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"3.5mm Adapters"

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342 items
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Insignia™ - 3' 3.5mm Cassette Adapter - Larger Front
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  • Model: NS-CA103
  • SKU: 5019323
Compatible with most MP3 players, cell phones and other devices with a 3.5mm headphone jack; allows you to play audio through a cassette player; stereo jack; stereo separation; 3' length
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$14.99
GoPro - 3.5mm Microphone Adapter - Black - Angle
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  • Model: AMCCC-301
  • SKU: 1697004
Compatible with HERO3, HERO3+, HERO4 Black and HERO4 Silver cameras; enables connection of most external microphones with a 3.5mm connector
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$19.99
iSimple - BluJax 3.5mm Bluetooth Adapter - Black - Larger Front
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  • Model: ISBT32
  • SKU: 8680102
Compatible with most devices with a 3.5mm auxiliary input; allows you to wirelessly stream music from a compatible Bluetooth-enabled device; built-in rechargeable battery; includes USB charging cable
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$39.99
Insignia™ - 1/4"-to-3.5mm Mini Headphone Jack Adapter - Black - Larger Front
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  • Model: NS-HZ307
  • SKU: 4716033
Compatible with most headphones with a 3.5mm mini connector; lets you connect your headphones to a 1/4" jack
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$4.99
Insignia™ - Dual 3.5mm Mini Headphone Jack Adapter - Black - Larger Front
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  • Model: NS-HZ305
  • SKU: 4561008
Compatible with most devices with a 3.5mm mini connector; lets you connect 2 pairs of headphones to a single 3.5mm mini jack
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$7.99
AudioQuest - Toslink-to-3.5mm Mini Optical Adapter - Black - Angle
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  • Model: OPLNKMINIADAPT
  • SKU: 6225006
Compatible with PC and Mac; adapts a full-size Toslink plug to a 3.5mm mini optical plug; secure connection
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$7.98
Fosmon - 3.5mm Male to 2.5mm Female Stereo Headset Adapter (Black) - Black - Larger Front
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  • Model: A1663
  • SKU: 1310062405
Mini-phone/Sub-mini phone for Headset, Cellular Phone, Audio Device, PDA, Speaker, iPhone, iPad, iPod - 1 x Mini-phone Male Stereo Audio - 1 x Sub-mini phone Female Stereo Audio - Black
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$4.99
Dynex™ - 3.5mm Y-Adapter - Black - Larger Front
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  • Model: DX-DMP3Y
  • SKU: 4811411
Compatible with devices with a standard 3.5mm headphone jack, including Apple® iPod®, iPhone® and iPad®; connects 2 sets of headphones to a laptop, MP3 player or CD player
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$4.99
Insignia™ - 3' 3.5mm-to-3.5mm Stereo Audio Cable - Hot Pink - Larger Front
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  • Model: NS-AUX3
  • SKU: 4085072
Compatible with most devices with a 3.5mm audio interface; nickel connector finish; PVC jacket; precision-made connectors; shielded design; ultrasmall form factor
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$12.99
Insignia™ - 3' 3.5mm-to-3.5mm Stereo Audio Cable - Cobalt Blue - Larger Front
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  • Model: NS-AUX1
  • SKU: 4085201
Compatible with most devices with a 3.5mm audio interface; nickel connector finish; PVC jacket; precision-made connectors; shielded design; ultrasmall form factor
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$12.99
Insignia™ - 3' 3.5mm-to-3.5mm Stereo Audio Cable - Horizon Blue - Larger Front
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  • Model: NS-AUX5
  • SKU: 4085169
Compatible with most devices with a 3.5mm audio interface; nickel connector finish; PVC jacket; precision-made connectors; shielded design; ultrasmall form factor
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$12.99
Insignia™ - 3' 3.5mm-to-3.5mm Stereo Audio Cable - Sea Green - Larger Front
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  • Model: NS-AUX4
  • SKU: 4085036
Compatible with most devices with a 3.5mm audio interface; nickel connector finish; PVC jacket; precision-made connectors; shielded design; ultrasmall form factor
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$12.99
Dynex™ - Male-to-Female 3.5mm Right-Angle Adapter - Black - Larger Front
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  • Model: DX-HZ321
  • SKU: 8444033
Compatible with most devices with 3.5mm connectivity; lets you connect a 3.5mm audio cable to your device at a right angle; space-saving design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$2.99
Image - Nintendo Wii to HDMI Converter 1080P TV AV HD Output Upscaling w/ 3.5mm Audio Adapter - White - White - Larger Front
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$18.99
On Sale
Save $29 (Reg. $47.99)
SpeakerCraft - 3.5mm IR Adapter - Black - Larger Front
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  • Model: CTL07101
  • SKU: 6825625
SPEAKERCRAFT 3.5mm IR Adapter: Designed to combine 2 IR signals or active-high serial data to 1 active-high output; includes 1' leads