01
From the Community
From the community
No conversations about the JX 305 yet — own one or know it well? Ask the first question, share a fix, or post your unit.
02
Document Library
Manuals
403
Audio Demos
04
Compatible Sound ROMs
05
EPROM Archive
Roland JX-305
V2.80os·E1891CB60
06
Parts & Components
Get full parts access
Subscribe to see pricing and buy parts for your JX 305
07
Modifications
08
Owner Registry
Production figures for the JX 305 were never widely published, so there’s no official record of how many were built — or how many survive. This registry is a community census: every owner who logs their unit makes it the closest thing there is to a real count.
0units registered
0 serials recorded
No units on the census yet — be the first to put your JX 305 on the map.
Own one? Add it to My Gear to join the registrySerial number, condition, and configuration are aggregated anonymously into the census.
09
