3.5mm Stereo Female to Female Audio Connector

3.5mm Female to Female Audio Adapter - High-Quality AUX Coupler for Seamless Stereo Connectivity

Enhance your audio experience with this premium 3.5mm female to female adapter, engineered for reliable and distortion-free signal transmission between stereo devices. Whether you're connecting two headphones, extending an AUX cable, or linking audio components in a home entertainment setup, this versatile coupler ensures consistent performance across various applications. Designed and manufactured by Changzhou KingSun New Energy Technology Co., Ltd., a trusted OEM/ODM supplier specializing in high-precision connectors, this product combines durability, precision engineering, and global compliance standards.

Key Features:

• High-conductivity copper contacts ensure minimal signal loss and crystal-clear sound quality
• Robust plastic housing with reinforced strain relief for long-term reliability
• Compatible with standard 3.5mm TRS (Tip-Ring-Sleeve) stereo audio jacks found on smartphones, laptops, car stereos, and portable speakers
• Supports both left and right channel transmission without interference
• Perfect for repairing broken cables, creating custom-length extensions, or splitting signals in multi-device setups

This female-to-female coupler is more than just a simple connector—it's a solution-oriented tool designed for audiophiles, tech enthusiasts, and professionals who demand consistency and performance. The internal wiring follows international specifications for stereo audio transmission, making it ideal for use in automotive infotainment systems, studio monitoring setups, and consumer electronics repair scenarios. Its compact design allows for easy storage and portability, while the smooth insertion mechanism reduces wear over time compared to cheaper alternatives.

Common Use Cases:

• Extending headphone cables or combining short segments into longer ones
• Connecting multiple audio devices using a single source (e.g., dual headphones during shared listening)
• Repairing damaged AUX cables by splicing them with this coupler
• Installing aftermarket car audio systems where existing cables may not reach
• Creating custom speaker arrays or temporary audio loops for live events or presentations

Customers worldwide have praised the reliability of this connector, particularly noting its ability to maintain consistent volume levels and stereo balance even under frequent use. Many users report that it outperforms generic brands due to superior contact pressure and reduced microphonics—a common issue with poorly made adapters that cause unwanted noise when moved or bent.

Frequently Asked Questions:

Q: Are you a manufacturer? A: Yes, we are a certified manufacturer based in China with over a decade of experience producing high-quality audio connectors and cable accessories for international markets.

Q: Can I get a free sample? A: We offer free samples of existing models—shipping costs apply. For custom requests, please reach out directly for tailored solutions.

Q: How could I pay? A: We accept bank transfer (T/T) as our preferred method, but other payment terms can be arranged upon request.

Q: Is the quality of your product guaranteed? A: Absolutely. Our production line uses advanced machinery and rigorous testing protocols aligned with ISO and RoHS standards. Every batch undergoes electrical continuity and insulation resistance checks before packaging.

Q: What is the delivery lead time? A: Production typically takes 10–25 days after deposit confirmation, depending on order volume and customization requirements.

Q: What else can I buy from you? A: In addition to 3.5mm female-to-female adapters, we supply RCA connectors, Fakra connectors, Mini Fakra modules, HDMI and USB-C cables, car antenna interfaces, and bespoke audio/video solutions for industrial and consumer applications.