Wireless earbuds have become essential, offering the freedom to enjoy music and take calls without the hassle of cords. Among the top contenders are Apple’s Beats Flex and Sennheiser’s CX 150BT, but which one is right for you?
In this guide, we’ll dive into a side-by-side comparison of these two, looking closely at design, comfort, sound quality, and key features. Ready to discover which earbuds best match your style and needs? Let’s explore and find out which pair truly stands out!
| Category | Beats Flex | Sennheiser CX 150BT |
|---|---|---|
| Design | More compact and ergonomic | The bulkier but more secure in-ear fit |
| Sound Quality | Bass-forward sound signature | More balanced and natural sound |
| Battery Life | Up to 12 hrs playback | Up to 10 hrs playback |
| Connectivity | Bluetooth 5.0, 10m range | Bluetooth 5.0, 10m range |
| Noise Cancellation | No ANC, decent passive isolation | No ANC, good passive noise blocking |
| Controls | Single button, limited controls | Buttons on each earbud, more control options |
Beats Flex vs Sennheiser CX 150BT
Design
The design and fit of wireless earbuds is crucial for comfort and stability during use. Here’s how the Beats Flex and Sennheiser CX 150BT compare:
Also check who is the winner between Beats Flex and Sony WI-C400.
Beats Flex
The Beats Flex earbuds have a simple, minimalist design consisting of a short stem and circular earbuds. They are relatively small and lightweight, weighing just 18 grams in total. The earbuds come in three different ear-tip sizes for a customized fit.
The neckband connecting the two earbuds is thin, and flexible, and sits comfortably around the neck when not in use. The Beats Flex has an IPX4 water resistance rating, making them splash and sweat resistant.
Sennheiser CX 150BT
The Sennheiser CX 150BT has a bulkier design with larger earbuds and thicker neckband. The earbuds sit more flush in the ear with an “in-ear” style design and come with four sizes of ear adapters.
The CX 150BT is also lightweight at 13 grams and has an IPX4 rating, making them equally suitable for workouts. The thicker neckband can feel slightly heavier around the neck when not listening.
Verdict
The Beats Flex has a more compact, ergonomic design that most users find comfortable for all-day wear. But the Sennheiser CX 150BT provides a more secure in-ear fit for active use.
Beats Flex vs Sennheiser CX 150BT: Sound Quality
Sound quality is the most important factor when choosing wireless earbuds. Here’s how audio performance compares between the Beats Flex and Sennheiser CX 150BT:
Beats Flex
The Beats Flex earbuds deliver a bass-forward sound signature that’s punchy and energetic. The 12mm dynamic drivers produce solid bass impact and clear mids and highs.
The sound has a nice depth to it, making the music sound full. The audio won’t blow audiophiles away but it pleases the average listener. Call quality is also decent with beamforming microphones that reduce ambient noise.
Sennheiser CX 150BT
With 7mm dynamic drivers, the Sennheiser CX 150BT produces a more balanced, natural sound compared to the Beats Flex. The bass is still full yet refined, avoiding muddiness. The mids and highs are crisp and detailed. The soundstage feels more spacious. Call quality is very good, with two beamforming microphones on each earbud. Overall, audiophiles will prefer the clarity and accuracy of the CX 150BT.
Verdict
The Sennheiser CX 150BT delivers noticeably better sound quality with great balance, detail, and natural clarity. But the Beats Flex still pleases casual listeners with its lively, bass-forward sound.
Beats Flex vs Sennheiser CX 150BT: Battery Life
Battery life is crucial for true wireless freedom when listening to music or taking calls throughout the day. Here is the battery performance comparison:
Beats Flex
The Beats Flex earbuds offer excellent battery life, providing up to 12 hours of continuous playback per charge. Combined with the charging case, you get up to 24 hours total.
A quick 10-minute charge in this case provides 1.5 hours of playtime. The USB-C charging case provides convenient charging over almost any modern cable.
Sennheiser CX 150BT
The Sennheiser CX 150BT also performs well for battery life, with up to 10 hours of playback on the earbuds and 20 hours total with the charging case.
A quick 10-minute charge gives 1 hour of playtime. The CX 150BT uses micro USB charging.
Verdict
The Beats Flex is the clear winner for battery life, providing up to 12 hours of continuous playback compared to 8 hours on the Sennheiser CX 150BT. Both have quick charging capability.
Beats Flex vs Sennheiser CX 150BT: Connectivity
Bluetooth connectivity determines the stability and range of the wireless connection to your device. Here’s how wireless performance stacks up:
Beats Flex
The Beats Flex earbuds feature Bluetooth 5.0, providing a stable connection across distances of up to 10 meters or 33 feet. Pairing is quick and easy with both iOS and Android devices.
The Flex earbuds can connect to two devices simultaneously via multipoint pairing. Voice call performance is decent thanks to the beamforming microphones.
Sennheiser CX 150BT
With Bluetooth 5.0 support, the Sennheiser CX 150BT also provides a solid 10-meter wireless range with few dropouts. Multipoint pairing allows connecting to two devices at once. Call quality is very good with the dual beamforming microphones on each earbud. Overall connectivity is on par with the Beats Flex.
Verdict
The Beats Flex and Sennheiser CX 150BT are evenly matched for wireless connectivity and call performance. Both use the latest Bluetooth 5.0 standard. The Sennheiser earbuds may have a slight edge for voice calls.
Beats Flex vs Sennheiser CX 150BT: Features
The features and controls of wireless earbuds affect their convenience and functionality during everyday use. Here is how the Beats Flex and Sennheiser CX 150BT compare:
Beats Flex
The Beats Flex has an extremely simple control scheme with just one multi-function button on each earbud. Press once to play/pause, twice to skip tracks, and three times for the previous track.
Hold to activate Siri or Google Assistant. There is no volume control on the earbuds themselves. The earbuds have optical sensors that auto-play music when worn and auto-pause when removed.
Sennheiser CX 150BT
The CX 150BT earbuds have a button on each earbud for more control. Use the left button to adjust the volume, play/pause, or skip tracks.
Use the right button to activate your phone’s voice assistant. The earbuds also feature auto on/off and pause when removing them from your ears.
Verdict
The Sennheiser CX 150BT earbuds provide more useful controls right on the earbuds for convenience. But the Beats Flex has the essential controls covered despite fewer buttons.
Beats Flex vs Sennheiser CX 150BT: Noise Cancellation
Noise-canceling technology blocks out ambient sound for a more immersive listening experience. Here are the noise cancellation capabilities:
Beats Flex
The Beats Flex does not have active noise cancellation (ANC). However, the in-ear design does provide decent passive noise isolation when music is playing.
Sennheiser CX 150BT
Similarly, the Sennheiser CX 150BT earbuds lack any active ANC feature. But the more secure in-ear fit does block out a fair amount of ambient noise passively when music plays.
Verdict
Neither earbud has active noise canceling. The Sennheiser CX 150BT may provide slightly better passive noise isolation thanks to the more secure in-ear fit. But both earbuds do a good job of blocking noise while music plays.
Beats Flex vs Sennheiser CX 150BT: Verdict
Overall, the Beats Flex and Sennheiser CX 150BT both have merits as quality pairs of wireless earbuds. The Sennheiser earbuds edge out the Beats for sound quality and call performance. But the Beats Flex takes the lead for battery life, design, and affordability.
Casual listeners who want an inexpensive but reliable wireless option should opt for the Beats Flex. But buyers willing to spend more for better sound should go for the Sennheiser CX 150BT.
Now that we’ve compared every aspect of these two wireless earbuds, let’s recap the key differences:
- Sound quality: Sennheiser CX 150BT
- Battery life: Beats Flex
- Design and comfort: Beats Flex
- Connectivity: Draw
- Noise cancellation: Draw
- Features: Sennheiser CX 150BT
- Price: Beats Flex
Hopefully, this detailed comparison has helped you decide between the Beats Flex and Sennheiser CX 150BT earbuds. Both are great options – the right choice depends on your budget and audio needs.
We do have a specific category addressing in-ear headphones on our website Headphonestalk. Have a look.
FAQs
What is the battery life of the Sennheiser CX 150BT?
The Sennheiser CX 150BT earbuds provide up to 10 hours of continuous playback on a single charge.
Does Sennheiser CX 150BT have a microphone?
Yes, the Sennheiser CX 150BT earbuds have dual beamforming microphones on each earbud for taking calls and accessing voice assistants. The microphones provide very good call quality by isolating the voice and reducing ambient noise.
How long does it take to charge a Sennheiser CX 150BT?
The Sennheiser CX 150BT earbuds take 1.5 hours for a full charge. A quick 10-minute charge provides roughly 1 hour of playback.