The Multiacs that use the RMC PolydriveTM system can be recognized by the individual transducer saddles under each string. This system not only produces superb amplified sound, but also produces a hexaphonic output through a 13-pin connector, which provides these guitars with direct access to RolandTM GR-Series synthesizers. The RMCTM system with synth access is featured in the Multiac Nylon SA, the Grand Concert SA, the Multiac Spectrum, ACS-SA, ACS Slim, the Multiac Fretless and the Multiac Jazz. The key to the exceptional synth tracking of the Multiac lies not just in the electronics but also in the carefully selected and balanced blend of different wood used in its design. All of the materials used are the result of extensive prototype testing to achieve the best possible combination of plugged-in guitar sound and synth tracking.
All of the Multiac SA models are equipped with two outputs. The ¼" phone output works with a regular guitar cord. The 13-pin connector provides hexophonic (a separate signal for each string) output that is compatible with a number of devices most notably the RolandTM GR-Series guitar synths.