Key Differences

If you're comparing Beyerdynamic DT 990PRO and Beyerdynamic MMX 150, both models offer a strong combination of sound performance, comfort, and modern wireless features. Impedance levels vary (250 ohm vs 32 ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (250 g vs 304 GM), which may affect comfort during extended use. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The driver size differs between the two (NA vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (5 - 35.000 Hz vs 5Hz - 30KHz), which can influence how well the headphones reproduce lows, mids, and highs. Beyerdynamic DT 990PRO and Beyerdynamic MMX 150 offer different noise cancellation capabilities (NA vs ‎Sound Noise Isolation), which can impact how effectively they block external noise.

Verdict: Choosing between Beyerdynamic DT 990PRO and Beyerdynamic MMX 150 depends on whether you value better sound, longer battery life, or enhanced features.