Audio-Technica ATH-M40x

Audio-Technica ATH-M40x Professional Studio Monitor Headphones User Manual

Model: ATH-M40x | Brand: Audio-Technica

Introduction

The Audio-Technica ATH-M40x professional monitor headphones are engineered for accurate audio monitoring across an extended frequency range. Designed with robust construction and professional-grade materials, these headphones provide superior sound isolation and comfort for various audio tasks, including studio tracking, mixing, and DJ monitoring.

Audio-Technica ATH-M40x Professional Studio Monitor Headphones, black, with silver accents.

Figure 1: Audio-Technica ATH-M40x Professional Studio Monitor Headphones.

What's in the Box

Your ATH-M40x package includes the following items:

Included accessories for Audio-Technica ATH-M40x headphones: coiled cable, straight cable, 1/4 inch adapter, and protective pouch.

Figure 2: All items included with the ATH-M40x headphones.

Setup

  1. Connecting the Cable:

    Select either the coiled or straight cable. Insert the 2.5mm end of the cable into the jack on the left earcup of the headphones. Align the white line on the cable connector with the white line on the headphone jack, then twist clockwise to lock the cable securely in place. To remove, twist counter-clockwise and pull.

    Video 1: Demonstrating how to connect and secure the detachable cable to the ATH-M40x headphones.

  2. Using the 6.3mm (1/4") Adapter:

    If connecting to equipment with a 6.3mm (1/4") input, screw the included 6.3mm adapter onto the 3.5mm end of your chosen cable. Ensure it is screwed on tightly for a secure connection.

  3. Adjusting the Headband:

    Adjust the headband by sliding the earcups up or down until they fit comfortably over your ears. The professional-grade earpad and headband material ensures comfort during extended use.

Operating Instructions

Maintenance

Troubleshooting

ProblemPossible CauseSolution
No sound or low volume
  • Cable not properly connected.
  • Volume on audio source is too low.
  • Incorrect audio source selected.
  • Ensure cable is fully inserted and twisted to lock.
  • Increase volume on your audio device.
  • Verify the correct audio output is selected on your device.
Distorted sound
  • Volume on audio source is too high.
  • Damaged cable or headphones.
  • Decrease volume on your audio device.
  • Try a different cable. If distortion persists, contact support.
Cable detaches easily
  • Cable not twisted to lock.
  • Worn cable connector or headphone jack.
  • Ensure cable is fully inserted and twisted clockwise to lock.
  • Inspect cable and jack for damage. Replace cable if necessary.

Specifications

FeatureDetail
Model NameATH-M40x
Audio Driver Size40 Millimeters
Frequency Response15 - 24,000 Hz
Sensitivity98 dB
Impedance35 Ohms
Connectivity TechnologyWired
Headphones Jack3.5 mm Jack (with 6.3mm adapter)
Cable FeatureDetachable (Coiled and Straight cables included)
Noise ControlSound Isolation
Special FeatureFoldable, 90-degree Swiveling Earcups
Item Weight0.24 Kilograms (8.4 ounces)
MaterialAluminum

Warranty and Support

Audio-Technica products are designed for durability and performance. For warranty information, technical support, or service inquiries, please visit the official Audio-Technica website or contact your local dealer.

Keep your proof of purchase for warranty claims. Unauthorized repairs may void your warranty.

Additional Resources

For more detailed information and visual guides, please refer to the following videos:

Video 2: Overview of Audio-Technica ATH-M40x headphones by Reviews by the happy family.

Video 3: Comparison of ATH-M20x vs ATH-M40x by soYmartino, highlighting differences.

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