Sennheiser MKE600 Short Coiled Mic Cable XLR3F to 3.5 mm Jack KA600 It is now possible to achieve professional-quality audio for videos produced with smartphones. The KA 600i cable enables self-powered audio sources like the Sennheiser MKE 600 camera-mount shotgun to connect to any smartphone device, offering ultimate flexibility & quality to videographers & video journalists.