The frequency response differs (15 - 28,000 Hz vs 20 Hz - 40000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. From a usability standpoint, both models provide a reliable and premium headphone experience. Battery life varies between the two (40 Hours vs 28 Hours), which affects how long you can use them on a single charge. Audio Technica ATH-M50xBT PB and Soundcore Liberty 4 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. The driver size differs between the two (45 mm vs 6 X 9.2 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (‎308 gm vs 54 Gm), which may affect comfort during extended use. Audio Technica ATH-M50xBT PB uses Bluetooth 5.0 while Soundcore Liberty 4 supports Bluetooth 5.3, which can impact connectivity stability and efficiency. Audio Technica ATH-M50xBT PB and Soundcore Liberty 4 offer different noise cancellation capabilities (No vs Adaptive), which can impact how effectively they block external noise. Impedance levels vary (38 ohms vs 16 Ohm), which can affect compatibility and audio output when used with different devices.

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