NVX XTGSP2 Tone Generator & Speaker Polarity Tester, 0–8V Output, 13–10,000Hz Variable Tone, RCA & Alligator Clip Leads, Auto Shutoff, Level & Frequency Controls for Audio System Setup electronics3 providing similar tension of natural

providing similar tension of natural skins

A side cutout allows you to easily slip the socket onto the sensor

Low profile when wrapped on wires

20Small Multi-Use Round Magnets

Switching Life: 20000-40000 times

NVX XTGSP2 Tone Generator & Speaker Polarity Tester, 0–8V Output, 13–10,000Hz Variable Tone, RCA & Alligator Clip Leads, Auto Shutoff, Level & Frequency Controls for Audio System Setup electronics3 providing similar tension of naturalNVX XTGSP2 Tone Generator & Speaker Polarity Tester, 08V Output, 1310,000Hz Variable Tone, RCA & Alligator Clip Leads, Auto Shutoff, Level & Frequency Controls for Audio System Setup Product Features It features an auto shutoff for extended battery life; It is a very small size, making it easy for handheld use, and is also designed with rotary control knobs for easy tone and level adjustments Perfect Troubleshooting and Testing Speaker Polarity Tester