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XPA-3 Gen3 3 Channel Audiophile Home Theater Power Amplifier

3 Channel Audiophile Home Theater Power Amplifier
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The new XPA-3 is a three-channel audiophile quality power amplifier, and is perfect for powering ...More

The new XPA-3 is a three-channel audiophile quality power amplifier, and is perfect for powering the three important front channels of a 5.1 channel, 7.1 channel, or Dolby Atmos / DTS:X home theater system.Less

Audiophile grade Class A/B output stages and a massive silent switch mode power supply.
Three high-powered single channel modules.
Perfect choice to power the front three channels of a great surround sound system.
Upgrade the important front three channels of your AVR.
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  • Features

  • Overview

  • Specs & Downloads

Sound Quality First

Designed first and foremost to sound superb in all types of audio systems with all types of music.

Low noise, low distortion, wideband amplifier design with traditional Class A/B output stage ensures smooth, detailed sound, without a trace of strain or harshness. .

Totally stable with real world speakers in real systems; not just on a test bench.

Modern Efficient Circuit Design

Optimized Soft-Switch Class H™ power supply topology delivers improved efficiency without compromising audio performance.

Switched Mode Power Supply (SMPS) offers all of the performance of a traditional linear power supply, with improved efficiency and reliability, and reduced overall weight.

Quality Construction

Top quality parts and construction throughout for years of reliable trouble-free service.

Heavy steel 4RU chassis with milled aluminum faceplate offers strength and rugged good looks.

Solid machined gold-plated RCA input connectors provide a reliable connection with a wide variety of audio interconnects.

Fully modular construction allows you to purchase as many channels as you need today, and then add more channels later when and if you need them.

Designed, assembled, and tested in the U.S.A. at our plant here in Franklin, Tennessee

Flexible Signal Connections and Power Options

Gold plated five-way speaker binding posts with clear shields allow you to use a wide range of speaker cables with bare wires, lugs, or banana plugs.

Choice of balanced or unbalanced input for each channel, independently controlled by reliable metal toggle switches.

Remote trigger input and output allow the XPA-3 Gen3 to control and be controlled by other trigger-enabled equipment.

World compliant AC line voltage operation enables the XPA-3 Gen3 to operate on any line voltage between 100 VAC and 250 VAC 50/60Hz.

Standard IEC power inlet fits all standard IEC power cables and most custom audiophile power cables.


Audiophile-grade fault protection is entirely transparent under normal listening conditions, yet protects the amp and your other equipment from virtually all common faults.

The XPA-3 Gen3 is protected from AC line faults by a rugged resettable rear panel push-button circuit breaker.

Full five-year warranty ensures that you’ll be able to enjoy your XPA-2 Gen3 amplifier for years to come.

The power amplifier performs the simple but critical job of boosting the output signals from each channel of your stereo preamp or surround sound processor to the level necessary to drive your loudspeakers. While this may seem trivial, a really good power amp is essential to having a great audio system, because any flaws in the performance of your power amp are going to limit the performance of your entire system. Every amplifier in the new Third Generation XPA series was carefully designed to deliver superb technical performance, unsurpassed sound quality, and an exceptionally accurate and dynamic rendition of all types of music, thus ensuring that your entire system will sound its absolute best. Each individual XPA amplifier is modular, and can be customized to provide exactly the power and number of channels you need today, and expanded later if your needs change; and multiple matching chassis enable you to add even more channels, or more power, for a near endless variety of options.


The new XPA-3 is a three-channel audiophile quality power amplifier, and is perfect for powering:

  • The three important front channels of a 5.1 channel or 7.1 channel home theater system.

Connecting an XPA-3 to the preamp outputs of your current high-quality AVR is a great way to upgrade the performance and sound quality of the three critical front channels.

3 x High-Powered Single-Channel Modules
(four module slots remain available for future expansion)

Power output:
275 watts/channel RMS into 8 Ohms; all channels driven
300 watts/channel RMS into 8 Ohms; two channels driven
490 watts/channel RMS into 4 Ohms; two channels driven

Learn More About Gen 3

Circuit Topology

The XPA-3 Gen3 is a fully modular audio power amplifier with a high-efficiency switch mode power supply (SMPS), independent, fully discrete, dual differential, high current, short signal path Class A/B amplifier modules, Optimized Class H™ power supply topology, and microprocessor-controlled fault protection.

The XPA-3 is powered by a high efficiency, audiophile grade, Switch Mode Power Supply (SMPS).

Audio Specifications

The XPA-3 Gen3 features three of our High-Powered Single Channel Modules.  

Audio Specifications (Three High-Powered Single Channel Modules):

Power Output:

• 300 watts RMS/channel; 20 Hz – 20 kHz; THD<0.1%; 8 Ohms; one channel driven

• 550 watts RMS/channel; 20 Hz – 20 kHz; THD<0.2%; 4 Ohms; one channel driven

• 300 watts RMS/channel; THD<0.1%; 8 Ohms; two channels driven

• 490 watts RMS/channel; THD<0.1%; 4 Ohms; two channels driven

• 275 watts RMS/channel; THD<0.1%; 8 Ohms; ALL THREE channels driven

Power Bandwidth (at rated power; 4 Ohm - 8 Ohm load): 20 Hz to 20 kHz (+ / – 0.1 dB)

Broad Band Frequency Response: 5 Hz to 80 kHz +0/-2 dB

THD + noise: < 0.005%; at 100 watts RMS; 1 kHz; 8 Ohms

Signal to Noise Ratio (8 Ohm load):

• > 117 dB; ref FTC rated power; unbalanced input (A-weighted)

• > 91 dB; ref 1 watt; unbalanced input (A-weighted)

Minimum Recommended Load Impedance (per channel): 4 Ohms (one 4 Ohm load or two paralleled 8 Ohm loads).

Damping Factor (8 Ohm load): > 500

Input Sensitivity (for rated power; 8 Ohm load): 1.5 V

Gain: 29 dB

Maximum Power Consumption: 1,400 watts.

Note: The values shown refer to the amount of power the amplifier would consume while playing test tones continuously, on all channels, at full power, into a load bank. Therefore, they are not at all characteristic of what you would expect when playing music or the soundtrack from a movie. Normal audio signals are dynamic, so the amount of power they require from second to second varies widely, and the average is far lower than this. With normal content, even playing very loudly, one of our amplifiers will consume far less power than indicated in the chart, so these values should not be considered a circuit requirement for normal operation. 

Input Impedance:

• 33 kOhms (balanced)

• 23.5 kOhms (unbalanced)

Input And Output Connections

Input Connections (High-Powered Single Channel Modules): Unbalanced (RCA); balanced (XLR); one each per channel, independently selectable.

Input Connections (Stereo Modules):
2 Unbalanced (RCA); 2 balanced (XLR); two per channel, independently selectable.

Speaker Output Connections: Audiophile grade, gold plated, 5-way binding posts.


Trigger Input: 5 – 12 V (AC or DC); <10 mA input current required.

Trigger Output: 12 VDC; can drive any load up to 120 mA.

Power Requirements

Between 100 VAC and 250 VAC @ 50 / 60 Hz (automatically detected).

Front Panel Controls and Indicators

• Standby: push button (halo ring changes color to indicate Standby or On).

Status LEDs: one per channel; blue

• Status LEDs change to red to indicate a fault condition

Rear Panel Controls

AC Power switch: rocker switch (switches AC main power)

Status LEDs switch: disables front panel Status LEDs and dims Standby button halo.

Input selector switches (one per channel): metal toggle switches; select between balanced and unbalanced inputs.

• Circuit Breaker: press button to reset circuit breaker.


The XPA Gen3 is protected against excessive operating temperature, shorted speaker connections, ground faults, and other common fault conditions.



• 17” wide x 8” high x 19” deep (unboxed; including feet)

• 17” wide x 7” high x 19” deep (unboxed; without feet)

• 24-1/2” wide x 12” high x 24-3/4” deep (boxed)


• 39 lbs (unboxed)

• 44 lbs (boxed)


Download Product Manual

Complete Your Audio Solution

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