Yes, like the picture shows, they are triangular or pyramid shaped.The wallet sized ones sound interesting too, but never saw any.
See those review pieces earlier up in the thread. 6 Moons has some
highly detailed and high end (I _must_ say) reviews at that site.
The discussion got going on this from Full Range Driver Forum and
theres a bunch of news at DIY Audio or somplace.
I use a Yamaha RP U100 with USB connection ot the computer which
means most of its functions are controlled on screen. I'd hate to give that up for the Sonic Impact.
However, for those getting involved in streaming audio for news
and music, it should be an excellent standalone arrangement.
I while back my friend an I wondered what you could put together with the item below from All Electronics:
Here again is the chip amp idea in a compact package. Don't know
what the chip amp used is. I figured that these could be used to
enhance TV sound without a whole home theater rig-- just plug into
the audio jacks and add some nice single driver speaks in a
well designed cabinet and you have a media center.
My goal over time was to achieve great sound on a shoestring:
to apply the knowledge we have here to design systems that are
being jacked up in the commercial market.
One last thing: there's a new chip amp at Parts Express here:
[http://www.partsexpress.com/webpage.cfm?&DID=7&WebPage_ID=3]