Anthony Edwards wrote:

Indeed, the Neutron III model being both a true bookshelf
loudspeaker and almost universally well reviewed (it does require
meaty amplification though, with 100wpc being a practical minimum to
get the best from these loudspeakers). There appears now also to be
a Neutron IV model:

http://www.avihifi.co.uk/NuNeutron%2...tron%20IV.html

If it has a reflex port at the back then it's not a bookshelf speaker.
At least that's not as bad as the Bose bookshelf speakers with a
tweeter at the rear.

--
Roger.