The EMG JMASTER Set is an active replacement pickup pair for Jazzmaster-style guitars, built to fit the standard Jazzmaster route format and voiced to preserve the bright, slightly hollow, articulate character that the original Jazzmaster wide single-coils made famous. The two pickups in the set are matched for neck and bridge positions, so the player gets the recognisable Jazzmaster tonal map across all three switch positions without rewiring or routing changes. What the active circuit brings to the Jazzmaster voice is quiet, even operation. Traditional Jazzmaster single-coils hum at high gain and load unevenly with long cable runs, both of which the active design eliminates. The JMASTER keeps the open, jangly top end and the woody, slightly scooped midrange that defines the platform, but presents that voice with a flat noise floor and a consistent output level regardless of guitar volume position. The result is the Jazzmaster character cleaned up for stage and studio use, not redesigned around it. Supplied as the matched pair of pickups, ready to drop into a Jazzmaster pickup route. Runs from a single 9V battery and is compatible with EMG's solderless wiring system. For a complete pre-wired installation including pots, switch, jack and harness, the JMASTER System is the alternative listing. Genuine EMG product, distributed by Selectron UK.