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Black Diamond Astro 175
Coast HL7
See Top Ranked Headlamps

Black Diamond Astro vs Coast HL7

Analysis:

The reviewers at OutdoorGearLab have featured the Black Diamond Astro 175 in their The Hunt for the Best Headlamps roundup. However, it fell short of making it to the top of their list.

Taking a look at the Coast HL7, it got featured in roundups from two reliable sources that conduct their own testing - OutdoorGearLab and Switchback Travel - but it fell short of earning a top spot in either.

We conducted an analysis of all of the review data that we could find on these two products. First, we focused on sources that tested and rated both of them, like OutdoorGearLab, and learned that they all showed a preference for the Coast HL7.

Then we took a look at the highest review scores that these two Headlamps received. We found that the Black Diamond Astro 175 managed to earn a rating of 9 from OutdoorGearLab, whereas the Coast HL7 got its highest, 10, score from reviewers at OutdoorGearLab.

Lastly, we averaged out all of their review ratings and observed that the Black Diamond Astro 175, with its 9.0 average, performed considerably better than most Headlamps - the mean score for the product category being 6.0 out of 10 - while the Coast HL7 managed an average of 10.0.

There's one caveat here - it might not be entirely justifiable to do a direct Black Diamond Astro 175 vs. Coast HL7 review average comparison since they aren't priced the same and more expensive products tend to get higher review scores from some sources.

Comparison of expert ratings
Highly Recommended
Recommended
Mentioned
Not Mentioned
OutdoorGearLab
Switchback Travel
Tech. Specs Comparison
Black Diamond Astro 175
$39
Coast HL7
$27
Light Type
LED
LED
Lumens
175
305
Significantly higher than average expert review score
6.0
Overall Avg. for Headlamps
9.0
Avg. Review Score
Score
Significantly higher than average expert review score
6.0
Overall Avg. for Headlamps
10.0
Avg. Review Score
Score
Recommended by trusted experts
OutdoorGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Rated 9.0 out of 10
in “The Hunt for the Best Headlamps” 
Last updated: 29 May 2018
Recommended by trusted experts
OutdoorGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Rated 10 out of 10
in “The Hunt for the Best Headlamps” 
Last updated: 29 May 2018
Switchback Travel
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Ranked #10 out of 15
in “Best Headlamps of 2021” 
Last updated: 20 days ago

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