MonAdd K11 True Wireless Earbuds: A Budget-Friendly Option with Impressive Sound

Published on June 21, 2023, 10:04 a.m.

Wireless earbuds have become increasingly popular for their convenience and portability. For those looking for an affordable option, the MonAdd K11 aims to deliver solid performance on a budget. Let’s take a closer look at what these wireless earbuds have to offer.


The MonAdd K11 true wireless earbuds feature Bluetooth 5.3 connectivity for stable pairing. The earbuds have touch controls and an LED display that shows the battery level. At just 3.5g per earbud, they are lightweight and comfortable for all-day wear.

 MonAdd K11 Wireless Headphones

Key Features

  • Bluetooth 5.3 technology
  • 6-8 hours battery life per charge
  • Charging case provides total 32 hours battery
  • Lightweight and comfortable fit
  • Impressive sound with emphasis on bass
  • Budget-friendly price point

 MonAdd K11 Wireless Headphones


The MonAdd K11 Wireless Headphones have an understated, minimalist design. The small, lightweight shape allows for a discreet, comfortable fit. The matte black color gives them a polished, neutral look. While not flashy, the subtle style will suit most tastes.

Ease of Use

The MonAdd K11 Wireless Headphones excel in usability. Bluetooth pairing is quick and reliable. The auto power-on/off and instant re-pairing when opening the lid makes them convenient to use. Touch controls let you control music and calls easily. Battery levels are displayed clearly on the LEDs. Overall, they are intuitive and easy to operate.

Build Quality

For budget wireless earbuds, the MonAdd K11 Wireless Headphones are built well. The plastic construction feels solid, not flimsy. The charging case also has a quality feel. While not luxurious, the materials are appropriate given the affordable price point. The IPX water resistance indicates they can handle sweat and splashes too.

Sound Quality

With 13mm drivers, the MonAdd K11 Wireless Headphones deliver impressive audio for the price. Many users praise the clear mids and highs along with the powerful, pumping bass. Music genres like EDM, hip hop, and pop shine on these earbuds. They provide immersive sound to keep you motivated during workouts.
 MonAdd K11 Wireless Headphones

Microphone Quality

The built-in mics on the MonAdd K11 Wireless Headphones pick up voices clearly for phone calls. Noise isolation helps minimize background sounds so callers can hear you easily. Mic quality exceeds expectations for budget wireless earbuds.

Noise Isolation

While not active noise cancelling, the snug fit provides decent passive noise isolation. The MonAdd K11 Wireless Headphones block out a fair amount of ambient noise, allowing you to focus on your music or calls without distractions. Noise isolation enhances the listening experience.
 MonAdd K11 Wireless Headphones

Battery Life

With up to 32 hours of total battery life, the MonAdd K11 Wireless Headphones are a marathon runner. The efficient Bluetooth 5.3 chip allows them to surpass the 6-8 hour manufacturer rating during real-world use. You can listen for days between charges - excellent for travel and long days out.
 MonAdd K11 Wireless Headphones


Bluetooth 5.3 gives the MonAdd K11 Wireless Headphones fast pairing and a reliable wireless connection. Music and video remain in sync without lag or cutouts. While a few users faced issues, the connectivity is solid for the vast majority. Range is standard at 10+ meters.


Onboard touch controls let you manage music, calls, volume, and voice assistants without touching your phone. Taps and gestures are responsive. Automatic ear detection pauses audio when you remove an earbud. Controls are intuitive once you learn the touch commands.


Weighing only 3.5g each, the MonAdd K11 Wireless Headphones are so light you may forget you’re wearing them. The angled design avoids pressure and allows long-term wear without aches. The included eartip sizes help get a personalized fit too. Users find them great for active use since they stay put.

Water Resistance

With an IPX4 rating, the MonAdd K11 Wireless Headphones can withstand sweat, splashes, and light rain. You can workout with confidence knowing moisture won’t fry these earbuds. Just avoid submerging them fully in water. The water-resistant build is ideal for fitness and outdoor use.

 MonAdd K11 Wireless Headphones

Use Cases

The MonAdd K11 Wireless Headphones are a great companion for daily use. Their long battery life means you can listen all day at home or in the office without worrying about recharging. The sweat-resistant design also makes them ideal for workouts. Whether you’re crushing it on a run or lifting weights at the gym, these earbuds can keep up. For commuters, the MonAdd K11 Wireless Headphones are perfect for zoning out and listening to music or podcasts on the bus or train ride to work.

User Feedback Analysis

The majority of users praise the MonAdd K11 Wireless Headphones for their impressive sound quality, especially the bass response. Many mention the earbuds have great noise isolation to immerse you in your audio. Users also highlight the comfortable and secure fit, even during intense exercise. Battery life consistently earns rave reviews, easily covering a full day’s use between charges. A few users experienced occasional connectivity issues, though the Bluetooth 5.3 seems reliable for most. Overall, feedback is overwhelmingly positive given the affordable price.

Pros and Cons


  • Great sound quality with good bass
  • Very affordable price
  • Long battery life up to 32 hours total
  • Comfortable and lightweight fit
  • Sweat/water-resistant design


  • Connectivity issues for a small number of users
  • No active noise cancellation (common for this price range)


At just $16.99, the MonAdd K11 Wireless Headphones are a tremendous value. You get impressive audio, marathon battery life, and pleasant ergonomics - all for a budget-friendly price. For casual listeners who don’t need premium features like noise cancellation, these earbuds are hard to beat. The excellent sound punches well above what you’d expect for such an affordable wireless option.

Overall, the MonAdd K11 Wireless Headphones live up to their promises for impressive sound on a budget. With their long battery life and stylish design, MonAdd delivers a compelling option for entry-level wireless earbuds.


  • Brand: MonAdd
  • Model Number: K11
  • Connectivity: Bluetooth 5.3
  • Battery Life: 6-8 hours (earbuds), 32 hours (with charging case)
  • Charging: USB-C charging
  • Audio Driver: 13mm driver
  • Water Resistance: Sweatproof / splashproof design (IP rating unknown)
  • Weight: 3.5g per earbud
  • Color: Black

What’s Included

The MonAdd K11 Wireless Headphones include:

  • K11 earbuds (left and right)
  • Charging case
  • 3 pairs of silicone eartips (small, medium, large)
  • USB-C charging cable
  • Quick start guide

How to Use

Using the MonAdd K11 Wireless Headphones is quick and easy:

  1. Take the earbuds out of the case. They will power on automatically.

  2. Enable Bluetooth on your device. Select “MonAdd K11” from the list of available devices.

  3. Insert the earbuds into your ears with your preferred eartip attached. The ergonomic shape provides a secure, comfortable fit.

  4. Use the touch controls to play/pause music or answer calls. Adjust volume by tapping the left or right earbud.

  5. The earbuds will power off automatically when returned to the charging case. The LEDs display charging status.

  6. Charge the case using the included USB-C cable whenever the battery runs low.

MonAdd K11 Wireless Headphones