ECM-6 Extension Cable for Zoom Interchangeable Input Capsules Give your microphone some mobility. The ZOOM ECM-6 is a six-meter-long extension cable for your ZOOM F8 Multitrack Field Recorder, H5 Handy Recorder, H6 Handy Recorder, and Q8 Handy Video Recorder. With the built-in three-prong action mount and the included hot shoe adapter, you can place your ZOOM Capsules on tripods, boom poles, DSLRs, and much more without sacrificing your ability to monitor recordings and adjust your settings.