or amplifier, and attachable customized labels let you identify different zones. This Sonance speaker selector has back-panel push-button connectors that are simple to set up with 12-gauge wire.
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    Product Description

    Enjoy music throughout your home with this Sonance speaker selector. It lets you connect up to six pairs of speakers to your audio receiver or amplifier, and attachable customized labels let you identify different zones. This Sonance speaker selector has back-panel push-button connectors that are simple to set up with 12-gauge wire.
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    Your price for this item is $184.98
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