8
Hydrophone Megabone Dictaphone
This phone transmits sound from one place to another
2.
This phone records speech to be transcripted a time
This phone increases the intensity of sound
This phone records or transmits sound
This is a mobile phone.
This phone measures sound under water
Answer:
Calibration Standard Hydrophone:–
A wide-range general purpose hydrophone that can also be used as a sound transmitter, making it ideal for calibration purpose. The hydrophone is supplied with 10 m waterblocked low-noise shielded cable to MIL-C-915 with BNC plug.<br>