Sennheiser RS 120 II vs Philips TAT3217BK – 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.

INSTANT PAIRING : Earbuds are ready to use as soon as you open the case lid when the earbuds are being kept inside. CRYSTAL CLEAR CALL QUALITY : With Advanced Quad Mic ENC algorithm, These True wireless headphones let you communicate clearly every time. GREAT SOUND & PUNCHY BASS : Advanced & Powerful Neodymium 10mm drivers deliver crisp audio and punchy bass. Earbuds fit so comfortably in ears to provide amazing immersive experience and passive noise cancellation. STAY ON-THE-MOVE : These tiny yet powerful true wireless earbuds fit easily into the pocket of your slim-fit jeans, so youâ€™re always ready to go. The fully charged battery gives you 6 hours of playtime and the pocket-sized case adds 20 hours more. EASY & EFFORTLESS USE : Touch controls on the earbuds make life super-easy! Use them to pause your music, take calls or wake your phone's voice assistant. Once paired, the headphones will reconnect with your phone as soon as you open the charging case.

Sennheiser RS 120 II and Philips TAT3217BK 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 10 mm), which can influence sound depth, bass response, and overall audio clarity. Sennheiser RS 120 II and Philips TAT3217BK offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise. There is a noticeable difference in weight (200 gm vs 54 GM), which may affect comfort during extended use. Battery life varies between the two (20 Hours vs 6 + 20 Hours), which affects how long you can use them on a single charge. Impedance levels vary (24 ohm vs 16 Ohms), which can affect compatibility and audio output when used with different devices. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. The frequency response differs (22 Hz - 19500 Hz vs 20Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. Sennheiser RS 120 II uses Bluetooth NA while Philips TAT3217BK supports Bluetooth 5.2, which can impact connectivity stability and efficiency.

Verdict: Choosing between Sennheiser RS 120 II and Philips TAT3217BK depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

Battery Life: 20 Hours vs 6 + 20 Hours
Noise Cancelling: NA vs Sound Isolation
Driver Size: NA vs 10 mm
Bluetooth: NA vs 5.2
Weight: 200 gm vs 54 GM

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Top Differences