Rotel
Rotel RMB-1585 MKII Five Channel Amplifier
Best high-power amplifier for serious home theater enthusiasts.
The Rotel RMB-1585MKII 5-channel amplifier continues Rotel’s heritage of producing high power, audiophile performance amplifiers for multi-channel systems. It delivers unparalleled performance with five channels of Rotel Class AB amplification rated at 210 Watts per channel into 8 ohms and an impressive 340 Watts per channel into 4 ohms with all channels driven. This amplifier is purpose-built for home theater and custom installation, featuring auto-switching XLR Balanced and RCA inputs and a 12 V trigger input and output for simplified power control. Detachable rack mount ears are included for mounting in standard 19” equipment racks. The RMB-1585MKII also offers a unique Bi-Amp mode for enhanced speaker performance.
$4599.00
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Owner Satisfaction
4.7
/ 5
Category Rank
421
/ 1684
#421 in Power Amplifiers
Price vs Category Average
-44%
Below average
Power Output
210583405444024
/ W/Ch ( channels driven, Ω); W/Ch ( channels driven, Ω); W/Ch ( channels driven, Ω)
Who it's for
- Home theater owners filling large rooms with dynamic sound
- Audiophiles seeking precise musical detail and cinematic immersion
- Long-term investors prioritizing reliable, high-end hardware longevity
Who should skip it
- Users with enclosed cabinets lacking proper airflow
- Owners with limited rack space or small media consoles
- Budget-conscious shoppers looking for entry-level amplification
Performance breakdown
Power Delivery
Massive current reserves effortlessly drive even the most demanding speaker loads.
Sonic Transparency
MKII circuit upgrades ensure an exceptionally clean and distortion-free signal path.
System Integration
Versatile XLR and RCA inputs make connecting to any processor seamless.
Thermal Management
Integrated cooling fans maintain stability during high-intensity home theater sessions.
Build Integrity
Heavy-duty construction provides the rugged reliability expected for custom rack installations.
Dynamic Range
High signal-to-noise ratio delivers breathtaking clarity in both quiet and loud passages.
Key Specs
Power Output
210W/Ch (5 channels driven, 8Ω); 340W/Ch (5 channels driven, 4Ω); 440W/Ch (2 channels driven, 4Ω)
Total Harmonic Distortion (THD)
<0.03%
Frequency Response
10Hz - 100kHz, +0.1, -0.3dB
Signal To Noise Ratio
(A Weighting) 120dB
Input Sensitivity
Unbalanced: 1.89V; Balanced: 4.7V
Input Impedance
Unbalanced: 12kΩ; Balanced: 50kΩ
Consumption
1200W
Dimensions (W × H × D)
17" x 9.4" x 18"
Features
- Delivers 210 Watts per channel into 8 ohms and 340 Watts per channel into 4 ohms with all channels driven.
- Features Rotel’s celebrated Balanced Design Concept for sonic excellence.
- Incorporates MKII circuit and component upgrades for ultra-low distortion and superior signal isolation.
- Includes auto-switching XLR Balanced and RCA inputs for broad compatibility.
- Offers a 12 V trigger input and output for simplified power control.
- Detachable rack mount ears are included for standard 19” equipment racks.
- Supports a unique Bi-Amp mode for enhanced dynamics and resolution.
- Equipped with four built-in cooling fans for optimal ventilation.
What customers say
Customers consistently praise the Rotel RMB 1585 MKII for its exceptional audio quality and robust build. Enthusiasts highlight its powerful yet refined sound delivery, bringing clarity and dynamic range to home theater systems. The amplifier's solid construction and elegant design also receive frequent commendation, reinforcing a perception of premium craftsmanship and long term reliability. Many feel it significantly elevates their listening experience, making it a cornerstone of their audio setup.
Know before you buy
Yes, the RMB-1585 MKII features auto-switching XLR Balanced and RCA inputs, allowing you to connect a variety of pre-amplifiers or processors without manual configuration.
Absolutely. The unit includes detachable rack mount ears specifically designed for installation in standard 19-inch equipment racks.
The Bi-Amp mode allows you to dedicate separate amplifier channels to the high and low-frequency drivers of compatible speakers, which can result in improved resolution and dynamic performance.
The amplifier is equipped with four built-in cooling fans to maintain optimal operating temperatures, though it is still recommended to ensure adequate airflow around the unit given its 1200W power consumption.
The amplifier is highly capable with lower impedance loads, delivering 210 watts per channel into 8 ohms and increasing to 340 watts per channel into 4 ohms with all five channels driven.
Yes, the amplifier includes a 12V trigger input and output, which allows your processor or pre-amplifier to automatically power the unit on and off in sync with your system.
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$4599