Rotel RMB-1555 5-Channel Power Amplifier (120W x5) | RMB1555

Rotel RMB-1555 5-Channel Power Amplifier

The Rotel RMB-1555 is a dedicated 5-channel Class A/B power amplifier engineered for continuous, all-channels-driven home theater use. It delivers 120 W/ch into 8 Ω (5 channels driven) and 170 W/ch into 4 Ω (5 channels driven), using a high-current toroidal transformer, British-made slit-foil capacitors, and discrete output devices for control, stability, and long-term reliability in real-world surround systems.

Dealer Quick Fit

• Best for: L/C/R + surround amplification from any AVR/processor with 5-channel pre-outs
• Power: 120 W/ch (8 Ω, 5ch driven) • 170 W/ch (4 Ω, 5ch driven)
• Input format: 5-channel analog RCA (unbalanced)
• Control: 12V trigger in/out + rear trigger mode selector
• Rack: 4U front-panel height • rack ears included

Why Dealers Care

• Honest multi-channel power: specified with all 5 channels driven, matching real theater loads instead of 1–2 channel marketing specs.
• High-current supply architecture: toroidal transformer + slit-foil energy storage supports dynamic peaks and improved speaker control.
• Installer-friendly control: 12V trigger in/out and a trigger mode switch simplify automation and rack integration.

Power & Performance Snapshot

Connections & Control

• Analog Inputs: 5 × RCA (unbalanced) for 5-channel processor/AVR pre-outs
• Speaker Outputs: 5 channels via heavy-duty binding posts
• 12V Trigger: 3.5 mm IN and OUT
• Trigger Mode Selector: rear-panel toggle for manual vs. trigger-controlled power
• Rack / Ventilation: rear-panel fan/ventilation control provisions for rack installs (set based on airflow/noise priorities)

Installation Notes (Dealer-Useful)

• Signal chain: ideal pairing is a surround processor/AVR with 5-channel pre-outs. Maintain consistent channel mapping (Front L/R, Center, Surround L/R) from processor outputs to amp inputs.
• Trigger behavior: use the rear trigger mode selector for automated on/off; 12V trigger output can cascade power to additional components.
• Speaker loads: rated for 4 Ω minimum. For difficult speakers or tight racks, prioritize ventilation and cable integrity.
• Rack planning: allow airflow above/below and avoid blocking ventilation openings; confirm thermal headroom for sustained high-output theaters.

Core Specifications

Dealer Logistics (MSRP / UPC / Carton)

• MSRP: $2,599 (MSRP only)
• Warranty: 5 Years
• Rack Mount: rack ears included

Finish Options

• Black
• Silver

In the Box

• Rack ears
• Power cord

FAQ (Dealer-Level)

• Does RMB-1555 have balanced XLR inputs? No — RCA analog inputs only.
• Is the 4 Ω power rating with all channels driven? Yes — 170 W/ch into 4 Ω (5 channels driven).
• Can it be automated in a rack? Yes — 12V trigger in/out plus a rear trigger mode selector for automated power.
• What speaker impedance is supported? 4 Ω minimum.