Galaxy Cricket Polarity Test Set<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Checks continuity and polarity </span></li><li><span class="a-list-item"> 1/4" TRS and XLR in/out </span></li><li><span class="a-list-item"> Tests speakers， mics， cables and wireless systems </span></li><li><span class="a-list-item"> Tests mixers and signal processors for polarity inversions </span></li><li><span class="a-list-item"> Internal speaker for testing mic polarity </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Toj3ehStL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/512rYcqrAdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51eNPWvrO%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41efiMPE20L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41xZv3bz0tL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51prC5v1r-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41EOCytu1dL.jpg" noproxy>