Low price ! Hydrophone Amplifier kit HY-30

Hydrophone and Amplifier
For Underwater sound listening
Good quality good price and easy to use
Application:

Mammal whale Dolphin sound listening/recording
Detect marine mammals for conservation & research
Environmental science & research
Kayaking
Education
Whale watching
Eco tourism
Climate research
Pool Leakage Detection
Fish farming
and much more
Each hydrophone is handcrafted and tested before shipping to ensure maximum reliability and sound reproduction
Hydrophone specifications:

Frequency range (-3dB) 20Hz to 20kHz
Transducer Sensitivity[dB, re 1V/µPa] -170
Maximum Operating Depth (tested) 3m
Operating Temperature Range -15°C to +50°C
Cable length 3 m (other lengths on request)
Nominal capacitance: 20nF (plus cable @ 118pF/m)
Connector 3.5mm phono stereo Amplifier specifications:

Color: Black

Material: Steel
Model HY-12
Size: 80x50x20mm
Input/Output Port: 3.5mm Studio Input
Output Power: 40mW @ 16Ω
Adapted Headphone Impedance: 16-150Ω
Low noise SNR:>100dB
THD+N: 0.003%
Input impedance >= !Mohm
Power source (Dc connector 5.5x2.1mm) 6-20V DC. 9V battery clip with a connector 5.5x2.1mm included Please use a clean power source like a 9V battery
Battery not includet
Package include: Hydrophone amplifier HY-12 Hydrophone with a cable HY-03 9V battery clip with a DC-connector 5.5x2.1mm !Battery is not incuded!