Specifications:

Sensitivity:
without preamp:
-201 dB re: 1V/µPa (8.9 V/Bar)

with preamp:
max — -165 dB re: 1V/μPa (562 V/Bar)
min — -240 dB re: 1V/µPa (0.1 V/Bar)

Frequency Response:
2 Hz to 30 kHz

Equivalent Input Self Noise:
RMS from 1 Hz to 1000 Hz:
78 dB re: 1 µPa
0.08 µBar

Spectral:
54 dB re: 1 µPa/√Hz @ 10 Hz
42 dB re: 1 µPa/√Hz @ 100Hz
42 dB re: 1 µPa/√Hz @ 1000Hz

Preamplifier Type:
Current or Voltage mode

Maximum Operating Depth:
500 meters with no signal degradation;
Hydrophone implodes at 1,000 meters

Size:
2.50” length x 0.75” dia.