Sennheiser RS 175 vs Sony NWZ WH505-B – Full Comparison & Verdict (2026)

- Closed, circumaural headphones with excellent digital wireless audio transmission - Exceptional digital audio clarity and transmission range of up to 328ft/100m (line of sight) - Enables switching between dynamic bass and virtual surround sound listening modes for situational sound customization - Supports analog and digital audio inputs and allows toggling between the inputs - Intelligently designed controls for maximum ease of use - Multi-purpose transmitter â€“ also functions as â€˜easy-chargeâ€™ cradle and docking station - Multi-receiver transmission â€“ transmitter supports up to two pairs of headphones simultaneously - Ergonomic design for enhanced wearing comfort - 2-year warranty System Features - Range : Up to 100 m - Signal-to-noise ratio : Analog input: typ. 85 dBA at 1 Vrms : Digital input: > 90 dBA - Modulation : 8-FSK Digital - Carrier frequencies : 2.4 â€“ 2.48 GHz

- WALKMAN Series - Built-in Rechargeable lithium-ion Battery 3.7 V - Storage : 16 GB - Playback Capacity : Approx. 20 hours - Quick charge - Approx. 3 minutes charge enables up to approx. 60 minutes playback. - Operating Temperature : 5 Â°C to 35 Â°C (41 ÂºF to 95 ÂºF) - USB microB connector - Hi-Speed USB (USB 2.0 compliant)

Key Differences

From a usability standpoint, both models provide a reliable and premium headphone experience. Sennheiser RS 175 and Sony NWZ WH505-B 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 (NA vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (310 g vs 313 g), which may affect comfort during extended use. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. The frequency response differs (17 Hz - 22,000 Hz vs 5 - 25,000 Hz), 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. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Impedance levels vary (32 Ohms vs 40 ohm), which can affect compatibility and audio output when used with different devices.

Verdict: Choosing between Sennheiser RS 175 and Sony NWZ WH505-B depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

Driver Size: NA vs 40 mm
Weight: 310 g vs 313 g
Impedance: 32 Ohms vs 40 ohm

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Key Differences

Top Differences