Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. 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 models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. 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. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Impedance levels vary (18 ohm vs 64 Ohms), which can affect compatibility and audio output when used with different devices. Sennheiser HD 300 and SoundMAGIC E80C offer different noise cancellation capabilities (AMBIENT vs Sound Isolation), which can impact how effectively they block external noise. If you're comparing Sennheiser HD 300 and SoundMAGIC E80C, both models offer a strong combination of sound performance, comfort, and modern wireless features.

Verdict: Choosing between Sennheiser HD 300 and SoundMAGIC E80C depends on whether you value better sound, longer battery life, or enhanced features.