Sennheiser RS 165 vs Audio Technica ATH-M20xBT – Key Differences & Best Choice (2026)

- TR 165 transmitter - Audio cable (analog) - Power supply with 4 adapters - 2 AAA NiMH rechargeable batteries - Closed, circumaural headphones with excellent digital wireless audio transmission - High-quality Sennheiser transducers and a selectable Bass Boost mode for vibrant sound - 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

Includes 1.2 m (3.9') cable for optional wired connection. Over-ear design for excellent sound isolation in loud environments. Professional-grade earpad and headband material for long-lasting durability and comfort. Multipoint pairing function allows you to stay connected to two Bluetooth devices at once. Low latency mode improves synchronicity between audio and video for smooth streaming and gaming. Microphone and buttons built into the left earcup let you easily control calls, music playback, and volume. Wireless, on-the-go design delivers the same sonic signature as the wired ATH-M20x professional studio headphones. Up to 60 hours of continuous use on a full charge and up to 3 hours of use on a 10-minute rapid charge ( via USB-C connection ). 40 mm drivers with rare earth magnets and copper-clad aluminum wire voice coils are tuned for enhanced low-frequency performance.

Key Differences

Battery life varies between the two (18 Hrs vs 60 Hours), which affects how long you can use them on a single charge. The driver size differs between the two (NA vs 40 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. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Impedance levels vary (32 Ohms vs 36 ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (Approx. 300 g vs 216 GM), which may affect comfort during extended use. The frequency response differs (18 Hz-21,000 Hz vs 5Hz - 32KHz), which can influence how well the headphones reproduce lows, mids, and highs. Sennheiser RS 165 and Audio Technica ATH-M20xBT are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Sennheiser RS 165 and Audio Technica ATH-M20xBT offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise.

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

Top Differences

Battery Life: 18 Hrs vs 60 Hours
Noise Cancelling: NA vs Sound Isolation
Driver Size: NA vs 40 mm
Weight: Approx. 300 g vs 216 GM
Impedance: 32 Ohms vs 36 ohm

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Key Differences

Top Differences