Speaker Polarity Tester with Tone Generator

Ideal for troubleshooting and testing audio system and installation. It offers an output range of 0-8 volts at a variable 13Hz to 10kHz tone for setting system levels, checking speaker cross over points, verifying connections and general trouble shooting. It features a 9V speaker popper for visually testing speaker connection polarity. Connections can be made via included RCA or alligator clips. It also features an auto shutoff for extended battery life. 

Features:

•    Squarewave Tone generator, speaker polarity and RCA cable tester
•    Output Range: 0V-8V
•    9V speaker popper
•    RCA or alligator clips
•    Power: 9V Battery (Required)