A comparison of specs, key information, reviews, and best pricing from top retailers
Last updated -- hours ago | Report incorrect information
Company ProductName Specs
Company ProductName Specs
What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·
If you value portability and the convenience of a built-in microphone for calls, the KZ ZSN Pro earbuds may be a good fit, as they are more compact than headphones and typically provide a secure in-ear fit suitable for active use. On the other hand, if you prefer over-ear comfort and potentially better battery life for longer listening sessions without the need for frequent charging, the Sennheiser HD 250BT headphones could be preferable. Additionally, headphones like the HD 250BT often offer enhanced audio quality, with a more spacious soundstage than what in-ear models like the KZ ZSN Pro can provide. Keep in mind that while the HD 250BT may offer lower latency, making them suitable for TV and gaming, the price difference is also a factor to consider if budget is a constraint. 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 (with Mic)
- Good for music
Advantages of the Sennheiser HD 250BT
- Good for phone calls
- Very good for TV and video
- Very good for air travel
- Very good for podcasts and audiobooks
Key differences
Music
7.7
6.5
The KZ ZSN Pro (with Mic) is good for music, while the Sennheiser HD 250BT is only fair.
Gaming
8.0
8.8
The Sennheiser HD 250BT and KZ ZSN Pro (with Mic) are both very good for gaming, though the Sennheiser HD 250BT is somewhat better.
Phone Calls
5.1
7.2
The Sennheiser HD 250BT is good for phone calls, while the KZ ZSN Pro (with Mic) is poor.
Podcasts and Audiobooks
4.9
8.1
The Sennheiser HD 250BT is very good for podcasts and audiobooks, while the KZ ZSN Pro (with Mic) is poor.
TV and Video
7.4
8.4
The Sennheiser HD 250BT is very good for TV and video, while the KZ ZSN Pro (with Mic) is good.
Noise Reduction
5.3
6.0
The Sennheiser HD 250BT is only fair for noise reduction, while the KZ ZSN Pro (with Mic) is poor.
Battery
N/A
25.0 Hours
The KZ ZSN Pro (with Mic) 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 (with Mic) has a price of $24 and the Sennheiser HD 250BT costs $65.
Let Us Help Find Your Perfect Headphones
Find your new headphones
Key similarities
Build Quality
9.0
9.0
The KZ ZSN Pro (with Mic) and Sennheiser HD 250BT both have excellent build quality.
Give feedback
We’re constantly working to improve.
How the KZ ZSN Pro (with Mic) and the Sennheiser HD 250BT compare to other earbuds and headphones
Spec Comparison
 |  | |
| KZ ZSN Pro (with Mic) | Sennheiser HD 250BT |
GENERAL | |||
|---|---|---|---|
| Price | |||
$24 | $65 | ||
Brand | |||
Brand | KZ | Sennheiser | |
Release Date | |||
Release Date | March 1, 2019 | May 1, 2021 | |
Form Factor | |||
Form Factor | Earbuds | Headphones | |
Connectivity | |||
Connectivity | Wired | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7.8/10 | 6.6/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.1/10 | 7.2/10 | |
Gaming Score | |||
Gaming Score | 8/10 | 8.9/10 | |
TV and Video Score | |||
TV and Video Score | 7.5/10 | 8.5/10 | |
Exercise Score | |||
Exercise Score | 4.3/10 | 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 | 5.3/10 | 6/10 | |
Virtual Surround | |||
Virtual Surround | N/A | No | |
Android App | |||
Android App | N/A | Yes | |
iOS App | |||
iOS App | N/A | Yes | |
Mic Quality | |||
Mic Quality | 7/10 | 8.5/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 9/10 | 9/10 | |
Comfort score | |||
Comfort score | 7.6/10 | 7/10 | |
Size | |||
Size | Large | N/A | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 7 Grams | 125 Grams | |
Microphone style | |||
Microphone style | In-Line | Integrated | |
Shopping
KZ ZSN Pro (with Mic)
See more
Dig into reviews and images
PrimeAudio
David Becker | 2019
"Undoubtedly the focus and the star of the show, the ZSN Pro’s bass is big, bold and bangin’. The amount of gusto in the low end should satisfy anyone who likes a large lick of bass and even certified bassheads will probably get a kick out of this."
Sennheiser HD 250BT
See more
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 (with Mic) 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.
Give feedback
We're constantly perfecting our model
Earbuds or Headphones guides you might be interested in
More comparisons for you
FAQs
FAQs about earbuds and headphones
Why trust us
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.
By the numbers
108
Earbuds and headphones evaluated
11,340
Earbuds and headphones stats compiled
15
Proprietary Earbuds and headphones ratings developed
125,900
Recommendations made
18,885
Consumer hours saved
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.
Featured in
