View and Download Rotel RB-991 technical manual online. RB-991 amplifier pdf manual download. Rotel RB-991 Owner's Manual 22 pages. Rotel RB-991 Owner's The RB-991 provides remarkably lucid sound quality in a visually stunning package. Each channel delivers 200 watts per channel output over the entire audio Audio manuals and audio service pdf instructions. Find the user manual you need for your audio device and more at ManualsOnline.Read all the instructions before connecting or operating the RB-991. Keep this manual so you can refer to these safety instructions. Heed all warnings and Manual. STEREO POWER AMPLIFIER. RB-991. Table of Contents. Specification. Specification.1. Wiring Diagram .