Rotosound FM66 Funk Master Bass Strings

Rotosound FM66 Funk Master Bass Strings

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A light yet balanced custom gauge derived from our Swing Bass 66 range that is perfect for slap bass.

This set was originally developed in conjunction with Mark King who revolutionized bass playing with pop funk chart toppers Level 42.



“I’ve been lucky enough to have been involved with Rotosound for over thirty years now, going right back to my first Jaydee and the custom gauges that the guys made up for me, 30-50-70-90, and still do to this day, only now with double-ball ends for my Status King basses.

The fantastic tonal consistency of the strings has been the bedrock of my sound, and we all know that your sound starts with the strings, right?
Mark King



Manufactured in the UK to precise tolerances and using only the finest materials, you can rely on Swing Bass 66 strings for consistent tone and performance in every packet.

Every Swing Bass 66 string is still hand made by highly skilled engineers on James How’s original machinery. 



With so many musicians experimenting with unique gauges and drop tunings it is hardly surprising to know that Swing Bass Custom Box Singles, first introduced in the ’60s, enjoy more popularity now than ever before.

With such a wide range starting from 0.025″ to 0.140″ in increments of 0.005″ there will be a gauge to suit everyone’s custom set.