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Specification
Price
Rs.32,841.61
Rs.31,424.00
Brand
Bowers & Wilkins
Koss
Model No
Pi7 S2
BT740iQZ
Wired / Wireless
Wireless Headphone Specification
Wireless Headphone Specification
Headphone Type
In Ear
Over Ear
Magnet Type
Dynamic
Dynamic
Driver Diameter
9.2 mm
40 mm
Impedance
NA
50 Ohms
Sensitivity
NA
97 dB SPL
Frequency Response
2402 MHz To 2480 MHz
20Hz - 20KHz
Maximum Power Input
NA
DC 5.0V ⎓ 500 mA
Wireless / Bluetooth Details
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
Battery Type
Lithium-Ion Polymer Batteries
Lithium-ion Batteries
Bluetooth Range
10 Meters
10 Meters
Battery Life
16 Hours
30+ Hours
Charging Time
40 Minutes
2.5 Hours
Noise Cancelling
A ANC
Active Noise Cancellation
Available Colors
Black, White, Blue
Black
Connector Plating
3.5 mm Jack To USB-C Audio Cable
3.5 mm Jack
Cable
USB Type-C Charging Cable
Micro-USB Charging Cable
Weight
47 Gm
280 GM
Other Features
Fast charging support.
High performance DSP.
2-way drive unit design.
Wireless and USB-C charging.
Waterproof IP54 earbuds only.
Adaptive ANC noise-cancellation.
Audio retransmission from charging case.
Wireless audio retransmission technology.
True 24-bit connection with aptXâ„¢ Adaptive.
Hear music and movies as the artist intended.
9.2mm Dynamic Drive with Balanced Armature.
Three microphones per earbud for calls and ANC.
In-ear noise cancelling True Wireless headphones.
Voice Assistant.
Collapsible Design.
One Year Limited Warranty.
Dual Microphone, Dual Mode ANC.
The Koss BT740iQZ Noise Cancelling Wireless Bluetooth headphones feature dual microphone ANC with 'Ambient Sound Mode,' on-board controls, detachable cord for wired audio listening, incredible 30+ hour talk/play time ( 22+ hours with ANC ) and a collapsable design for easy storage.On-Board Controls.
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Top Differences

  • Battery Life: 16 Hours vs 30+ Hours
  • Noise Cancelling: A ANC vs Active Noise Cancellation
  • Driver Size: 9.2 mm vs 40 mm
  • Weight: 47 Gm vs 280 GM
  • Impedance: NA Vs 50 Ohms
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