SoundMAGIC E11D vs Koss UR40 – Specs, Price & Comparison (2026)

USB Type-C connector with inbuilt DAC. Durable angled plug and y-split section. Comfortable and secure fit with isolating design. Superior sound with enhanced accuracy and detail. Integrated 3-button smart remote and microphone. Machined aluminium housing with minimalist design. Silver-plated copper cable provides high-resolution audio.

- Full-frequency clean sound turns any recording into a "live" performance - Screened ear cups provide open, hear-through sound letting listeners stay in touch with surroundings - Closed leatherette ear cushions form tight seal around ears, enhancing sound bass - Enjoy greater volume levels, even with low-voltage portable devices - Airy mesh sling provides soft, breathable support - Lightweight frame (just over 6 oz) folds into protective compact configuration for easy portability - Includes a straight, dual-entry 4 foot cord with gold-flashed 3.5 mm (1/8-inch) plug - Covered under the Koss Stereo phones Limited Lifetime Warranty

Key Differences

The frequency response differs (15 Hz - 22000 Hz vs 15 Hz - 22KHz), 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. There is a noticeable difference in weight (NA vs 15 GM), which may affect comfort during extended use. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Impedance levels vary (60 Ohms vs 42 Ohms), which can affect compatibility and audio output when used with different devices. If you're comparing Koss UR40 and SoundMAGIC E11D, both models offer a strong combination of sound performance, comfort, and modern wireless features. The driver size differs between the two (40 mm vs 10 mm), which can influence sound depth, bass response, and overall audio clarity. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices.

Verdict: Choosing between Koss UR40 and SoundMAGIC E11D depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

Driver Size: 40 mm vs 10 mm
Weight: NA vs 15 GM
Impedance: 60 Ohms vs 42 Ohms

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Key Differences

Top Differences