Select City
TECH500

Boult Audio K40 vs Boult Audio Z40 Pro vs Boult Audio W40

Key Feature Comparison

9

Boult Audio K40

Check Price
close

Boult Audio Z40 Pro

Check Price
close
8.4

Boult Audio W40

Check Price
close

At a Glance

Show differences only

48 Hours

8 Hours

48 Hours

Wireless

In Ear Canalphone, In the Ear

Wireless

In Ear Canalphone, In the Ear

Wireless

In Ear Canalphone, In the Ear

10 meter

Auto Pairing

10 meter

Auto Pairing

10 meter

Auto Pairing

Detailed Specs

Brand

Boult Audio
Boult Audio
Boult Audio

Model

K40
Z40 Pro
W40

Launch Date

23-Feb-24
30-Sep-23
17-Aug-23

Price

Rs. 899
Rs. 1,599
Rs. 1,299

Price Status

Confirmed
Confirmed
Confirmed

Market Status

Available
Available
Available

Box Contents

Earbud, Charging Case, USB Cable Type C, User Manual, Warranty Card
1 Pair of Earbuds, Charging Case, Charging Cable, User Manual, Warranty Card, Additional Pair of Ear Tips
1 Pair of Earbuds, Charging Case, Charging Cable, User Manual, Warranty Card, Extra Pair of Ear Tips

Warranty

1 Year
1 Year
1 Year

Compatible Devices

-
Mobile Phone, PC, Tablet
Mobile Phone, PC, Tablet

Type

Wireless
Wireless
Wireless

Design

In Ear Canalphone
In Ear Canalphone
In Ear Canalphone

Fit

In the Ear
In the Ear
In the Ear

Open or Closed Back

Closed Back
Closed Back
Closed Back

Eartip Size

Large, Medium, Small
Large, Medium, Small
Large, Medium, Small

Weight

36 gm
50 gm
-

Dimensions

Overall :45 x 24 x 62 mm
Overall :48 x 27 x 60 mm
-

Colours

Berry Red, Denim Blue, Electric Black, Ivory White, Khaki Green
Pro Midnight, Pro Dawn, Pro Jungle, Pro Lavender
Khaki Green, Berry Red, Denim Blue, Ivory White

Foldable Design

-
Yes
Yes

Noise Cancellation

Yes
Yes
Yes

Replaceable Earbuds

Yes
Yes
Yes

Call Control

Answer / End
Answer / End
Answer / End

Music Control

Volume Control
Volume Control
Volume Control

Connectivity

Bluetooth
Bluetooth
Bluetooth

Bluetooth Version

5.3
5.3
5.3

Bluetooth Range

10 meter
10 meter
10 meter

Bluetooth Features

Auto Pairing
Auto Pairing
Auto Pairing

Microphone

Yes
Yes
Yes

Bluetooth Profile

-
A2DP, AVRCP, HFP, HSP
-

Playback Time

48 Hours
8 Hours
48 Hours

Charging Type

USB Type-C
USB Type-C
USB Type-C

Charging Time

100 Minute
90 Minute
-

Battery Type

Li-ion
Li-ion
-

Standby Time

-
100 Hours
-

Driver Type

-
Dynamic Driver, 10 mm
-
Turn your old phone into cash

You May Also Read

Vivo Mobile Price List
Xiaomi Mobile Price List
New Upcoming Mobile Phones June 2023
Best Mobile Phones Under 50000
Best Mobile Phones Under 45000

Recent News

OnePlus 15T Specs Leak Suggests Big Battery And Major Power Boost
14th Mar 2026
Xiaomi 17T Price Leak: India Launch Nears With Dimensity 8500 Power, Massive Battery
14th Mar 2026
Galaxy Z Flip 8 Battery Leak Suggests Similar Capacity As Previous Model
14th Mar 2026
POCO X8 Pro Specs Leak: Big Batteries, Powerful MediaTek Chips Expected
14th Mar 2026
Honor X80 GT Leaks Suggest Massive 13,080mAh Battery, Snapdragon 8-series Chip
14th Mar 2026

Tips & Tricks

Vivo X300 Best Camera Settings For Best Quality: Full Guide
11th Mar 2026
How To Transfer Airtel eSIM From One Phone To Another
2nd Mar 2026
Google Pixel 10a Best Camera Settings: All Pro Mode Explained
25th Feb 2026
Best Camera Settings For iPhone 15
24th Feb 2026
How To Delete Snap Story: Simple Step-by-Step Guide
18th Feb 2026

Popular Leaks

OnePlus 15T Details Confirmed: Compact Design, 7500mAh Battery Teased Ahead Of China Launch
9th Mar 2026
Samsung Galaxy S26 Price Confirmed: No Increase In 2026
13th Jan 2026
Exclusive: Nothing Phone 4a Starts At Rs 31,999 – 50MP 3.5x Telephoto, Snapdragon 7s Gen 4
2nd Mar 2026
Honor Launches Robot Phone: The First Ever Phone With A Robotic Arm Is Here 
17th Oct 2025
Realme Big Announcements: 15T Launch And 15000mAh Battery Phone
29th Aug 2025