The Xs series monoblock power amplifiers represent the reference-quality, state-of-art amplifiers from Pass Laboratories. Through years of "spare no effort" endeavor, they represent the true pinnacle of music reproduction. The Xs 300 delivers 300 watts, employs separate power supply and amplifier chassis' for lower noise and utilizes higher-power constant-current source. Single-ended bias current not only lowers distortion, but facilitates better control of its harmonic structure, tweaked and optimized through endless listening tests for your musical pleasure.

Editor’s choice award 2017
The Absolute Sound

“Solid State Product of the Year”
-Tone Audio- USA

“Best Performance of the Year 2014”
-Audio Art- Taiwan

“Best Products of the year 2013 Award”
-hometheaterhifi.com- USA

“Some might even proclaim them as the very best”
Positive Feedback

“The end result is musically realistic and involving at every level.”
The Absolute Sound

The Absolute Sound’s 2020 Buyers guide
The Absolute Sound

Class A
Type Mono
Gain (dB) 26
Inputs XLR/RCA
Power Output /ch (8 ohm) 300
No Output devices (/ch) 112
Power Consumption (Watts) 900
Standby Power Consumption (Watts) <1
Number of Chassis 2
Unit Dimension (W x D x H) (In.) 19 x 27.5 x 11 x 2
Unit Weight (LBS) 134 / 172
Class A
Type Mono
Gain (dB) 26
Inputs XLR/RCA
Power Output /ch (8 ohm) 300
No Output devices (/ch) 112
Power Consumption (Watts) 900
Standby Power Consumption (Watts) <1
Number of Chassis 2
Unit Dimension (W x D x H) (In.) 19 x 27.5 x 11 x 2
Unit Weight (LBS) 134 / 172

Editor’s choice award 2017
The Absolute Sound

“Solid State Product of the Year”
-Tone Audio- USA

“Best Performance of the Year 2014”
-Audio Art- Taiwan

“Best Products of the year 2013 Award”
-hometheaterhifi.com- USA

“Some might even proclaim them as the very best”
Positive Feedback

“The end result is musically realistic and involving at every level.”
The Absolute Sound

The Absolute Sound’s 2020 Buyers guide
The Absolute Sound