The frequency response differs (18 Hz -20000 Hz vs 15 Hz - 22KHz), which can influence how well the headphones reproduce lows, mids, and highs. There is a noticeable difference in weight (NA vs 13 GM), which may affect comfort during extended use. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Impedance levels vary (100 Ohms vs 64 Ohms), which can affect compatibility and audio output when used with different devices. Koss SB45 and SoundMAGIC E80C are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Koss SB45 and SoundMAGIC E80C offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. 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.

Verdict: Choosing between Koss SB45 and SoundMAGIC E80C depends on whether you value better sound, longer battery life, or enhanced features.