Hello viewers, welcome to this blog where I will provide you with a comprehensive overview of the newly launched Boult Audio K40 earbuds. If you have any queries or concerns about these earbuds and are planning to purchase them, you’ve come to the right place. In this review, I will discuss the features, specifications, pros & cons, pricing details, and critical aspects that you should consider before making a decision.
Image Credit: Amazon
Furthermore, I will share my own assessment and the true user experience to assist you in determining whether these earbuds are the right choice for you.
Table of Contents
Introduction
Boult Audio has recently launched the K40, their newest addition to the K Series of affordable TWS earbuds. Proudly made in India, these earbuds offer an impressive 48 hours of playtime, incredibly low latency of 45ms, Type-C fast charging, Powerful 13mm bass drivers, fastest pairing with Bluetooth v5.3 and lots more. So let’s not waste any more time and get right into it.
Boult K40 Features
Let’s discuss some of the incredible features of the Boult Audio K40 earbuds which makes them a fantastic choice.
48 Hours of Long Playtime
Immerse yourself in a world of music, calls, and gaming without missing a beat with the Boult Audio K40 earbuds. Experience uninterrupted joy with these earbuds, offering an impressive 48 hours of continuous playtime. Enjoy up to 7 hours of playtime on a single charge.
Crystal-Clear Calls with 4 ENC Calling Mics
The Zen Quad Mic Environmental Noise Cancellation technology ensures crystal-clear calls with 4 ENC calling mics, making communication hassle-free.
45ms Low Latency Gaming
Gain a competitive edge in gaming with 45ms low latency, delivering a swift and immersive experience.
13mm Bass Drivers
Experience music like never before with the 13mm Bass Drivers. These earbuds deliver powerful and resonant bass, ensuring an extraordinary music experience.
Premium Comfort
The Boult K40 doesn’t just sound great but it feels great too. These earbuds offer premium comfort with a customized fit and provide both security and comfort during workouts or daily commutes.
Type-C Fast Charging
The Type-C Fast Charging feature ensures your earbuds are always ready for action. With just 10 minutes of charging, enjoy a whopping 100 minutes of playtime.
Bluetooth v5.3 for Lightning-Fast Pairing
You can experience the fastest pairing with Bluetooth v5.3, which supports SBC AAC Codecs and guarantees a hassle-free and quick connection.
Easy Touch Controls
The easy touch controls feature allows you to play/pause music, change tracks, adjust volumes, receive calls, activate voice assistants like Google/Siri, or seamlessly switch between game/music modes with just a tap.
IPX5 Water Resistance
These earbuds are also IPX5 water-resistant, ready to accompany you on all your adventures, rain or shine.
Voice Assistant
Stay hands-free and in control with voice assistant support, allowing you to manage your tasks effortlessly.
Design and Build Quality
The Boult Audio K40 earbuds offer a perfect combination of style, durability, and convenience. These earbuds not only deliver premium sound quality but also showcase a sleek design that seamlessly blends into your lifestyle. With a premium grip, these earbuds provide a comfortable and secure fit, ensuring that they stay in place even during intense workouts or while commuting.
Image Credit: Boult Audio
These earbuds are feather-light yet robust, making them perfect for on-the-go adventures. They are also IPX5 water-resistant, making them suitable for use in any weather and adding an extra layer of convenience.
Boult K40 Specifications
To make it easy for you, we have compiled the key technical and general specifications of the Boult Audio K40 earbuds in the below table:
| Details | Descriptions |
| Brand | Boult Audio |
| Model Name | K40 |
| Design | TWS Earbuds |
| Form Factor | In the Ear |
| Connectivity | True Wireless |
| Bluetooth Version | Bluetooth v5.3 |
| Bluetooth Range | Approx. 10m |
| Deep Bass | Yes |
| With Mic | Yes, Quad mic |
| Voice Assistant | Yes, Google/Siri |
| Active Noise Cancellation | No |
| Environmental Noise Cancellation | Yes |
| Water Proof | Yes |
| Sweat Proof | Yes |
| Rating | IPX5 |
| Driver Size | 13mm |
| Frequency Range | 20Hz – 20KHz |
| Technology | HFP / HSP / A2Dp / AVRCP |
| Playback Time | 48 hours (With Case) 7 hours (Earbuds) |
| Standby Time | 120 hours |
| Charging Time | 90 Mins (Case) 45 mins (Earbuds) |
| Charging Interface | Type-C |
| Input | DC 5V = 1A |
| Compatibility | Smartphones, Laptops, PC, Smart TVs, iPhones and all other Bluetooth Devices |
| Special Features | Auto Pairing, 4 ENC Calling Mics, Sweatproof, 45ms Low Latency Gaming, Type-C Charging, LED Indicator, Touch Control |
| Net Quantity | 1 Unit |
| Net Content | 2 x True Wireless Earbuds, 1 x Charging Case, 1 x Charging Cable, 1 x Warranty Registration Document, 1 x User Manual, 2 x Extra Ear-tips |
| Item Dimensions LxWxH | 6.2 x 2.4 x 4.5 Centimeters |
| Item Weight | 35.9 g |
| Warranty Summary | 1 Year Warranty from Date of Purchase |
| Covered in Warranty | Manufacturing Defects |
| Not Covered in Warranty | Physical Damages |
| Manufacturer | Exotic Mile Private Limited |
| Country of Origin | India |
Basic Functions and Controls
The basic functions and controls for the Boult Audio K40 earbuds are mentioned in the below table:
| Power On | Auto: Open the charging case and take out the earbuds to Power On. Manual: Tap and hold the Multifunction Button (MFB) for 3 seconds. |
| Power Off | Auto: Place both earbuds in the case and close the lid to Power Off. Manual: Tap and hold the Multifunction Button (MFB) for 5 seconds. |
| Play/Pause | Tap the MFB once |
| Previous Track | Double tap the left MFB |
| Next Track | Double tap the right MFB |
| Voice Assistant | Long press the MFB for 2sec |
| Volume + | Triple tap the right MFB |
| Volume – | Triple tap the left MFB |
| Answer call | Tap the MFB once |
| End/Reject Call | Double tap the MFB |
| Game/Music Mode | Tap the MFB four times |
Boult K40 User Experience
The Boult Audio K40 earbuds have received an overall rating of 4.6 out of 5 stars on Amazon. Users have appreciated the sound quality, bass, and overall value of these earbuds. They mentioned that the earbuds are good for calling and also during calls, the voice was clear. Users also appreciate the earbuds’ strong build quality, making them ideal for gaming.
Image Credit: Boult Audio
The battery life, appearance, and value for money are other features that customers find appealing.
Boult K40 Pros and Cons
Let’s quickly analyse some of the Pros and Cons of the Boult Audio K40 earbuds:
| Pros | Cons |
|---|---|
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Boult K40 Pricing and Availability
The Boult Audio K40 comes in 5 colour variants: Electric Black, Ivory White, Denim Blue, Berry Red and Khaki Green. At the time of publishing this blog, these earbuds are priced at Rs.899 on Boult’s official website and Rs.1,299 on Amazon respectively. Please keep in mind that prices may fluctuate for various reasons.
To check the current price and availability of the product, click on the below links provided.
- Amazon: Boult Audio K40 True Wireless in Ear Earbuds
- Boult Official Website: Boult Audio K40
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FAQs: Boult Audio K40 Earbuds
1. How is the noise cancellation in Boult Audio K40?
These earbuds come with a passive noise cancellation feature and offer decent noise collection.
2. How long does it take to fully charge these earbuds?
It takes approximately 1 to 1.5 hours to fully charge these earbuds.
3. How can I switch between game and music modes on these earbuds?
The earbuds feature easy touch controls. You can switch between game and music modes by tapping the Multifunction Button (MFB) four times.
4. Are these earbuds good for gaming?
With a low latency of 45ms, the Boult K40 offers a responsive and immersive gaming experience.
5. How is the calling experience on these earbuds?
The calling experience on the Boult Audio K40 earbuds is clear and lag-free, thanks to the 4 ENC Calling Mics.
6. Is there a warranty for Boult Audio K40?
These earbuds will have a warranty of 1 Year from the date of purchase.
Conclusion
In my opinion, the Boult Audio K40 earbuds are an excellent choice for those looking for affordable yet quality earbuds. With an impressive 48 hours of playtime, crystal-clear communication with 4 ENC Calling Mics, and a speedy 45ms Low Latency Gaming mode, these earbuds are suitable for both gamers and music lovers. While they don’t have an active noise cancellation (ANC) feature, the passive noise cancellation works efficiently.
Based on both user feedback and my own analysis, I can confidently say that these earbuds provide excellent value for money. Overall, I highly recommend the Boult Audio K40 for a well-rounded and immersive audio experience.
Also Read: Boult Audio Z40 Ultra at a special launch price of Rs.1999.