Hercules II vs Pass Labs XA200.8
The XA200.8's power @ 8ω is 200W against the Hercules II's 550W, its power @ 4ω 400W against 750W, its damping factor >200 against >100, and its thd 1.000% against 0.050%.
AI-generated product photo — not official manufacturer imagery.
Hercules II
Constellation AudioAmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$43,995
Around — community and catalog average, updates slowly
About the Hercules II
The Constellation Audio Hercules II is a flagship stereo power amplifier from the brand's Reference Series, designed for audiophiles seeking both extreme power and refined sound quality. It features a modular, balanced drive circuit topology that uses only N-type output transistors, ensuring perfect signal balance and eliminating the sonic artifacts common in traditional push-pull designs. The Hercules II delivers 550W per channel into 8Ω, 750W into 4Ω, and 1kW into 2Ω, with a frequency response of 10 Hz to 100 kHz (+1/-0.5 dB). Its chassis is crafted from premium aluminum, with a finish that sets a new standard for luxury audio components. The amplifier is equally at home driving demanding loudspeakers or revealing the subtlest musical details, making it a top choice for the most discerning listeners.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 550W @ 8Ω
- Power @ 4Ω
- 750W @ 4Ω
- Amplifier Class
- A
- Damping Factor
- >100
- Minimum Impedance
- 2Ω
- Input Sensitivity
- 1.0V RMS
- Input Impedance
- 20000Ω
Analog Output
Analog signal output specifications
- THD
- 0.050%
- Output Impedance
- 0.05Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- XLR, RCA
- Analog Outputs
- binding posts
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 330.2 × 482.6 × 812.8 mm (W × H × D)
- Weight
- 100 kg (220 lbs)
Key Specifications
Power: 550W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions