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Rotel® RMB-1504 Distribution Amplifier-RMB-1504

Model #: RMB-1504
At a Glance

The RMB-1504 Class AB 4-channel amplifier delivers on the ongoing commitment of performance without compromise building on over 55 years of Rotel amplifier design and in-house manufacturing of Hi-Fi electronics. This amplifier provides the power and refinement suited for home theater installations as well as custom installation multi-room audio solutions.

Available in Store Only


Get to know this product.

  • 4 x 70 Watts of robust power
  • Class AB amplifier design
  • Optional rack ears available
  • Automatic signal sensing
  • 12 volt trigger input

The RMB-1504 Class AB 4-channel amplifier delivers 70 watts per channel into 8 ohms and 115 watts into 4 ohm loads with the ongoing commitment of performance without compromise building on over 55 years of Rotel amplifier engineering, design and manufacturing experience. This amplifier provides power and refinement for object based overhead speakers in home theater installations and the demanding drive required for custom installation and multi-room audio solutions.

The 12 volt trigger input and output connections, user selected audio signal sense power control, front panel volume attenuators, audio output link connections, 5-way speaker binding posts and available rack mount kit provides ultimate installation flexibility.

An oversized factory built toroidal transformer and high efficiency capacitors drive an array of high current output transistors ensuring fast transient timing, accurate detail and controlled consistency of low frequency regardless of the loudspeakers load rating or cable run distance. Maintaining crucial timing and energy while delivering effortless power is a signature trait of this amplifier providing increased speaker placement options.

Critical evaluation of the circuit design and meticulous selection of each acoustic audio components ensures accuracy, power and efficiency all coupled with an unsurpassed build quality ensuring this amplifier proudly wears the Rotel name.



Front Panel Height3U / 132.6mm (5.25")
Power Requirements120V, 60Hz
Power Consumption450W
Standby Power ConsumptionStandby < 0.5W; Signal Sense 1 W
Net Weight14.9kg (32.8lbs.)
BTU Rating (4O, 1/8Th Power)810 BTU/h
Continuous Power Output4 x 70W/Ch (All channels driven, 8O)
Total Harmonic Distortion (THD)(20Hz–20kHz, 8O) <0.03%
Signal To Noise Ratio (IHF “A” Weighted)115dB
Intermodulation Distortion (60Hz:7Khz, 4:1)<0.03%
Damping Factor>200
Speaker Impedance4O minimum
Input Sensitivity1V
Input Impedance20kO

Misc. Specs

Depth (in.)17.5
Height (in.)5.7
Frequency Response10Hz - 100kHz ±1dB
Width (in.)17
Product Weight32.8
WarningProposition 65 Warning for California Residents