The SSO3-MD is a portable and very easy-to-use hydrophone system
that consists of the SSO3-10 Sea-Phone hydrophone and the Fender Mini Deluxe portable amplifier.

See the SS03-10 Sea-Phone hydrophone for an overview and specs on the hydrophone;
SSO3-10 Sea-Phone photo for a closeup view of the Sea-Phone; or
the Fender MD for a closeup view of the amplifier.

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