🔊 3.5 mm Stereo Auxiliary (AUX) Cable — Technical Specifications
📶 Connectors
Connector A: Male 3.5 mm TRS plug (stereo)
Connector B: Male 3.5 mm TRS plug (stereo)
Tip‑Ring‑Sleeve (TRS):
Tip — Left audio
Ring — Right audio
Sleeve — Ground/Shield
📡 Wiring & Audio
Channels: 2‑channel stereo (Left + Right)
Signal type: Analog audio (line‑level)
Impedance: Typically ≤ 100 Ω (cable doesn’t affect impedance much; source/sink determines)
Frequency response: 20 Hz – 20 kHz (audio full range)
🛠️ Cable Construction
Conductor material:
Oxygen‑free copper (OFC) or copper alloy (common)
Shielding:
Braided shield / foil shield to reduce interference
Jacket:
PVC or TPE (flexible, durable)
Terminations:
Gold‑plated or nickel‑plated connectors (for corrosion resistance and better contact)
📏 Physical Specs
Length: Typically available in:
0.3 m (1 ft), 1 m (3 ft), 1.5 m (5 ft), 3 m (10 ft) (varies by product)
Cable diameter: ~3–5 mm (varies)
Connector housing: Molded plastic or metal (depends on quality)
📌 Compatibility
Works with any device that has a standard 3.5 mm headphone / line‑out / line‑in jack, including:
Smartphones, tablets, laptops
Car stereos
Portable speakers
Home audio receivers
Headphone amps
PCs, gaming consoles, DACs
🔊 Supported Use Cases
Audio playback: Device (phone/tablet) → speaker / stereo / amplifier
Car audio: Smartphone → car head unit AUX input
Recording / monitoring: Line‑out → recorder / interface
Headphone extension: to adapt distance between devices
📊 Quick Summary Table
| Feature | Specification |
|---|---|
| Connectors | 2 × Male 3.5 mm TRS |
| Channels | Stereo (L + R) |
| Signal | Analog audio (line‑level) |
| Frequency response | 20 Hz – 20 kHz |
| Conductors | Copper / OFC |
| Shielding | Braided/foil |
| Cable jacket | PVC/TPE |
| Length | Varies (0.3 m–3 m typical) |
💡 Notes
Not suitable for microphone with TRRS jacks (if your device uses a 4‑pole TRRS headset connector, you’ll need a TRRS cable or adapter).
Interference resistance increases with better shielding and build quality.
