Here it is. A shoot thru hull down imaging transducer from humminbird. Humminbird has a tx exchange program. If you buy a di unit, you can swap the stock unit with the shoot thru model for free by sending it in.
http://fishfinders.factoryoutletstor...ih-9-di-t.html
Matches up to the new 596di and 570di units.
Sweet. 4000 watts, color and down imaging for less than 500 street.
http://www.anchorexpress.com/Product...tCode=408110-1
The 570di is a black and white, down imaging unit for less than 300.
Yey. Maybe on my next kayak.
Check out some user pics I found on the net.
