Pass Labs - XS 300 - Monoblock Power Amplifier & Power Supply - Pair

The XS 300 monoblocks represent reference-level Class A amplification at its highest level, delivering extraordinary realism, scale, and musical involvement without ever sounding strained or artificial. They combine immense power with exceptional finesse, creating a presentation that feels effortless, dimensional, and completely immersive.

Each XS 300 uses a dedicated dual-chassis configuration consisting of a separate amplifier chassis and external power supply chassis. This architecture allows the amplifier to maintain exceptional stability, lower noise, and preserve remarkable clarity even during demanding dynamic passages. Bass remains powerful and controlled, while imaging stays precise and expansive across the soundstage.

What makes the XS 300 truly special is how naturally it disappears into the system. Micro-detail, tonal richness, and dynamic contrast emerge without exaggeration, allowing recordings to feel lifelike and emotionally convincing. For highly revealing systems and loudspeakers capable of benefiting from true Class A headroom, the XS 300 stands as a genuine endgame amplifier.

Available in Silver or Black finishes.

FEATURES

• Pair of Reference Pure Class A Monoblock Amplifiers
• Separate Amplifier and Power Supply Chassis
• 300 Watts Each @ 8 Ohms
• Massive Current Delivery and Headroom
• Balanced and Single-Ended Inputs
• 112 Output Devices per Channel
• Designed and Manufactured in the USA

SPECIFICATIONS

• Class: A
• Type: Monoblock Power Amplifier & Power Supply
• Gain: 26 dB
• Inputs: XLR / RCA
• Power Output: 300 Watts Each @ 8 Ohms
• Output Devices: 112 per Channel
• Power Consumption: 900 Watts
• Standby Power Consumption: <1 Watt
• Configuration: Separate Amplifier and Power Supply Chassis
• Dimensions: 19”W x 27.5”D x 11”H (Each Chassis)
• Weight: 134 lbs / 172 lbs