Pass Labs - XA100.8 - Monoblock Power Amplifiers - Pair

The XA100.8 monoblocks deliver the warmth, dimensionality, and effortless musical flow that define pure Class A amplification while offering the added power and control needed for more demanding loudspeakers. They combine rich tonal color with impressive scale and headroom, creating a presentation that feels both refined and authoritative.

Designed to remain composed through complex musical passages, the XA100.8 offers fast transients, exceptional harmonic accuracy, and a quiet background that allows low-level detail to emerge naturally. Instruments sound more lifelike and spacious, while bass carries convincing texture, weight, and control without losing musicality.

What makes the XA100.8 especially rewarding is how naturally it expands a system’s sense of scale without changing its core character. Crescendos arrive with ease, imaging remains stable and dimensional, and speakers seem to breathe more freely within the room. For listeners seeking greater authority while preserving the beauty of Class A sound, the XA100.8 is an outstanding step forward.

Available in Silver or Black finishes.

FEATURES

• Pair of Pure Class A Monoblock Amplifiers
• 100 Watts Each @ 8 Ohms
• Exceptional Imaging and Soundstage Depth
• Fast, Controlled Transient Response
• Balanced and Single-Ended Inputs
• Quiet Background with Excellent Low-Level Detail
• Designed and Manufactured in the USA

SPECIFICATIONS

• Class: A
• Type: Monoblock Power Amplifiers
• Gain: 26 dB
• Full Power @ 26 dB Gain: 1.41V
• Low Frequency Response: 1.5 Hz
• High Frequency Response: 100 kHz
• Power Output: 100 Watts Each @ 8 Ohms
• Input Impedance (SE & BAL): 50k / 100k Ohms
• Damping Factor: 200
• Power Consumption @ Idle: 500 Watts Each
• Dimensions (Each): 19”W x 21.25”D x 9”H
• Weight: 99 lbs Each