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Best Buy customers often prefer the following products when searching for mono to stereo adapter.

A mono-to-stereo adapter is a simple device which allows the connection of stereo devices to mono devices. These tools will offer flexibility and versatility for your electronics. Browse the top-ranked list of mono to stereo adapters below along with associated reviews and opinions.

Main Results
  1. Rocketfish™ - 90-degree Coax Adapter (2 Pack) - Gold - Front_Zoom
    Top comment

    "This coupler help me connect my stereo reciever to my anntenna and now my stereo reciever gets all the station's in the area!...These adapters do exactly what they are designed for, don't kink cords behind a mounted tv....Great adapter"

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    Product Description

    Connect additional digital, satellite or internet cables to your entertainment setup with this Rocketfish 90-degree Coax Adapter (2 Pack). With a compact, angled design made from durable brass, this adapter allows for seamless connections and smooth installation even in tight spaces. This pack features two Rocketfish 90-degree coaxial cable adapters to meet your connection needs.
    See all TV & Home Theater Accessories
    Top comment

    "This coupler help me connect my stereo reciever to my anntenna and now my stereo reciever gets all the station's in the area!...These adapters do exactly what they are designed for, don't kink cords behind a mounted tv....Great adapter"

    See all customer reviews

    Product Description

    Connect additional digital, satellite or internet cables to your entertainment setup with this Rocketfish 90-degree Coax Adapter (2 Pack). With a compact, angled design made from durable brass, this adapter allows for seamless connections and smooth installation even in tight spaces. This pack features two Rocketfish 90-degree coaxial cable adapters to meet your connection needs.
    See all TV & Home Theater Accessories
    See all TV & Home Theater Accessories
  2. Insignia™ - Mini DisplayPort-to-HDMI Adapter - White - Front_Zoom
    Top comment

    "Good adapter, no issues yet, hoping that it will last longer than a mono price cable....You can find it much cheaper on amazon or mono price but this does a job well. Overpriced but in a pinch that you need it right away, you cannot go wrong with it."

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    Product Description

    This Insignia™ NS-PD94592 adapter allows you to connect a computer with a mini DisplayPort output to devices with an HDMI input, such as a monitor, projector or TV, and supports up to 4K resolution at 30hz for clear playback.
    See all Monitor & Video Cables
    Top comment

    "Good adapter, no issues yet, hoping that it will last longer than a mono price cable....You can find it much cheaper on amazon or mono price but this does a job well. Overpriced but in a pinch that you need it right away, you cannot go wrong with it."

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    Product Description

    This Insignia™ NS-PD94592 adapter allows you to connect a computer with a mini DisplayPort output to devices with an HDMI input, such as a monitor, projector or TV, and supports up to 4K resolution at 30hz for clear playback.
    See all Monitor & Video Cables
    See all Monitor & Video Cables
  3. Apple - Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter - White - Front_Zoom
    Top comment

    "Works with gigabit Ethernet adapter...Does not work for hdmi, vga, or dvi adapters (as advertised). Works well with thunderbolt gigabit Ethernet adapter....Good adapter for Apple...Apple doesn't put out bad adapters. They work well."

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    Product Description

    The Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter lets you connect Thunderbolt and Thunderbolt 2 devices - external hard drives and Thunderbolt displays, for example - to any of the Thunderbolt 3 (USB-C) ports on your MacBook Pro. As a bidirectional adapter, it can also connect new Thunderbolt 3 devices to a Mac with a Thunderbolt or Thunderbolt 2 port.*
    See all USB Cables & Adapters
    Top comment

    "Works with gigabit Ethernet adapter...Does not work for hdmi, vga, or dvi adapters (as advertised). Works well with thunderbolt gigabit Ethernet adapter....Good adapter for Apple...Apple doesn't put out bad adapters. They work well."

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    Product Description

    The Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter lets you connect Thunderbolt and Thunderbolt 2 devices - external hard drives and Thunderbolt displays, for example - to any of the Thunderbolt 3 (USB-C) ports on your MacBook Pro. As a bidirectional adapter, it can also connect new Thunderbolt 3 devices to a Mac with a Thunderbolt or Thunderbolt 2 port.*
    See all USB Cables & Adapters
    See all USB Cables & Adapters
  4. Best Buy essentials™ - DisplayPort to HDMI Adapter - Black - Front_Zoom
    Top comment

    "Adapter...Glad BB sells some adapters. Needed this to have multiple monitors....Very good adapter...These adapters work as expected. I would purchase again."

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    Product Description

    Why settle for a small, single-monitor display when one simple adapter can improve your viewing experience? This Best Buy Essentials BE-PADPHD DisplayPort to HDMI Adapter is the one-step solution to taking your viewing experience to the next level. This small adapter mirrors or extends the display from your DisplayPort device to an HDMI-supported monitor. It supports resolutions up to 1920 × 1080 at 60 Hz for high-quality video (and audio is supported when provided by the source). It has 24K gold plating to help guard against corrosion and loss of quality. Its classic black design even matches your other computer accessories, making this adapter a great way to expand your viewing experience.
    See all Monitor & Video Cables
    Top comment

    "Adapter...Glad BB sells some adapters. Needed this to have multiple monitors....Very good adapter...These adapters work as expected. I would purchase again."

    See all customer reviews

    Product Description

    Why settle for a small, single-monitor display when one simple adapter can improve your viewing experience? This Best Buy Essentials BE-PADPHD DisplayPort to HDMI Adapter is the one-step solution to taking your viewing experience to the next level. This small adapter mirrors or extends the display from your DisplayPort device to an HDMI-supported monitor. It supports resolutions up to 1920 × 1080 at 60 Hz for high-quality video (and audio is supported when provided by the source). It has 24K gold plating to help guard against corrosion and loss of quality. Its classic black design even matches your other computer accessories, making this adapter a great way to expand your viewing experience.
    See all Monitor & Video Cables
    See all Monitor & Video Cables
  5. Microsoft - Surface Mini DisplayPort to HDMI 2.0 Adapter - Black - Front_Zoom
    Top comment

    "This adapter worked with my 2K monitor immediately without playing with settings....adapter...Not much to say about adapters. Easy to use and set up"

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    Product Description

    Show pictures or videos from your Surface tablet on a larger screen with this Microsoft Mini DisplayPort to HDMI 2.0 adapter. It supports 4K displays.
    See all Tablet A/V Adapters
    Top comment

    "This adapter worked with my 2K monitor immediately without playing with settings....adapter...Not much to say about adapters. Easy to use and set up"

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    Product Description

    Show pictures or videos from your Surface tablet on a larger screen with this Microsoft Mini DisplayPort to HDMI 2.0 adapter. It supports 4K displays.
    See all Tablet A/V Adapters
    See all Tablet A/V Adapters
  6. Insignia™ - 3,000 mA 5’ Universal AC Adapter for High-Output Devices - Black - Front_Zoom
    Top comment

    "Adapter...Easy to install. More than enough adapters to fit almost any connection....Power Adapter...Love having the additional adapters."

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    Product Description

    If a power adapter is damaged or goes missing, you don’t have to toss the whole device. Replace the cord with this Insignia NS-AC3000 5' Universal AC Adapter for High-Output Devices Up to 3,000 mA. It’s designed especially for high-power needs, so you can connect a device requiring up to 3,000 mA input. Just select the round-pin connector that fits your power jack from the seven included interchangeable tips. Turn the manual voltage selector knob to pick the voltage that matches your device’s input—with 11 different settings from 3 to 24 volts, you’re sure to find the one you need. An LED indicator conveniently shows which voltage is selected. Plus, the knob is positioned on the back of the adapter to prevent against accidental setting changes once it’s plugged in. An attached 5 ft. cord gives you flexible placement options, so you can easily position your connected device. This simple-to-use universal AC adapter gets your electronics working again.
    See all Portable Chargers & Power Packs
    Top comment

    "Adapter...Easy to install. More than enough adapters to fit almost any connection....Power Adapter...Love having the additional adapters."

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    Product Description

    If a power adapter is damaged or goes missing, you don’t have to toss the whole device. Replace the cord with this Insignia NS-AC3000 5' Universal AC Adapter for High-Output Devices Up to 3,000 mA. It’s designed especially for high-power needs, so you can connect a device requiring up to 3,000 mA input. Just select the round-pin connector that fits your power jack from the seven included interchangeable tips. Turn the manual voltage selector knob to pick the voltage that matches your device’s input—with 11 different settings from 3 to 24 volts, you’re sure to find the one you need. An LED indicator conveniently shows which voltage is selected. Plus, the knob is positioned on the back of the adapter to prevent against accidental setting changes once it’s plugged in. An attached 5 ft. cord gives you flexible placement options, so you can easily position your connected device. This simple-to-use universal AC adapter gets your electronics working again.
    See all Portable Chargers & Power Packs
    See all Portable Chargers & Power Packs
  7. Insignia™ - DisplayPort to HDMI Adapter - Black - Front_Zoom
    Top comment

    "This adapter works!...An essential HDMI ADAPTER...A great addition to my set of HDMI adapters. I use it multiple times every week."

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    Product Description

    Your computer doesn’t have to have an HDMI port to connect to an extra display. This DisplayPort to HDMI adapter converts a DisplayPort output to an HDMI input, letting you connect your computer to an HDMI-enabled TV, monitor or projector. Resolutions up to 4K Ultra HD (4096 × 2160p) at 60Hz deliver outstanding presentations or movie showings with crystal clear video quality. Plus, the compact design makes it easy to carry, and plug and play technology requires no additional software on your end. Make the connections you need with the Insignia NS-PADPHD DisplayPort to HDMI Adapter.
    See all Monitor & Video Cables
    Top comment

    "This adapter works!...An essential HDMI ADAPTER...A great addition to my set of HDMI adapters. I use it multiple times every week."

    See all customer reviews

    Product Description

    Your computer doesn’t have to have an HDMI port to connect to an extra display. This DisplayPort to HDMI adapter converts a DisplayPort output to an HDMI input, letting you connect your computer to an HDMI-enabled TV, monitor or projector. Resolutions up to 4K Ultra HD (4096 × 2160p) at 60Hz deliver outstanding presentations or movie showings with crystal clear video quality. Plus, the compact design makes it easy to carry, and plug and play technology requires no additional software on your end. Make the connections you need with the Insignia NS-PADPHD DisplayPort to HDMI Adapter.
    See all Monitor & Video Cables
    See all Monitor & Video Cables
  8. Best Buy essentials™ - Mini DisplayPort to HDMI Adapter - White - Front_Zoom
    Top comment

    "Purchased two of these adapters to hook up two monitors. Worked perfectly. ...Adapter...Pretty awesome adapter and so the installation!!!!"

    See all customer reviews

    Product Description

    Why settle for a small, single-monitor display when one simple adapter can improve your viewing experience? This Best Buy Essentials BE-PAMDHD Mini DisplayPort to HDMI Adapter is the one-step solution to taking your viewing experience to the next level. This small adapter mirrors or extends the display from your Mini DisplayPort device to an HDMI-supported monitor. It supports resolutions up to 1920 × 1080 for high-quality video (and audio is supported when provided by the source). It has 24K gold plating to help guard against corrosion and loss of quality. Its neutral white design even matches your other Apple accessories, making this adapter a great way to expand your viewing experience.
    See all Monitor & Video Cables
    Top comment

    "Purchased two of these adapters to hook up two monitors. Worked perfectly. ...Adapter...Pretty awesome adapter and so the installation!!!!"

    See all customer reviews

    Product Description

    Why settle for a small, single-monitor display when one simple adapter can improve your viewing experience? This Best Buy Essentials BE-PAMDHD Mini DisplayPort to HDMI Adapter is the one-step solution to taking your viewing experience to the next level. This small adapter mirrors or extends the display from your Mini DisplayPort device to an HDMI-supported monitor. It supports resolutions up to 1920 × 1080 for high-quality video (and audio is supported when provided by the source). It has 24K gold plating to help guard against corrosion and loss of quality. Its neutral white design even matches your other Apple accessories, making this adapter a great way to expand your viewing experience.
    See all Monitor & Video Cables
    See all Monitor & Video Cables
  9. Microsoft - Surface Mini DisplayPort to VGA Adapter - Black - Front_Zoom
    Top comment

    "These adapters are super reliable and I use them with the Surface docking stations....I recently bought a Surface Pro 5 and tried out the less expensive, off-brand, multi-port adapters, despite their questionable reviews. I very quickly learned that it was a mistake, as the adapter didn't work out of the box. "

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    Product Description

    Connect your Surface Pro to a secondary monitor with this Microsoft Mini DisplayPort to VGA adapter. It lets you share pictures or videos to a larger screen for presentations or group entertainment.
    See all Tablet A/V Adapters
    Top comment

    "These adapters are super reliable and I use them with the Surface docking stations....I recently bought a Surface Pro 5 and tried out the less expensive, off-brand, multi-port adapters, despite their questionable reviews. I very quickly learned that it was a mistake, as the adapter didn't work out of the box. "

    See all customer reviews

    Product Description

    Connect your Surface Pro to a secondary monitor with this Microsoft Mini DisplayPort to VGA adapter. It lets you share pictures or videos to a larger screen for presentations or group entertainment.
    See all Tablet A/V Adapters
    See all Tablet A/V Adapters
  10. Best Buy essentials™ - Mini DisplayPort-to-VGA Adapter - White - Front_Zoom
    Top comment

    "So glad these adapters are available to use. Much cheaper than upgrading....Quality adapter...Basic adapter that does the job with an older monitor"

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    Product Description

    Whether it’s for work or play, sometimes you just need an extra screen. The Best Buy essentials BE-PAMDVG Mini DisplayPort-to-VGA Adapter is just what you need to mirror or extend your computer’s desktop. Simply connect the adapter from your computer’s mini DisplayPort to a VGA-enabled display. Compatible with Windows and macOS systems, you can connect to monitors, TVs, projectors and more. Plus, you can plug it into Thunderbolt ports for even more connection options. Transfer speeds up to 2.7 Gbps and resolutions up to 1900 × 1200 grant you optimal high-quality images that leave everyone impressed. We’ve also made our adapter compact, so you can take it with you and connect your computer wherever it’s needed. And the adapter is backed by Best Buy, so you can have confidence in your computer’s setup.
    See all Monitor & Video Cables
    Top comment

    "So glad these adapters are available to use. Much cheaper than upgrading....Quality adapter...Basic adapter that does the job with an older monitor"

    See all customer reviews

    Product Description

    Whether it’s for work or play, sometimes you just need an extra screen. The Best Buy essentials BE-PAMDVG Mini DisplayPort-to-VGA Adapter is just what you need to mirror or extend your computer’s desktop. Simply connect the adapter from your computer’s mini DisplayPort to a VGA-enabled display. Compatible with Windows and macOS systems, you can connect to monitors, TVs, projectors and more. Plus, you can plug it into Thunderbolt ports for even more connection options. Transfer speeds up to 2.7 Gbps and resolutions up to 1900 × 1200 grant you optimal high-quality images that leave everyone impressed. We’ve also made our adapter compact, so you can take it with you and connect your computer wherever it’s needed. And the adapter is backed by Best Buy, so you can have confidence in your computer’s setup.
    See all Monitor & Video Cables
    See all Monitor & Video Cables
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