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 (204 g (without battery) vs 153 Gm), which may affect comfort during extended use. If you're comparing Sennheiser RS 180 and Skullcandy Riff Wireless 2, both models offer a strong combination of sound performance, comfort, and modern wireless features. Sennheiser RS 180 and Skullcandy Riff Wireless 2 offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. The frequency response differs (18 - 21000 Hz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Impedance levels vary (32 ohms vs 32 Ohm), which can affect compatibility and audio output when used with different devices. From a usability standpoint, both models provide a reliable and premium headphone experience. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Battery life varies between the two (24 hrs vs 34 Hours), which affects how long you can use them on a single charge.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.