There is a noticeable difference in weight (217 Gm vs 13 GM), which may affect comfort during extended use. The driver size differs between the two (NA vs 10 mm), which can influence sound depth, bass response, and overall audio clarity. Impedance levels vary (18 ohm vs 64 Ohms), which can affect compatibility and audio output when used with different devices. If you're comparing Sennheiser HD 300 and SoundMAGIC E80C, both models offer a strong combination of sound performance, comfort, and modern wireless features. The frequency response differs (18 Hz - 20000 Hz vs 15 Hz - 22KHz), which can influence how well the headphones reproduce lows, mids, and highs. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. From a usability standpoint, both models provide a reliable and premium headphone experience. Sennheiser HD 300 and SoundMAGIC E80C offer different noise cancellation capabilities (AMBIENT vs Sound Isolation), which can impact how effectively they block external noise.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.