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This article discusses the MII video tape format. For information on the game console by Panasonic please see Panasonic M2

The official logo for the MII videocassette format (courtesy Panasonic)

MII is a professional videocassette format developed by Panasonic in 1986 as their answer and competitive product to Sony's Betacam SP format. It was technically similar to Betacam SP, using metal-formulated tape loaded in the cassette, and utilizing component video recording.

MII is sometimes incorrectly referred to as M2; the official name uses Roman numerals, and is pronounced "em two". Just as Betacam SP was an improved version of its predecessor Betacam (originally derived from Betamax) with higher video and audio quality, MII was an enhanced and improved version of its predecessor as well, the failed M format (originally derived from VHS).

Unlike M, MII was somewhat successful when it was first launched, with customers like NBC in the USA and NHK in Japan using it for news gathering, and PBS in the USA using it in the late 1980s to delay their network programming by 3 hours for later airing on the West Coast. But MII also suffered from lackluster marketing, a lack of customer support & public relations from Panasonic and Matsushita (Panasonic's parent company), and most importantly, a lack of reliability due to said lack of support for repair & service. This resulted in MII not being nearly as successful as Betacam SP.

MII is not widely used nowadays, and spare parts as well as tapes for the format are now hard to come by. Used MII equipment can be had for quite affordable prices (under $1000 USD for a decent MII VCR) on the used professional video equipment market, but this mainly due to the unpopularity of the format due to its lack of manufacturer support.

• M

• List of Videotape formats, with a mention on MII