Audio Technica ATH-ANC9 vs Audio Technica ATH-M40x – Detailed Specs Comparison (2026)

- Delivering noise cancellation up to a remarkable 95% - Tri-Level Cancellationâ„¢. - Mode 1: Ideal for use on airplanes, trains and buses, applies maximum noise cancellation to low frequencies. - Mode 2: Designed especially for use in noisy offices or crowded places, targets the mid-range frequencies. - Mode 3: Creates a pristine, peaceful environment ideal for study. - ATH-ANC9 also work when the noise-cancelling function is turned off

Collapsible for space-saving portability. Cutting-edge engineering and robust construction. 90Â° swiveling earcups for easy, one-ear monitoring. Detachable cable ( includes 1.2 m - 3.0 m coiled cable and 3.0 m straight cable ). 40 mm drivers with rare earth magnets and copper-clad aluminum wire voice coils. Tuned flat for incredibly accurate sound monitoring across the entire frequency range. Professional-grade earpad and headband material delivers more durability and comfort. Circumaural design contours around the ears for excellent sound isolation in loud environments. 3 YEAR WARRANTY : With over 50 years of Japanese Innovation and Quality behind it, this comes with a 3-year warranty from Audio-Technica that covers manufacturing defects.

Key Differences

There is a noticeable difference in weight (220 g (Inclusive of Battery and Cable) vs 240 GM), which may affect comfort during extended use. Audio Technica ATH-ANC9 and Audio Technica ATH-M40x are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Impedance levels vary (100 ohms (when noise cancelling function is used) vs 35 ohm), which can affect compatibility and audio output when used with different devices. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Audio Technica ATH-ANC9 and Audio Technica ATH-M40x offer different noise cancellation capabilities (Yes (Reduces Noise up to 30 dB) vs Sound Isolation), which can impact how effectively they block external noise. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. The frequency response differs (10 - 25,000Hz vs 15Hz - 24KHz), which can influence how well the headphones reproduce lows, mids, and highs. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.

Top Differences

Noise Cancelling: Yes (Reduces Noise up to 30 dB) vs Sound Isolation
Weight: 220 g (Inclusive of Battery and Cable) vs 240 GM
Impedance: 100 ohms (when noise cancelling function is used) vs 35 ohm

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Key Differences

Top Differences