RB1552 MkII vs RMB-1504
The RMB-1504's power @ 8ω is 70W against the RB1552 MkII's 130W, its signal-to-noise 115 dB against 120 dB, and its power @ 4ω 115W against 185W. Both share thd (0.030%).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower Amplifiers
Estimated price (community-sourced)
$1,100 - $1,699
Around — community and catalog average, updates slowly
About the RB1552 MkII
The Rotel RB-1552 MkII is a 130 watt per channel Class AB stereo power amplifier engineered for powerful, detailed, and dynamic audio performance. It features independent left and right power rectification stages with a monoblock-like layout, premium British-made slit-foil capacitors for superior energy reserves, custom toroidal transformer, and protection circuitry that monitors temperature and current without affecting sound. Designed to drive a wide range of speakers including 4-ohm loads, it offers balanced XLR and unbalanced RCA inputs, two pairs of 5-way binding posts, 12V trigger, detachable power cord, and rack ears. Ideal for high-fidelity stereo or home theater systems, it extracts nuance from complex music while providing ample headroom and control.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 130W @ 8Ω
- Power @ 4Ω
- 185W @ 4Ω
- Amplifier Class
- AB
- Damping Factor
- >400
- Minimum Impedance
- 4Ω
Analog Output
Analog signal output specifications
- THD
- 0.030%
- SNR
- 120 dB
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- stereo unbalanced RCA, stereo balanced XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 431 × 144 × 339 mm (W × H × D)
- Weight
- 12.4 kg (27 lbs)
Key Specifications
Power: 130W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions