Sennheiser RS 120 II vs Sony WH-XB700 – Key Differences & Best Choice (2026)

2-year warranty. Appealing, modern design. Range of up to 100 metres (300 feet). Optional wall mounting of transmitter possible. Rechargeable NiMH batteries included (size: AAA). Open, stereo, supraaural, wireless RF headphone system. Suitable for all types of modern music and TV applications. Wireless freedom with reception through walls and ceilings. Very lightweight headphones, extremely comfortable to wear. Detailed, analytical sound reproduction with strong bass response. Transmitter with metal cradle for storing and recharging the headphones. Control elements conveniently positioned to provide easy, intuitive operation.

One-touch listening with BluetoothÂ® and NFC technology. Up to 30 hours of battery life and quick charge. Sleek design and long-listen comfort. Built-in mic for hands-free calls. Gold-plated L-shaped Stereo Mini. EXTRA BASSâ„¢ for deep, punchy sound. Alexa and Google Assistant compatible with Voice Assistant feature. Quickcharge - 10 mins gives you music for 90 mins. 4 hours charging gives you all-day power with approximately 30 hours of play time. Near Field Communication (NFC) and BluetoothÂ® technology.

Impedance levels vary (37 ohm vs 24 ohm), which can affect compatibility and audio output when used with different devices. If you're comparing Sony WH-XB700 and Sennheiser RS 120 II, both models offer a strong combination of sound performance, comfort, and modern wireless features. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. The frequency response differs (20 Hz - 22,000 Hz vs 22 Hz - 19500 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Sony WH-XB700 uses Bluetooth 4.2 while Sennheiser RS 120 II supports Bluetooth NA, which can impact connectivity stability and efficiency. The driver size differs between the two (30 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. Battery life varies between the two (30 Hours vs 20 Hours), which affects how long you can use them on a single charge. Sony WH-XB700 and Sennheiser RS 120 II offer different noise cancellation capabilities (Digital vs NA), which can impact how effectively they block external noise. There is a noticeable difference in weight (195 gm vs 200 gm), which may affect comfort during extended use.

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

Top Differences

Battery Life: 30 Hours vs 20 Hours
Noise Cancelling: Digital vs NA
Driver Size: 30 mm vs NA
Bluetooth: 4.2 vs NA
Weight: 195 gm vs 200 gm

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Top Differences