Sony LinkBuds Open vs Bowers & Wilkins PI4 – Which One Should You Buy? (2026)

Head-tracking function. Superior sound balance. Music, as it should sound. Ultra-clear, noise-free calls. Authentic, high-fidelity sound. Keeping your authentic sound. A new sound experience for AR gaming. LONG BATTERY LIFE & QUICK CHARGING : Up to 22-hour battery life with quick charging ( 3 min charge for up to 60 minutes of playback ). OPEN RING DESIGN FOR AMBIENT SOUNDS : The open ring design enables fully transparent ambient sound, so you can stay connected to your surroundings. ALL DAY COMFORT: The newly developed Air Fitting Supporters for LinkBuds Open have a soft and ergonomic form factor, making them comfortable for longer. AUTHENTIC HIGH-QUALITY SOUND : Enjoy well-balanced, high-quality audio with clear mid-to high ranges, powered by our Integrated Processor V2 and the specially designed 11mm ring-shaped driver unit. ULTRA-CLEAR, NOISE FREE CALLS : With precise voice pickup technology and advanced audio signal processing, the person on the other end of the call will hear your voice clearlyâ€“even when youâ€™re somewhere noisy.

A measured feel. Fits like no other. Donâ€™t miss a thing. Adaptive Noise Cancelling. World-first fully active 2-way wireless earbuds. This is Bowers & Wilkins Dual Driver technology. No matter what youâ€™re listening to, or watching, or playing, hear what you were meant to hear. If you stay out longer than expected and need a little more from your PI4 a 15 minute quick charge will carry your adventure for another two hours. Soft silicone and rubber together make the PI4 feel specifically designed for how and where you listen. 12-hour battery life allows you to go from night to day without missing a beat. If thatâ€™s not enough, a 15-minute quick charge gets three hours of immediate playback. Customised 14mm drivers pack full sound in a small space. Designed by the same team behind our 800 Diamond Series speakers used in Abbey Road Studios, the drivers ensure you stay immersed in music wherever you go.

Key Differences

The frequency response differs (10 Hz - 30000 kHz vs 20Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. From a usability standpoint, both models provide a reliable and premium headphone experience. Impedance levels vary (32 ohm vs 16 Ohms), which can affect compatibility and audio output when used with different devices. Bowers & Wilkins PI4 and Sony LinkBuds Open offer different noise cancellation capabilities (Adaptive vs Sound Isolation), which can impact how effectively they block external noise. The driver size differs between the two (14.2 mm vs 11 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (40 gm vs 30.6 GM), which may affect comfort during extended use. Bowers & Wilkins PI4 uses Bluetooth 5.0 while Sony LinkBuds Open supports Bluetooth 5.3, which can impact connectivity stability and efficiency. Battery life varies between the two (12 Hours vs 8 - 13 Hours), which affects how long you can use them on a single charge. Bowers & Wilkins PI4 and Sony LinkBuds Open are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features.

Verdict: Choosing between Bowers & Wilkins PI4 and Sony LinkBuds Open depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

Battery Life: 12 Hours vs 8 - 13 Hours
Noise Cancelling: Adaptive vs Sound Isolation
Driver Size: 14.2 mm vs 11 mm
Bluetooth: 5.0 vs 5.3
Weight: 40 gm vs 30.6 GM

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Key Differences

Top Differences