Audio Jack (3.5mm) to RCA Converter Guide
Learn how to connect 3.5mm audio outputs to RCA inputs with wiring details and compatibility info.
What You Need to Know
- 3.5mm TRS: Commonly used on phones, laptops, tablets
- RCA (Red/White): Standard for home stereos, AV receivers, older TVs
- Signal Type: Analog stereo line-level audio
- Conversion: Passive cables only — no power required
- Quality: Depends on cable shielding and length
Types of Cables
- 3.5mm Male → Dual RCA Male
- 3.5mm Female → Dual RCA Female (for patching)
- Adapter + Splitter Cable (if not built-in)
Wiring Diagram
Here's how to wire a 3.5mm TRS to dual RCA connection:
| 3.5mm (TRS) | RCA Left (White) | RCA Right (Red) |
|---|---|---|
| TIP | Left Channel | |
| RING | Right Channel | |
| SLEEVE | Common Ground | |
Connector Types
- 3.5mm TRS: Stereo (Tip-Ring-Sleeve)
- RCA: Two separate channels (left/right)
When to Use This Conversion
- Connecting a smartphone to a home stereo system
- Playing music from a laptop to old-school speakers
- Hooking up a mixer or DJ controller with RCA output
- Connecting PC headphone jack to powered subwoofer
- DIY audio routing without digital conversion
Things to Watch For
- Impedance mismatch can cause volume imbalance
- Long cables may introduce noise or signal loss
- Not suitable for microphone input
- Unbalanced connections — not ideal for long runs