The Sehlin Helium ranks #45 out of 48 total Medium Size Bookshelf Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
#45 Sehlin Helium: $140
Pros: An entire pair of drivers and crossover parts costs about $140, with a Parts Express flat-pack enclosure keeping the build simple - genuinely small enough to fit in the palm of a hand.
Cons: CEA2034 spinorama shows an uneven response that the designer’s own re-measurements confirmed rather than explained away as error. The reviewer described the sound as muffled, boomy, and gritty even up close, concluding “this is a failing attempt” relative to larger designs. Maximum output is limited to about 80dB SPL, well below normal listening levels for most rooms.
How it compares: Just above it: Definitive Technology ProMonitor 1000 - $109 more. Just below it: Jamo C 93 II - $159 more.
| Dimensions | 6.5W x 4.5H x 5D in (0.04 cu. ft. enclosure) |
|---|---|
| Drivers | Dayton Audio ND91-4 3.5" full-range driver (single-driver design) |
| Weight | not published (DIY kit) |
| Woofer Cabinet | sealed |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples