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Rotel RMB-1555 Multi-channel Power Amplifier


Rotel RMB-1555 Multi-channel Power Amplifier

With only slightly less power than its big brother, the Rotel RMB-1555 retains a very robust power supply to deliver 5 x 120 Watts per channel to medium and large home theaters.


Rotel RMB-1555 Multi-channel Power Amplifier 

Solid power for a home theater system

Rotel’s RMB-1555 provides a solid 120 watts to each of five speakers in a home theater system, such as your left/center/right channels up front plus a pair of surrounds. The Rotel RMB-1555 has a custom-designed toroidal transformer inside, regulated by high-quality, British-made capacitors. It’s not just raw power for volume — it also offers precise control over the stop/start motion of the drivers, for a dynamic, accurate listening experience.

Rotel engineered this amplifier to deliver nuanced sound in a multi-channel surround sound system controlled by a matching Rotel preamp/processor. There are unbalanced RCA inputs on the rear panel for each channel, plus 5-way binding posts for connecting each speaker. Rack mounting ears are included.

Product highlights:

  • 120 watts per channel into 8 ohms (20-20,000 Hz) at 0.03% THD with all channels driven
  • 4-ohm stable for use with a wide range of speakers
  • Class AB design
    • custom made toroidal transformer for stable, noise-free performance
    • high-quality, British-made capacitors
  • frequency response: 10-100,000 Hz (+0.5/-3dB)
  • signal-to-noise ratio: 116 dB
  • thermal and overcurrent protection circuitry
  • rack mounting ears included
  • detachable power cord
  • unbalanced RCA inputs for all five channels
  • 5-way binding post terminals for each speaker
  • switchable 3.5mm 12-volt trigger in/out
Weight 22000 g
Dimensions 454 × 431 × 188 mm


Black, Silver

Features & specs

Number of Channels 5
Power Output per Channel (8 ohms) 120
Power Output per Channel (6 ohms)
Power Output per Channel (4 ohms)
Frequency Bandwidth 20-20k
THD 0.03%
Minimum Impedance 4
Bridged Power per Channel 0 watts
Speaker Outputs 5
THX Certification No
Width (inches) 17-1/16
Height (inches) 7-5/8
Depth (inches) 18-15/16
Weight 48 pounds
Parts Warranty 5 Years
Labor Warranty 5 Years
Inputs & Outputs
Number of Inputs 5
Input Type RCA
Removable Power Cord IEC 3-prong
Level Controls No
Speaker Connectors Binding Post


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