BOSS releases GM-800 system program Ver.1.10

May 1, 2024 · 1 sources

BOSS released GM-800 system program Ver.1.10 in May 2024, according to the update history on the maker's support page¹. The GM-800 is a guitar and bass synth processor; the update applies to that unit only¹.

Ver.1.10 adds support for the BOSS GK5-KIT-G6, GK5-KIT-G7 and GK5-KIT-B, and support for 7-string guitars with the GK5-KIT-G7 installed¹. It also adds an OUTPUT MODE parameter that outputs the guitar or bass guitar's normal pickup sound input via the GK IN jack¹. BOSS states that pitch detection and stability have been improved when playing¹.

The same page lists later releases: Ver.1.20 in January 2025 added a GK Audio function, PART HOLD as a TARGET in ASSIGN SETTING, modes to the TUNER function, and changed the default Auto Off value to 20 minutes; Ver.1.50 in July 2026 added a TRACKING MODE to GK SETTING that BOSS says prioritizes responsiveness and reduces latency, along with stability improvements and a fix for operations sometimes being disabled¹.

BOSS directs owners to update BOSS TONE STUDIO for GM-800 and the GM-800 Driver as well¹. The update requires a USB memory formatted on a GM-800, with the file "GM-800_UPA_up.bin" copied to the root directory; the unit is started while the [WRITE] button is held¹. BOSS warns against powering off during the update¹.

The GM-800 sits among the maker's guitar synth products, alongside the Synth Pedals category.