Electronics
Amazon Basics 3.5mm Auxiliary Male to Female Jack Audio Extension Cable, Adapter for Headphone or Smartphone, 12 Foot, Black, AZ35MF02
Best for: extending headphone cable length for desktop setups
ASIN: B01CNAV1K2
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Brand: Amazon Basics
This 12-foot extension cable connects two standard 3.5mm male audio plugs to increase the distance between a device and its headphones or speakers. It uses gold-plated connectors to maintain stereo audio quality without signal loss. The adapter is strictly for audio playback and does not support microphone functions on 4-pole connectors.
Key features
- IN THE BOX: (1) 12 foot 3.5mm male-to-female cable that transmits audio in stereo format
- EXTENDS LENGTH: Add extra length to existing 3.5mm male-to-male cable (not included)
- UNIVERSALLY COMPATIBLE: Works with any device equipped with standard 3.5mm audio jack or AUX-in port
- RELIABLE PERFORMANCE: Beveled step-down design; gold-plated plugs for reliable, static-free performance
- NOTE: NOT compatible with 4 pole 3.5mm connectors as microphone function will not work. This cable supports audio playback only and is fully compatible with 3 pole 3.5mm connectors. (See image for compatible connector types)
Price on Amazon
$6.04
Price as of Aug 12, 2026 9:12 AM UTC
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
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Specifications
| Model | AZ35MF02 |
| Color | Black |
| Size | 12 Feet |
| Pack size | 1 |
| Dimensions | 144.0 inches × 0.389 inches × 0.389 inches (0.0881849048 pounds) |
| UPC | 841710127997 |
| EAN | 0841710127997 |
| ASIN | B01CNAV1K2 |
| Brand | Amazon Basics |
| Category | Electronics |
Frequently Asked Questions
Will this cable work with devices that have a microphone jack, such as headsets?
No, this cable is not compatible with 4-pole 3.5mm connectors because the microphone function will not work. It is designed exclusively for audio playback and supports only standard 3-pole 3.5mm connectors.
What are the physical dimensions of this extension cable?
The cable measures 144 inches in length with a width and height of approximately 0.389 inches each. It weighs about 0.088 pounds and comes in a black color.
Does this adapter extend the length of an existing audio cable?
Yes, it is designed to add extra length to an existing 3.5mm male-to-male cable, which is not included with the product. It transmits stereo audio through its beveled step-down design and gold-plated plugs.
Is this cable compatible with all smartphones and headphones?
It works universally with any device equipped with a standard 3.5mm audio jack or AUX-in port. However, it does not support devices requiring a 4-pole connector for microphone functionality.
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Last reviewed
August 12, 2026
Product listing details, features, and specs.
Editorial approach
Curated listings of Amazon Basics products with LLM-assisted summaries. Every specification, feature, and price is sourced from Amazon's Creators API — we don't invent reviews or ratings.
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As an Amazon Associate, I earn from qualifying purchases.
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