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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
If you're looking for a budget-friendly option primarily for music and you're okay with a wired connection, the KZ ZSN Pro X is a solid choice with good overall sound quality and build, especially for music and TV. However, if you need a pair for a variety of activities including gaming, calls, and commuting, and prefer wireless convenience with long battery life and an app equalizer for audio customization, the Sennheiser HD 250BT would be the better option, despite being pricier. The Sennheiser also offers better mic quality and active noise cancellation, which the KZ lacks, making it more versatile. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the KZ ZSN Pro X
- Good for music
Advantages of the Sennheiser HD 250BT
- Good for phone calls
- Very good for gaming
- Very good for TV and video
- Very good for air travel
- Very good for podcasts and audiobooks
Key differences
Gaming
5.9
8.8
The Sennheiser HD 250BT is very good for gaming, while the KZ ZSN Pro X is poor.
Phone Calls
3.1
7.2
The Sennheiser HD 250BT is good for phone calls, while the KZ ZSN Pro X is poor.
Podcasts and Audiobooks
4.7
8.1
The Sennheiser HD 250BT is very good for podcasts and audiobooks, while the KZ ZSN Pro X is poor.
TV and Video
7.3
8.4
The Sennheiser HD 250BT is very good for TV and video, while the KZ ZSN Pro X is good.
Battery
N/A
25.0 Hours
The KZ ZSN Pro X does not have a battery. The Sennheiser HD 250BT has 25 hours of battery life.
Cost
$24
$65
$0
$20
$40
$60
$80
$100
The KZ ZSN Pro X has a price of $24 and the Sennheiser HD 250BT costs $65.
Build Quality
8.5
9.0
The Sennheiser HD 250BT has excellent build quality, while the KZ ZSN Pro X has very good build quality.
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Key similarities
Music
7.0
6.5
Although they have very similar scores, PerfectRec considers KZ ZSN Pro X to be good for music, while the Sennheiser HD 250BT is only fair.
Noise Reduction
6.0
6.0
The KZ ZSN Pro X and Sennheiser HD 250BT are both only fair for noise reduction.
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How the KZ ZSN Pro X and the Sennheiser HD 250BT compare to other earbuds and headphones
Spec Comparison
 |  | |
| KZ ZSN Pro X | Sennheiser HD 250BT |
GENERAL | |||
|---|---|---|---|
| Price | |||
$24 | $65 | ||
Brand | |||
Brand | KZ | Sennheiser | |
Release Date | |||
Release Date | June 1, 2020 | May 1, 2021 | |
Form Factor | |||
Form Factor | Earbuds | Headphones | |
Connectivity | |||
Connectivity | Wired | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7/10 | 6.6/10 | |
Phone Calls Score | |||
Phone Calls Score | 3.1/10 | 7.2/10 | |
Gaming Score | |||
Gaming Score | 6/10 | 8.9/10 | |
TV and Video Score | |||
TV and Video Score | 7.3/10 | 8.5/10 | |
Exercise Score | |||
Exercise Score | 4.2/10 | 6.2/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | N/A | 25 Hours | |
Wireless charging | |||
Wireless charging | N/A | No | |
Charging time | |||
Charging time | N/A | 3 Hours | |
Bluetooth version | |||
Bluetooth version | N/A | 5 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | No | |
Noise Reduction Score | |||
Noise Reduction Score | 6/10 | 6/10 | |
Virtual Surround | |||
Virtual Surround | No | No | |
Android App | |||
Android App | N/A | Yes | |
iOS App | |||
iOS App | N/A | Yes | |
Mic Quality | |||
Mic Quality | 2.5/10 | 8.5/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.5/10 | 9/10 | |
Comfort score | |||
Comfort score | 7/10 | 7/10 | |
Size | |||
Size | Large | N/A | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 27 Grams | 125 Grams | |
Microphone style | |||
Microphone style | N/A | Integrated | |
Shopping
KZ ZSN Pro X
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Dig into reviews and images
Soundguys
Jasper Lastoria | April 2023
"The KZ ZSN PRO X offers superb sound for very little money, like under $30 USD. It has some rough edges with a plastic seam on the cable that can rub on your ear, and the bud is a bit large. The tech isn't cutting edge, but new doesn't always equal better. You should try it."
Sennheiser HD 250BT
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Dig into reviews and images
Headphone Check
Pete Scholßnagel | 2020
"As a lightweight, robust audio provider with a long battery life, the Sennheiser HD 250BT offer a lot for their price: very good Bluetooth codecs, an app connection and an extremely understated design. These headphones may not be among the most comfortable, but they deliver adequate sound – without overdriving or distortion."
Get a great deal on the KZ ZSN Pro X or the Sennheiser HD 250BT
About Sennheiser
A family-owned company, Sennheiser is a German, high fidelity, audio equipment manufacturer founded in 1945. Their consumer audio division is now owned by the Swiss hearing aid and cochlear implant manufacturer Sonova. Sennheiser offers a wide variety of, very high quality, audio equipment solutions, from headphones to earbuds, full sets of monitoring speakers, amplifiers and microphones. They also make what is widely regarded as the best, and most expensive, headphones in existence, the HE-1 Orpheus, costing a whopping $59,000 dollars.
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This information was produced and vetted by the PerfectRec earbuds & headphones team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest earbuds or headphones information and makes it digestible for you.
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About the Earbuds or Headphones team
Joe Golden, Ph.D
CEO and Earbuds and Headphones Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
Jason Lew
Staff Expert & Software Engineer
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.
Chandradeep Chowdhury
Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
Luis Torres
Earbuds and Headphones Expert
Luis is a Mexico-based headphones expert. He’s been making headphone recommendations for five years and has close to 100 pairs in his personal collection.
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