The Xs 300 is the kind of amplifier that makes “state of the art” feel like a real thing. It delivers startling realism at any level—micro-detail, dynamics, tonal density, and scale—without ever sounding forced.
This is reference Class A power with the finesse to disappear completely. When the amplifier stops being a component and becomes simply the music, you’re in Xs territory.
It’s also a masterclass in control: bass arrives with authority and shape, images hold steady through big swings, and the stage remains expansive and organized. If your system is revealing and your speakers can take advantage of true Class A headroom, the Xs 300 is the kind of endgame that keeps getting better as the rest of the chain improves.
SPECS AT A GLANCE
- Class / Type: Class A, Mono
- Power: 300 W / 8 Ω (per channel)
- Gain: 26 dB | Inputs: XLR / RCA
- Power consumption: 900 W | Chassis: 2
- Weight: 134 / 172 lbs (per chassis)
The Absolute Sound’s 2023 Buyer’s Guide
The Absolute Sound
TAS Editors’ Choice Award – 2022
The Absolute Sound
“the Pass Xs preamp and Pass Xs 300 power amplifier—are efforts to provide that absolute sound without compromise in either quality or price. They are new top-of-the-line components that push the state of art in audio to its limits, and they are priced accordingly”
Xs 300 TAS Editors’ Choice Award – 2021
Editor’s Choice Award 2021
The Absolute Sound
The Absolute Sound’s 2020 Buyers guide
The Absolute Sound
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
“Solid State Product of the Year”
-Tone Audio- 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
| 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 |
The Absolute Sound’s 2023 Buyer’s Guide
The Absolute Sound
TAS Editors’ Choice Award – 2022
The Absolute Sound
“the Pass Xs preamp and Pass Xs 300 power amplifier—are efforts to provide that absolute sound without compromise in either quality or price. They are new top-of-the-line components that push the state of art in audio to its limits, and they are priced accordingly”
Xs 300 TAS Editors’ Choice Award – 2021
Editor’s Choice Award 2021
The Absolute Sound
The Absolute Sound’s 2020 Buyers guide
The Absolute Sound
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
“Solid State Product of the Year”
-Tone Audio- 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