A stereo audio amplifier boosts sound 50 times.
Great for the hearing impaired (e.g. when watching TV), as a gadget, science project, etc.
With volume control and on/off switch.
Power supply: 3 1.5V AA battery (not included)
Dimensions: 2.4" x 2.1" x 1.7"
NOTE: Please allow 24 hours for assembly!
Documentation and Downloads