TGSP

Tone Generator and Speaker Polarity Tester
Perfect for safely troubleshooting and testing audio systems
Output range of 0-8 volts at a variable 13 to 10,000Hz tone
Use for:
Setting system levels
Checking speaker crossover points
Verifying connections
General trouble shooting
9V Speaker popper for visually testing speaker connection polarity
Includes RCA and alligator clips for connection
Auto shutoff for extended battery life
Control knobs for easy tone and level adjustments