DolphinEAR
DolphinEAR
http://www.dolphinear.com/
Dolphinphone
Hear dolphins & whales in the wild! dolphin phone: low cost underwater listener. fun exciting educational inspirational. great gift. for whalewatching, diving, research. incl: hydrophone, amp, earphones
http://www.sto-p.com/dp/index.html
Neptune-Atlantis
Neptune-Atlantis
http://neptune.atlantis-intl.com/dolphins/sounds.html