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The H2d-XLR hydrophone can be connected to audio recorders and computers via the mic preamp for recording frogs and fish, among other fauna.
The H2d hydrophone can be connected to audio recorders and computers via the 3.5 mm input for recording frogs and fish, among other fauna.
The AS-1 hydrophone is designed to provide maximum sensitivity in a compact size. The passive piezo microphone is omnidirectional and can record to a depth of 200 meters.
Outperforms most contact mics at very low frequencies.
Converts plug-in-powered hydrophones to balanced XLR output.
Aquarian Audio & Scientific preamplifier (preamp) to connect piezo sensors, used in most hydrophones, to professional amplifiers.