User Manuals, Instructions and Guides for JBL SYNTHESIS products.
JBL SYNTHESIS SDR-38 Immersive Surround Sound AV Preamplifier Owner’s Manual
Discover how to upgrade the firmware for the SDR-38 Immersive Surround Sound AV Preamplifier with the latest version 1v62_2057 from JBL Synthesis. Learn about enhancements such as improved eARC compatibility and Tidal Hi-Res integration. Address audio dropouts with PS5 by updating to the latest firmware.