The horn is used in at least 3 produts so far. Here are links to pictures
http://www.harman-japan.co.jp/produc...cons/s4800.htm
http://www.harman-japan.co.jp/produc...cons/s5800.htm
http://www.harman-japan.co.jp/produc...s/sk2-1000.htm
The large horn accepts a 1.5" throat driver and the small horn is apparently a 3/8" throat for the 045Ti or 045Be.