Rotel RMB 1504
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Info Hotline:
If you can not reach us by phone, just use our contact form:- 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.

Founded in Japan in 1966 with technical development from England. This amalgamation has led to exceptionally well-balanced price / performance ratio. Long warranty periods and utilisation of prime-quality parts underscore Rotel’s reputation. A long-standing and sure-shot recommendation by our team members.
We have a wide range of Rotel devices available for demonstration in our HiFi and home cinema studios in Berlin-Kreuzberg. We look forward to your visit!
Model | RMB-1504 |
DIMENSIONS (W × H × D) | 431 × 144 × 443mm 17" × 5.7" × 17.5" |
FRONT PANEL HEIGHT
|
3U / 132.6mm (5.25")
|
POWER REQUIREMENTS
|
120V, 60Hz
|
POWER CONSUMPTION
|
450W
|
STANDBY POWER CONSUMPTION
|
Standby < 0.5W
Signal Sense 1 W
|
NET WEIGHT
|
14.9kg (32.8lbs.)
|
BTU RATING
|
810 BTU/h
|
CONTINUOUS POWER OUTPUT
|
4 x 70W/Ch (All channels driven, 8Ω)
|
TOTAL HARMONIC DISTORTION (THD)
|
(20Hz–20kHz, 8Ω) <0.03%
|
FREQUENCY RESPONSE
|
10Hz - 100kHz ±1dB
|
S/N RATIO (IHF "A" Weighted)
|
115dB
|
GAIN
|
26dB
|