X150.8 vs X250.8
The X250.8's power @ 8ω is 250W against the X150.8's 150W and its power @ 4ω 500W against 300W. Both share damping factor (>100) and thd (1.000%).
Both turn up in the same documented systems.
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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Pass Labs X150.8 Stereo Power Amplifier is the entry-level model in Pass Labs' acclaimed X.8 series, offering audiophile-grade performance with 150 watts per channel into 8 ohms. Utilizing a Class A/AB topology, the X150.8 operates 'higher' into Class A than its predecessors, ensuring a warm, detailed, and dynamic sound signature. The amplifier features fully balanced input stages, Pass Labs' proprietary Super-Symmetry circuitry for low distortion, and a robust power supply with large heat sinks for stable operation. With both balanced (XLR) and single-ended (RCA) inputs, the X150.8 is designed to drive even demanding loudspeakers with ease. Its minimalist, elegant chassis and meticulous component selection make it a reference choice for discerning listeners seeking uncompromising sound quality and reliability.
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Components that show up alongside the X150.8 in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The X250.8's power @ 8ω is 250W against the X150.8's 150W and its power @ 4ω 500W against 300W. Both share damping factor (>100) and thd (1.000%).
Both turn up in the same documented systems.
The SM-11S1's power @ 8ω is 110W against the X150.8's 150W, its power @ 4ω 220W against 300W, and its thd 0.010% against 1.000%. Both share damping factor (>100).
The SA-200.2 ES's power @ 8ω is 200W against the X150.8's 150W, its power @ 4ω 350W against 300W, its damping factor >400 against >100, and its thd 0.050% against 1.000%.
The XA160.5's power @ 8ω is 160W against the X150.8's 150W, its power @ 4ω 320W against 300W, and its damping factor >200 against >100. Both share thd (1.000%).
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