XA25 vs Accuphase E-550
The E-550's power @ 8ω is 30W against the XA25's 25W, its power @ 4ω 60W against 50W, its signal-to-noise 98 dB against 50 dB, and its thd 0.050% against 0.100%.
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower Amplifiers
Estimated price (community-sourced)
$5,665
Around — community and catalog average, updates slowly
About the XA25
The Pass Labs XA25 is a compact, no-frills Class A stereo power amplifier renowned for its pristine sound quality, low distortion, and high damping factor. It features a simplified three-stage circuit with a single pair of 800-watt push-pull output transistors per channel, eliminating degeneration feedback for faster performance, lower noise, and superior handling of low-impedance loads. Designed for efficient speakers in small to medium rooms, it provides breathtaking musical detail and drives demanding loads effortlessly despite its modest rated power.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 25W @ 8Ω
- Power @ 4Ω
- 50W @ 4Ω
- Amplifier Class
- A
- Damping Factor
- >500
- Minimum Impedance
- 2Ω
- Input Sensitivity
- 1.0V RMS
- Input Impedance
- 47000Ω
Analog Output
Analog signal output specifications
- THD
- 0.100%
- SNR
- 50 dB
- Output Impedance
- 0.012Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA
- Analog Outputs
- Stereo speaker binding posts
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 432 × 152 × 438 mm (W × H × D)
- Weight
- 22 kg (49 lbs)
Key Specifications
Power: 25W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions