Rotel RMB-1504 4-Channel Custom Installation Amplifier

Rotel RMB-1504 4-Channel Custom Installation Amplifier Key Features:

• 4 channels delivering 70W per channel into 8 ohms (115W into 4 ohms) – Provides powerful, precise amplification ideal for driving overhead or multi-room speakers with clarity and control.

• Class AB amplifier design – Balances warm, natural sound with efficient power delivery for refined audio performance.

• Precision-engineered toroidal transformer and high-efficiency capacitors – Ensure fast, accurate transient response and consistent bass control across various speaker loads and distances.

• 12-volt trigger input and output with user-selectable audio signal sensing – Enables automated power management and energy savings in multi-zone setups.

• Front panel volume attenuators and audio output linking – Offer convenient zone-level volume control and flexible source distribution options.

• Five-way binding posts – Provide secure, professional-grade speaker connections for reliable performance.

• Rack mount kit included (rack ears in select markets) – Simplifies integration into professional or custom installation racks.

• Expertly engineered for versatility and long-term reliability – Delivers consistent, high-quality sound tailored for demanding home theater and multi-room applications.

Product Description: 

The RMB-1504 is a Class AB 4-channel amplifier that reflects Rotel’s six-decade legacy of uncompromising performance and expert in-house craftsmanship. Designed for versatility, it delivers both power and precision, making it an excellent choice for home theater systems and custom multi-room audio installations alike.

Engineered with care.

The RMB-1504 is a high-performance 4-channel Class AB amplifier that reflects over 60 years of Rotel’s audio engineering expertise. Delivering 70 watts per channel into 8 ohms and 115 watts into 4 ohms, it provides the ideal balance of power and refinement for driving object-based overhead speakers in home theaters and meeting the demands of custom multi-room audio installations.

Designed for maximum versatility, the RMB-1504 features 12-volt trigger input and output, user-selectable audio signal sensing, front panel volume attenuators, audio output linking, 5-way binding posts, and a rack mount kit (with rack ears included in select markets).

A precision-engineered toroidal transformer and high-efficiency capacitors power an array of high-current output transistors, delivering fast, accurate transients and consistent bass control—even across varying speaker loads and cable distances. This consistent performance enables flexible speaker placement without compromising audio fidelity.

Meticulous component selection and thoughtful circuit design ensure that the RMB-1504 meets Rotel’s uncompromising standards for sound quality, efficiency, and long-term reliability.

Specifications: 

Dimensions and Weight: 

Overall - 

Product Weight - 14.9 kg (32.8 lbs.)