Introduction
Thank you for choosing the Audix A150 Studio Reference Closed-back Headphones. Designed for mixing and mastering, these headphones provide accurate and detailed sound reproduction with a smooth, linear response. Their superior clarity and circumaural design make them ideal for critical audio work, minimizing sound bleed and ensuring a comfortable listening experience.
Package Contents
Verify that all items listed below are included in your package:
- Audix A150 Studio Reference Headphones
- Detachable 1.8-meter audio cable
- Detachable 3.0-meter audio cable
- Protective carry case

Setup
Connecting the Audio Cable
- Select the desired audio cable (1.8m or 3.0m) based on your needs.
- Locate the 3.5mm audio jack input on the left earcup of the A150 headphones.
- Firmly insert the smaller end of the chosen audio cable into the headphone's input jack until it clicks into place.
- Connect the larger 3.5mm end of the audio cable to your audio source (e.g., audio interface, mixer, computer, mobile device). An adapter may be required for 6.35mm (1/4 inch) jacks, typically included with professional audio equipment.

Operating Instructions
Wearing the Headphones
The Audix A150 headphones are designed for extended comfort. Adjust the headband to ensure the earcups fully enclose your ears, providing optimal sound isolation and comfort. The circumaural design helps minimize external noise and prevent sound leakage.

Audio Playback
Once connected to your audio source, begin playback. Adjust the volume directly from your audio source. The A150 headphones are engineered to deliver a flat, neutral frequency response, making them ideal for critical listening, mixing, and mastering applications.
Storage and Transport
For storage or transport, detach the audio cable from the headphones. The earcups can swivel flat, and the headphones can be folded to fit securely into the included protective carry case, protecting them from dust and damage.

Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use liquid cleaners or solvents.
- Storage: Store the headphones in their protective carry case when not in use to prevent dust accumulation and physical damage.
- Cable Care: Avoid sharp bends or excessive pulling on the audio cables to prevent internal wire damage.
- Temperature: Do not expose the headphones to extreme temperatures or high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound | Cable not fully connected; Audio source volume too low; Incorrect audio output selected on device. | Ensure cable is securely plugged into both headphones and audio source. Increase volume on audio source. Verify correct audio output is selected on your device. |
| Distorted Sound | Audio source volume too high; Damaged cable; Faulty audio source. | Reduce volume on audio source. Try a different audio cable. Test with a different audio source. |
| Sound Only in One Earcup | Cable not fully connected; Damaged cable; Audio source balance setting. | Check cable connection at both ends. Try a different audio cable. Check audio balance settings on your device. |
Specifications
- Model: A-150
- Type: Closed-back, Over-Ear, Dynamic
- Driver Size: 50 mm
- Frequency Range: 10 Hz – 30 kHz
- Connectivity: Wired (3.5mm Jack)
- Noise Control: Sound Isolation
- Weight: Approximately 1.36 pounds (0.62 kg)
- Dimensions: 9 x 8.5 x 3 inches (approximate)
- Color: Black
- Included Accessories: 1.8m cable, 3.0m cable, Hard Carry Case
Warranty and Support
Audix A150 headphones are covered by a manufacturer's warranty. For detailed warranty information, product support, or service inquiries, please visit the official Audix website or contact their customer service directly. Keep your proof of purchase for warranty claims.
Official Audix Website: www.audixusa.com