555 vs Phison Audio A2.120 SE
The A2.120 SE's power @ 8ω is 120W against the 555's 150W and its power @ 4ω 220W against 300W. Both share output impedance (8Ω) and class (AB).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower Amplifiers
Estimated price (community-sourced)
$11,000 - $12,995
Around — community and catalog average, updates slowly
About the 555
The Jeff Rowland Model 555 is a Class AB stereo power amplifier designed to deliver dynamic and natural sound with a velvety black background. It is capable of producing 150W per channel at 8Ohm and 300W per channel at 4Ohm. The amplifier is also bridgeable, allowing it to output 400W at 8Ohm. It features differential inputs and can handle both balanced and single-ended signals with the use of an adapter. The Model 555 is praised for its refined design and exceptional sound quality, making it a top choice among audiophiles.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 150W @ 8Ω
- Power @ 4Ω
- 300W @ 4Ω
- Amplifier Class
- AB
Analog Output
Analog signal output specifications
- Output Impedance
- 8Ω
- Max Output Voltage
- 400.0V RMS
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- Balanced, Single-Ended
Key Specifications
Power: 150W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions