MZC 64 is a Speakercraft made multizone Audio/video amplifier controller. And the cable I am looking for is used for firmware upgrade in MZC 64 and also for programming the MZC 64 for different zones. From the information I have gathered, it is 3.5mm quad plug to DB9 serial adapter. - I have a SpeakerCraft MZC-66 System that I refurbished the amp cards on and learned how to program and set up. I have a MZC-66 and was thinking of using RS232 via the 3.5mm Control Jack that is used to configure the system via EZ Tools. I seem to have all the tools and documentation to support this, has anyone considered this approach Level up your home theater system with the award-winning performance from our home speaker. SpeakerCraft audio solutions offer a selection of surround sound speakers delivering all the audio drama with the great sound quality from movies, shows, music, and games - immersing you in the total cinematic soundscape. All-Weather Audio. Outdoor Living. Mac Tools® offers top of industry Hand Tools. Highlighting the SCL14PT a best seller in our combination wrenches portfolio and the industry. With an I-Beam handle design for maximum strength and comfort and a chrome finish to resist corrosion, this kit is a must have for any mechanic! SpeakerCraft MZC-66 12 Channel Power Amplifier. I removed this asa a working unit from a business that closed down. Program these SpeakerCraft MZC-66 to function identically or separately, as they are able to accommodate an RG6 coax at a length of up to 500 feet. the key to making one work is you need proprietary "EZ-Tools" to program The software used to program the mzc controllers is called EZ TOOLS the latest version of which is 401. This version handles both the IR database versions released in these units. V313 is the older one and 401 is the latter. you will need a laptop which runs windows, EZ tools is native to XP but should work emulated under later versions of windows. After speaking to CSE it is possible to connect Speakercraft Ir receivers to the MZC-88 but they were not forthcoming on how. The IR receiver has 4 wires ; +12v. GND. IR In. Status. The KCM-1.0 EZ which. connects to the MZC-88. has 5 inputs (for key-. pads aswell) ; +12v. It can be used for one-way communication from your MZC controller to source or non-source equipment and can convert IR to RS232 in a stand-alone configuration. Firmware can be upgraded using SpeakerCraft's EZ Tools program. Please note: SpeakerCraft PS-1.0 power supply is required, sold separately. This info is meant for all the Speakercraft MZC controllers. The software used to program the mzc controllers is called EZ TOOLS the latest version of which is 401. This version handles both the IR database versions released in these units.