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Wireless EarbudsUpdated November 26, 2025
Boult Audio Z40 with 60 Hours Playtime and Zen ENC Mic

Boult Audio

Boult Audio Z40

₹799

VS
Top pick
realme Buds T300 with 30dB ANC and 360° Spatial Audio

realme

realme Buds T300

₹2,199

Boult Audio Z40 vs realme Buds T300

An in-depth comparison to help you choose the right wireless earbuds for your needs.

Price gap

₹1,400

Score gap

9 pts

Rating gap

0.1

Editor's analysis

The expert read

A hand-written take on how these two compare in the real world.

The realme Buds T300 at Rs 2,199 and Boult Audio Z40 at Rs 799 sit at opposite ends of the budget wireless earbud spectrum. The realme brings 30dB ANC, 12.4mm Dynamic Bass drivers, and 40hr battery. The Boult delivers 10mm drivers, Zen ENC for calls, and an impressive 60hr total battery. The Boult's 60hr battery is its headline feature, but the realme's 30dB ANC is a genuine daily-use advantage for anyone riding Indian public transport.

Round by round

Head to head

How each product stacks up across the key dimensions.

Product A

Boult Audio Z40

2

wins

VS

Product B

realme Buds T300

4

wins

Price
Winner

₹799

B

₹2,199

User Rating
A

4.1 / 5

Winner

4.2 / 5

Our Score
A

81/100

Winner

90/100

Popularity
A

Popular

Winner

Bestseller

Driver Size
A

10mm Drivers

Winner

12.4mm Dynamic Bass

Battery Life
Winner

Up to 60 hours (with case)

B

Up to 40 hours (with case)

Quick summary

The short version

The realme Buds T300 at Rs 2,199 and Boult Audio Z40 at Rs 799 sit at opposite ends of the budget wireless earbud spectrum.

realme Buds T300

Best overall

realme Buds T300

₹2,1994.2/5vs Boult Audio
Check price

The realme Buds T300 are the better earbuds for daily commuters who need ANC and quality audio. The Boult Audio Z40 are for buyers who want the longest possible battery at the lowest possible price and can live without noise cancellation.

Side by side

The products

Each pick at a glance, what they include and what they cost.

Boult Audio Z40 with 60 Hours Playtime and Zen ENC Mic

Boult Audio

Boult Audio Z40

4.1(4,821)
₹799

Inclusive of all taxes

Check Price on Amazon
Popular Choice

Key Features

  • Massive 60 hours total playtime with charging case
  • Zen Environmental Noise Cancellation for clear calls
  • Low latency gaming mode for seamless experience

Specs at a Glance

Driver Size

10mm Drivers

Battery Life

Up to 60 hours (with case)

Active Noise Cancellation

No ANC (Zen ENC for calls)

Bluetooth Version

5.2

Our Pick
realme Buds T300 with 30dB ANC and 360° Spatial Audio

realme

realme Buds T300

4.2(4,156)
₹2,199

Inclusive of all taxes

Check Price on Amazon
Popular ChoiceBestseller

Key Features

  • Industry-leading 30dB Active Noise Cancellation
  • 360° Spatial Audio with Dolby Atmos support
  • 12.4mm dynamic bass boost drivers for deep sound

Specs at a Glance

Driver Size

12.4mm Dynamic Bass

Battery Life

Up to 40 hours (with case)

Active Noise Cancellation

30dB ANC

Bluetooth Version

5.3

Prices accurate as of 26/11/2025. Prices and availability on Amazon.in may change.

What sets them apart

Key differences

The decisions you are actually making when you pick one over the other.

₹1,400 price difference

Boult Audio Z40

The Boult Audio Z40 is 64% more affordable, saving you ₹1,400. This is a significant price gap that could be a deciding factor.

Driver Size: 12.4mm Dynamic Bass vs 10mm Drivers

realme Buds T300

The realme Buds T300 leads in driver size with 12.4mm Dynamic Bass compared to 10mm Drivers.

Battery Life: Up to 60 hours (with case) vs Up to 40 hours (with case)

Boult Audio Z40

The Boult Audio Z40 leads in battery life with Up to 60 hours (with case) compared to Up to 40 hours (with case).

Bluetooth Version: 5.3 vs 5.2

realme Buds T300

The realme Buds T300 leads in bluetooth version with 5.3 compared to 5.2.

Weight: 4.1g per earbud vs 4.5g per earbud

realme Buds T300

The realme Buds T300 is more efficient in weight with 4.1g per earbud compared to 4.5g per earbud.

Spec sheet

Detailed Specifications

Side-by-side numbers with subtle highlighting on the stronger value.

SpecificationBoult Audio Z40realme Buds T300
Price₹799₹2,199
Rating4.1 / 5(4,821)4.2 / 5(4,156)
Driver Size10mm Drivers12.4mm Dynamic Bass
Battery LifeUp to 60 hours (with case)Up to 40 hours (with case)
Active Noise CancellationNo ANC (Zen ENC for calls)30dB ANC
Bluetooth Version5.25.3
Water ResistanceIPX5IP55
Charging TypeUSB Type-C Fast ChargingUSB Type-C
MicrophonesQuad Mic with Zen ENC4 Mics with ENC
Weight4.5g per earbud4.1g per earbud

Highlighted cells indicate the stronger value in that row.

Strengths and tradeoffs

Pros and cons

Where each pick shines, and where you'll have to compromise.

Boult Audio Z40

81/100

Excellent value

What we like

  • Exceptional 60-hour battery life matches premium models
  • Excellent value at ₹799 price point
  • Good bass response from 10mm drivers
  • IPX5 rating great for fitness enthusiasts
  • Zen ENC provides clear call quality
  • Fast charging via Type-C is convenient
  • Made in India with quality assurance

What could be better

  • No Active Noise Cancellation
  • Sound quality lacks detail in mids
  • Build quality could be more premium
  • Touch controls are basic
  • Limited brand recognition compared to boAt/Noise
  • No dedicated app for customization
  • Bluetooth 5.2 (not latest 5.3)

realme Buds T300

90/100

Excellent value

What we like

  • Best-in-class 30dB ANC at this price
  • Immersive 360° spatial audio experience
  • Exceptional 40-hour battery life
  • Fast charging with impressive backup
  • Great value for money under ₹2,500
  • Lightweight and comfortable design

What could be better

  • Sound quality prioritizes bass over clarity
  • No wireless charging option
  • realme Link app can be buggy
  • Touch controls lack customization

Decision guide

Which one should you buy?

Pick the one that matches your priorities, not the spec sheet.

Choose

Boult Audio Z40

If you want

  • 30dB ANC transforms your noisy daily commute
  • 12.4mm Dynamic Bass drivers deliver superior audio quality
  • You want fast charging and premium build quality
  • Music quality and noise cancellation matter more than maximum battery

Choose

realme Buds T300

If you want

  • 60hr battery is unmatched for travelers and forgetful chargers
  • Rs 799 price point fits your budget perfectly
  • You rarely need ANC and listen in mostly quiet environments
  • You want earbuds for long train journeys where charging is unreliable

Buying tip

The Boult Audio Z40's 60hr battery with no ANC means the case itself is physically larger to house a bigger battery. If compact pocket-friendliness matters, the realme Buds T300's charging case is more portable despite having 20hr less battery. Check case dimensions before buying if you carry earbuds in tight jeans pockets.

Ready to decide?

Pick your winner and grab today's price

Boult Audio Z40

Boult Audio Z40

₹799

Buy on Amazon
Pick
realme Buds T300

realme Buds T300

₹2,199

Buy on Amazon

Quick answers

Frequently Asked Questions

Is 60hr battery on Boult Z40 better than 30dB ANC on realme T300?

They solve different problems. If you travel frequently and forget chargers, 60hr battery is genuinely liberating. If you commute daily on noisy Indian public transport, 30dB ANC transforms your journey. Most working professionals benefit more from ANC. Most students and casual listeners benefit more from battery.

Which handles auto-rickshaw wind noise better?

The realme Buds T300 with 30dB ANC reduce wind noise during rides significantly. The Boult Audio Z40 with passive isolation struggle with wind noise since their earphone tips alone cannot block dynamic wind patterns. For regular auto-rickshaw commuters in Indian cities, ANC makes a noticeable difference.

Can I use Boult Z40 for long train journeys instead of realme T300?

The Boult Z40's 60hr battery is perfect for long Indian Railway journeys where charging outlets are unreliable. The realme T300's 30dB ANC blocks train engine and track noise better. Ideally, you want both - but at Rs 799, you could buy the Boult for travel and save for ANC earbuds later.