Electronics
Amazon Basics 3.5mm Stereo Aux to 2 RCA Audio Cable Adapter for Sound, Connecting Amplifiers, Speakers, Smartphone, Tablet with Gold-Plated Plugs, 4 Feet/1.2 m, Black
Best for: connecting mobile devices to older stereo systems
ASIN: B01D5H8JW0
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Brand: Amazon Basics
This 4-foot cable bridges a standard 3.5mm headphone jack to dual RCA inputs, allowing direct audio connection from smartphones or tablets to stereos and amplifiers. Its gold-plated connectors and dual shielding help maintain signal clarity while minimizing interference during use.
Key features
- IN THE BOX: 4-foot audio adapter cable with (1) 3.5mm Male connector on one end and (2) Male RCA connectors on the other end
- CLEAR AUDIO: Dual-shielding, polished metal connectors, and a corrosion-resistant gold-plated 3.5mm connector for pure, clear audio and minimal signal loss
- STANDARD AUX JACK: Works with left and right audio input and devices with a standard 3.5mm auxiliary jack (typically used for headphones or ear buds)
- CONNECTS DEVICES: Easily connects devices like a smartphone, tablet, or MP3 player to a speaker, stereo receiver, or other RCA-enabled device
Price on Amazon
$7.55
Price as of Aug 10, 2026 9:12 PM 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 | PBH-19821 |
| Color | Black |
| Size | 4 Feet |
| Pack size | 1 |
| Dimensions | 53.3 inches × 1.06 inches × 0.53 inches (0.1168438 pounds) |
| UPC | 841710132120 |
| EAN | 0841710132120 |
| ASIN | B01D5H8JW0 |
| Brand | Amazon Basics |
| Category | Electronics |
Frequently Asked Questions
Can this cable connect a smartphone to a car stereo that only has RCA inputs?
Yes, this adapter allows you to connect devices with a standard 3.5mm auxiliary jack, such as smartphones or tablets, to speakers or receivers equipped with RCA input ports.
What is the exact length of this audio cable in inches?
The specifications list the length as 4 feet, which converts to approximately 53.3 inches for precise measurement reference.
Does the 3.5mm connector have any special plating to prevent corrosion?
The product features a corrosion-resistant gold-plated 3.5mm connector along with polished metal connectors to help maintain clear audio quality and minimize signal loss.
Is this cable compatible with MP3 players that use a headphone jack?
It works with any device featuring a standard 3.5mm auxiliary jack, which is commonly used for headphones or earbuds on MP3 players and other portable audio devices.
Last reviewed
August 10, 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.
Affiliate disclosure
As an Amazon Associate, I earn from qualifying purchases.
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