Introduction
Thank you for choosing the OneOdio Fusion A71 Wired Headphones. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your headphones to ensure optimal performance and longevity. The Fusion A71 headphones are designed for high-fidelity audio, offering balanced sound with clear highs and stable bass, suitable for studio monitoring, DJing, and general audio enjoyment.

Image: OneOdio Fusion A71 headphones highlighting Hi-Res Audio capabilities.
What's in the Box
Please check the package contents to ensure all items are present:
- Fusion A71 Wired Headphones
- 3.5 mm Jack Cable with Microphone (1.2 m)
- 3.5 mm to 6.35 mm Extendable Cable (2-3 m)
- Protective Pouch
- User Manual

Image: All items included in the Fusion A71 package.
Product Overview
The OneOdio Fusion A71 headphones feature a robust and comfortable design for extended use.
- Adjustable Headband: The headband can be extended to fit various head sizes, ensuring a secure and comfortable fit.
- Rotating Earcups: Earcups can rotate 90 degrees for single-ear monitoring and flat storage.
- Soft Earpads: Ergonomic, skin-friendly, soft, and breathable oval earpads (95mm wide) provide comfort and passive noise isolation.
- Dual-Port Design: Features both 3.5mm and 6.35mm audio jacks for versatile connectivity.
- SharePort Technology: Allows another headphone to connect to the available jack to share audio.

Image: Adjustable headband for a customized fit.

Image: Earpad dimensions for comfort reference.
Setup
The Fusion A71 headphones offer flexible connectivity options for various devices.
- Connecting to 3.5mm Devices: Use the 3.5mm jack cable (with or without microphone) to connect to smartphones, tablets, PCs, MP3 players, and other devices with a 3.5mm audio output.
- Connecting to 6.35mm Devices: Use the 3.5mm to 6.35mm extendable cable. Plug the 3.5mm end into the headphone's 3.5mm port and the 6.35mm end into devices like amplifiers, mixers, controllers, synthesizers, keyboards, or electronic drums.
- SharePort Functionality: To share audio with another person, connect your Fusion A71 headphones to an audio source using one of the cables. Then, plug another pair of headphones into the unused audio jack on your Fusion A71 headphones. The audio will be duplicated to both headphones.

Image: Connectivity options for the Fusion A71 headphones.
Operating Instructions
Audio Playback
Once connected to your audio source, ensure the volume on your device is set to a comfortable level before placing the headphones on your head. The Fusion A71 provides clear and balanced audio for music, podcasts, movies, and professional monitoring.
Using the In-line Microphone and Controls
The 1.2m cable includes an in-line microphone and a multi-function button for convenient control:
- Play/Pause: Press the button once to play or pause audio.
- Answer/End Call: Press the button once to answer an incoming call or end an ongoing call.
- Microphone: The integrated microphone allows for hands-free communication during calls.

Image: In-line control functions for audio and calls.
Professional Use
The Fusion A71 headphones are ideal for studio recording, DJing, and monitoring. Their circum-aural, closed-back design provides moderate passive noise isolation, allowing for focused work. The 90-degree rotating earcups facilitate single-ear monitoring, a common practice for DJs.

Image: Headphones in use by a DJ.
Maintenance
Proper care will extend the life of your OneOdio Fusion A71 headphones.
- Cleaning: Use a soft, dry cloth to clean the headphones. For earpads, a slightly damp cloth can be used, but avoid excessive moisture. Do not use harsh chemicals or abrasive cleaners.
- Storage: When not in use, fold the headphones to their compact size and store them in the provided protective pouch. This protects them from dust and physical damage.
- Cable Care: Always grasp the plug, not the cable, when disconnecting. Avoid sharp bends or kinks in the cables.
- Avoid Moisture: The headphones are not waterproof. Avoid exposure to rain, splashes, or high humidity.

Image: Folded headphones and protective pouch for easy storage.
Troubleshooting
If you encounter issues with your Fusion A71 headphones, refer to the following common problems and solutions:
| Problem | Solution |
|---|---|
| No sound or low volume |
|
| Sound distortion or poor quality |
|
| Microphone not working |
|
| Headphones feel uncomfortable |
|
Specifications
| Brand | OneOdio |
| Model Name | A71 |
| Color | Silver |
| Form Factor | Circum-Aural (Over-Ear) |
| Ear Placement | Supra-Aural |
| Connectivity Technology | Wired |
| Headphone Jack | 3.5 mm and 6.35 mm |
| Impedance | 32 Ohms |
| Sensitivity | 110 dB |
| Frequency Range | 20 Hz - 20,000 Hz |
| Noise Control | Sound Isolation (Passive) |
| Weight | 247 Grams |
| Material | Faux Leather (earpads, headband) |
| Special Features | Microphone included, Foldable design |
| Compatible Devices | Computer, Laptop, Phone, Tablet, AMP, Mixers, Controllers, Synthesizers, Keyboards, Electronic Drums |
Warranty and Support
OneOdio products are designed for durability and performance. For warranty information and customer support, please refer to the following:
- Warranty: The product comes with a manufacturer's warranty. Please refer to the warranty card included in your package or visit the official OneOdio website for specific terms and conditions.
- Customer Support: For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact OneOdio customer support through their official website or the retailer where you purchased the product.







