PAC TLPTG2 Tone Generator & Polarity Tester

Perfect for Safely Troubleshooting & Testing Audio Systems Tone Generator & Polarity TesterOffers an output range of 0-8 volts at a variable 10 kHz to 13Hz tone for setting system levels, checking speaker x-over points, verifying connections and general trouble shooting. The TL-PTG also has a 9v speaker popper for visually testing speaker connection polarity. Connections can be made via supplied RCA or alligator clips. It features an auto shutoff for extended battery life; small size for hand held use and knurled control knobs for easy tone and level adjustments. Features: Test Speaker Polarity Check Cross Over Points Verify Speaker Wiring Test RCA Cables For Continuity