Beyerdynamic DT 990 PRO vs Audio Technica ATH-E40 – Detailed Specs Comparison (2026)

- Open diffuse field studio headphone - Robust spring steel headband - Single sided cable - Soft inner headband - Gold plated stereo jack plug (3.5 mm) & 1/4" adapter (6.35 mm) - Including drawstring bag

3-Year Warranty from Audio-Technica that covers manufacturing defects. The proprietary dual phase push-pull driver design of the ATH-E40 professional in-ear monitor headphones provides improved fidelity and efficiency. These headphones deliver powerful bass along with balanced mid and high frequencies to convey the full emotion of the music from the stage to the street. The headphones also come with a detachable 1.6 m (5.2') cable, with newly developed A2DC (Audio Designed Detachable Coaxial) connectors at the headphones and a 3.5 mm (1/8") stereo mini-plug output, and a carrying case. The ATH-E40 features specially designed housings that provide incredible isolation. The isolation â€“ and the comfort â€“ are enhanced by the four sizes of included silicone eartips (XS/S/M/L), which allow you to create a custom fit.

Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. The driver size differs between the two (NA vs 8.5 mm), which can influence sound depth, bass response, and overall audio clarity. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Impedance levels vary (250 Ohms vs 12 ohm), which can affect compatibility and audio output when used with different devices. The frequency response differs (5 Hz - 35000 Hz vs 20Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. Beyerdynamic DT 990 PRO and Audio Technica ATH-E40 offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise. There is a noticeable difference in weight (250 g vs 10 GM), which may affect comfort during extended use. Beyerdynamic DT 990 PRO and Audio Technica ATH-E40 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios.

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

Top Differences

Noise Cancelling: NA vs Sound Isolation
Driver Size: NA vs 8.5 mm
Weight: 250 g vs 10 GM
Impedance: 250 Ohms Vs 12 ohm

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Top Differences