Test your cables for ground/tip continuity and shorts using this Universal Remote Tester. Its lightweight design and smart functionality simplifies the custom cable-making process. If you're working with long-run multi-room installations, just grab two testers and utilize the built-in send and receive signal feature. 
Planet Waves Remote Cable Tester
Test your cables for ground/tip continuity and shorts using this Universal Remote Tester. Its lightweight design and smart functionality simplifies the custom cable-making process. If you're working with long-run multi-room installations, just grab two testers and utilize the built-in send and receive signal feature - it's as easy as that.