Roland JX-8P Editor and Librarian

Patch Base has the best Roland JX-8P editor and librarian available for Mac and iPad. Edit any parameter, organize patches, create random patches, and more.

The Roland JX-8P is a classic analog synthesizer from 1985 featuring two oscillators, high- and low-pass filters, two envelopes, two Chorus modes, and more. While it has a great sound and is capable of a wide array of tones, on-board editing is a bit of a pain with a single data slider and membrane buttons. Patch Base gives you easy editing of every voice parameter on the JX-8P, as well as a Tone Bank Editor to back up and organize your sounds.

Tone (Voice) Editor

Patch Base gives you quick, direct access to all of the parameters for JX-8P on one screen:

Tone Bank Editor

Edit and organize the 32 Tones stored in your JX-8P's memory. Patch Base gives you direct access to the bank, so you can organize patches and back them up to files on your device.

Patch Librarian


Download Patch Base for iPad free in the App Store.

View in App Store

Patch Base runs on macOS 10.13 and higher. Download it here.


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