Alert Icon ALERT
Ok Icon
FullSpecs.net Logo
 
Bowers & Wilkins PI4
Rs.27,000.00

Sony SRS-NS7
Rs.27,072.62
Brand
Bowers & Wilkins
Sony
Model No
PI4
SRS-NS7
Wired / Wireless
Wireless Headphone Specification
Wireless Headphone Specification
Headphone Type
In Ear
Neckband
 
Magnet Type
Dynamic
Neodymium
Driver Diameter
14.2 mm
32 X 33 mm
Impedance
32 ohm
NA
Sensitivity
NA
NA
Frequency Response
10 Hz - 30000 kHz
20 Hz - 20000 Hz
Maximum Power Input
10 mW
DC 5 V 1.5 A
Noise Cancelling
Adaptive
Passive
 
Wireless Technology
Bluetooth
Bluetooth
Bluetooth Version
5.0
5.0
Compatible Profiles
All Bluetooth Devices
All Bluetooth Devices
Supported Codecs
A2DP, AVRCP, HFP, HSP, BLE GATT, AptX-Adaptive, AptX-HD AptX-Classic, AAC, SBC
SBC, AAC, LDAC, A2DP, AVRCP, HFP, HSP, SPP
Battery Type
Lithium Polymer Batteries
Lithium-ion Batteries
Bluetooth Range
10 Meters
30 Meters
Battery Life
12 Hours
12 Hours
Charging Time
< 2 Hours
4 Hours
 
Available Colors
Black, Grey, Gold
Black
Connector Plating
NA
NA
Cable
USB-C Charging Cable
USB Type-C® Charging Cable
Weight
40 gm
318 Gm
Other Features
A measured feel.
Fits like no other.
Don’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 you’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 that’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.
Hands-free calling.
IPX4 splash-proof design.
Silicone neckband and soft-feel rear.
Enjoy wireless personalized home theater audio.
Flexible and ergonomic form-fitting design for all-day wearing.
Up to 12 hours of battery life, 10-minute Quick Charging for 1 hour of play time.
Create your own personal home theater atmosphere using Sony’s 360 Spatial Sound Personalizer. 
Upward-facing X-balanced speaker unit provides an immersive listening experience without disturbing others.
USB Type-C® Charging Cable360 Spatial Sound Personalizer creates Dolby Atmos® Cinematic surround sound.

Compare Bowers & Wilkins PI4 with:

Compare Sony SRS-NS7 with:

Key Differences

Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. The frequency response differs (10 Hz - 30000 kHz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. If you're comparing Bowers & Wilkins PI4 and Sony SRS-NS7, 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. Impedance levels vary (32 ohm vs NA), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (40 gm vs 318 Gm), which may affect comfort during extended use. Bowers & Wilkins PI4 and Sony SRS-NS7 offer different noise cancellation capabilities (Adaptive vs Passive), which can impact how effectively they block external noise. The driver size differs between the two (14.2 mm vs 32 X 33 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.

Verdict: Choosing between Bowers & Wilkins PI4 and Sony SRS-NS7 depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

  • Noise Cancelling: Adaptive vs Passive
  • Driver Size: 14.2 mm vs 32 X 33 mm
  • Weight: 40 gm vs 318 Gm
  • Impedance: 32 ohm vs NA