Simple Guide to Connect Speakers & Other Audio Devices to PC & Mac

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Simple instructions for using speakers or headphones on your PC or Mac
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You can easily connect an audio device, like a speaker or headphones, to your computer using Bluetooth or an audio cable. This step-by-step guide will teach you how to connect any audio device to your PC or Mac.

Connecting Speakers and Other Audio Devices to a Computer

  • You can connect an audio device to your computer using a 3.5mm audio cable, USB cable, HDMI cable, optical cable, or an RCA cable with the right adapter.
  • To connect a wireless audio device, put it into pairing mode and select it in your PC or Mac's Bluetooth settings.
  • You can select your default audio output and input device in the Sound Settings menu on both PC and Mac.
Method 1
Method 1 of 5:

Connecting via Audio Cable

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  1. On desktop PCs, this port is typically on the back of the CPU box, while iMacs have a 3.5-millimeter headphone jack on the back of the monitor. On laptops and MacBooks, it will generally be on the right or left side of the keyboard. Some common audio-out methods include the following:
    • Optical — A pentagonal port. Optical cables will usually work with high-end, modern speakers.
    • RCA — These are red and white color-coded ports. These ports receive 3.5-millimeter cables of the same colors.
    • Headphone jack — The 3.5-millimeter headphone jack can reliably be found on most computers somewhere on the side of a laptop or the back of a computer case. For speakers or headphones, the plug is sometimes color-coded in green and usually has a headphone symbol identifying it. The pink jack is for microphones, and the blue jack is for Line-In, similar to an aux input. Many headsets have a single 3.5mm jack for both the audio and microphone.
    • HDMI — HDMI slots work the same on your computer as on your TV, including audio transmission.
    • USB — Some audio devices can be connected to your computer using a USB port. You can connect to any free USB port on your PC or Laptop
  2. The microphone jack is the same size as the headphone jack (3.5 millimeters) and usually has an image of a microphone next to it. If you're connecting a device that needs separate microphone input (e.g., some gaming headsets), you'll need to know where the microphone port is.
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  3. If your audio device's output cable doesn't match the inputs on your computer, you will likely need to purchase an adapter, such as an HDMI-to-USB adapter.
    • If your headset has two 3.5mm cables for the audio and the mic, and your PC only has one input for both, you can purchase an adapter that combines both the audio and mic into a single 3.5mm input.
    • You can find audio converters, also known as "audio extractors", in most tech departments in retail stores or online.
    • If you have to use an audio extractor, you'll also need to purchase a separate set of cables to attach the extractor to your computer.
  4. Things like speakers and condenser microphones will likely need a power source (e.g., a wall socket or your computer's USB port) to function.
    • You may also need to turn the device on on the main unit.
  5. The device's main unit (e.g., the headset or main speaker) should have an audio cable that plugs into your computer's audio output port.
    • If needed, first plug your device into an audio extractor.
  6. You can play a video or music to determine whether or not the audio output is working, or try recording a voice memo with your new microphone (if applicable).
    • You may need to change the audio output restart your computer or update your computer's software if your device doesn't work.
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Method 2
Method 2 of 5:

Connecting via Bluetooth on PC

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  1. To do so, click the Windows Start button and then click the gear.
  2. On Windows 10, click Devices in the top row of icons. On Windows 11, click Bluetooth & devices in the menu bar to the left.
  3. It's a tab on the far-left side of the page.
  4. To do so, click the switch below the "Bluetooth" heading at the top of the page.
    • If you see "On" to the right of the switch, Bluetooth is enabled.
  5. Turn on your Bluetooth audio device and make sure it's in "pairing" mode or "discoverable" mode. If necessary, plug it into a power source.
    • All devices are different, so check the manual that came with your audio device to find out how to put your device into "pairing" mode if you don't know how. Generally, there is a button you press and hold. You will hear an audible tone or see flashing lights to indicate the device is in pairing mode.
  6. This button is at the top of the menu. On Windows 10, it reads "+ Bluetooth or other device." On Windows 11, it reads "Add device."
  7. It's the top option in the Add a Device window.
  8. It should appear in the "Add a Device" window; its name will likely be a combination of the model number and the manufacturer's name. Once you click it, it will begin pairing with your device automatically.
    • If you don't see the device appear, double-check that the device is in "pairing" mode, then scan for nearby devices again.
  9. This button will appear in the bottom-right corner of the available Bluetooth devices window.
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Method 3
Method 3 of 5:

Connecting via Bluetooth on Mac

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  1. Depending on the device, you may first need to connect it to a power source.
  2. It's the B-shaped icon on the right side of the menu bar that's at the top of the screen. Doing so will invoke a drop-down menu.
  3. If your Mac's Bluetooth isn't enabled, you'll need to turn it on to view your Bluetooth device.
  4. Turn on your Bluetooth audio device and make sure it's in "pairing" mode or "discoverable" mode. If necessary, plug it into a power source.
    • All devices are different, so check the manual that came with your audio device to find out how to put your device into "pairing" mode if you don't know how. Generally, there is a button you press and hold. You will hear an audible tone or see flashing lights to indicate the device is in pairing mode.
  5. This will likely be a combination of the model number and the manufacturer's name.
    • If you don't see your device's name, make sure your device is still in "pairing" mode.
  6. Doing so will prompt your Mac and the device to pair.
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Method 4
Method 4 of 5:

Setting Default Audio Devices on PC

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  1. You should see several results appear in the Start window.
  2. This option has a symbol of a speaker next to it. Doing so will open your audio manager.
  3. On Windows 10, use the drop-down menu at the top of the page to select the device you want to use to play audio. On Windows 11, click the radio option next to the audio device you want to use.
  4. If you have a mic or audio interface connected, select it in the box below "Input". On Windows 10, use the drop-down menu to select your audio input device. On Windows 11, click the radio option next to the device you want to use.
  5. You can adjust the volume by using the slider bar below the input or output device.
  6. You can play a video or music to determine whether or not the audio output is working, or try recording a voice memo with your new microphone (if applicable).
    • You may need to restart your computer or update your computer's software if the device doesn't work.
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Method 5
Method 5 of 5:

Setting Default Audio Devices on Mac

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  1. To do so, click the Apple icon in the upper-left corner and then click System Settings or System Preferences .
  2. On older macOS versions, it's the speaker-shaped icon in the System Preferences window. On newer macOS versions, it's in the menu bar to the left.
  3. On older macOS versions, it's at the top of the Sound window. On newer versions of macOS, it's in the middle of the page.
    • If you're attaching a microphone, click the Input tab instead.
  4. Double-click the name of the device you want to use to play audio.
  5. On older macOS versions, it's at the top of the Sound window. On newer versions of macOS, it's in the middle of the page.
  6. This can be a microphone or an audio interface. Double-click the device you want to use to receive audio.
  7. You can play a video or some music to determine whether or not the audio output is working, or try recording a voice memo with your new microphone (if applicable). [1]
    • You may need to restart or update your computer's software if your device doesn't work.
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      Tips

      • When connecting a microphone to a sound card, you'll need to connect it to the Mic-In input rather than the Line-In since Line-In inputs don't handle microphone frequencies well. Things like instruments and DVD players will plug into the Line-In input.
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      • Most Bluetooth devices must be charged after a while rather than necessitating constant connection to a power source.
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      Warnings

      • Some devices are too old to support newer devices, and vice versa. If your computer is too old to support a Bluetooth device and can't use a traditional connection (e.g., a wired headset, speakers, etc.), you'll need to upgrade your computer.
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      References

      1. ↑ https://support.apple.com/guide/mac-help/set-up-a-bluetooth-audio-device-mh26833/mac

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