Yamaha Yamaha PX3 Power Amplifier – 2x300W at 8Ω, Class-D, DSP Processing, Lightweight Rackmount Design

 

Yamaha PX3 Power Amplifier – Compact, Powerful, and Intelligently Designed

Professional-Grade Sound with Intelligent DSP Control

The Yamaha PX3 Power Amplifier is part of Yamaha’s PX Series, designed to meet the demanding needs of live sound professionals, venue installations, DJs, and touring musicians. This advanced Class-D power amplifier blends reliability, efficiency, and DSP-driven flexibility into a lightweight yet robust chassis. With precise signal control, powerful output, and intuitive operation, the PX3 is an excellent choice for anyone seeking high-performance amplification in a compact, 2U rackmount design.

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Key Features of the Yamaha PX3 Power Amplifier

Class-D Efficiency with Outstanding Power

At the heart of the Yamaha PX3 is an efficient Class-D amplifier module, engineered for high output with minimal power consumption and heat generation. This technology delivers clean, stable power under heavy loads without sacrificing audio fidelity or dynamic headroom.

• Stereo Mode Output:

  • 300 watts x 2 at 8 ohms

  • 500 watts x 2 at 4 ohms

  • 300 watts x 2 at 2 ohms

• Bridge Mode Output:

  • 600 watts at 8 ohms

  • 1000 watts at 4 ohms

With flexibility to drive both standard and low-impedance speaker setups, the PX3 is suitable for full-range cabinets, monitors, or subwoofers in small to mid-sized applications.

Built-In DSP with Configurable Presets

What sets the Yamaha PX3 apart is its onboard DSP (Digital Signal Processing), providing sophisticated control over your audio without the need for external processors. The intuitive LCD display and navigation dial allow for quick access to powerful features, including:

• D-CONTOUR Multiband Compressor for optimized sound in different performance environments (FOH or Monitor mode)

• 6-band Parametric EQ for detailed tonal shaping

• Crossover Functions with LPF and HPF for bi-amp or subwoofer integration

• Speaker Delay Adjustment up to 74ms

• Limiter Functions to prevent system overload

• Preset Storage with up to 8 user-definable configurations

These features provide maximum control over your audio chain, helping you achieve consistent, professional-quality sound across various venues and speaker configurations.

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Connectivity Options for Seamless Integration

The Yamaha PX3 offers a versatile array of input and output connections to integrate easily into any sound system:

• Inputs:

  • 2 x XLR (balanced)

  • 2 x 1/4″ TRS (balanced)

• Outputs:

  • 2 x SpeakON NL4 connectors

  • 2 pairs of binding post terminals

  • 2 x 1/4″ TS jacks

A built-in USB port allows users to save and load presets, update firmware, and manage system settings quickly and conveniently.

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Compact and Road-Ready Design

Despite its professional capabilities, the PX3 is surprisingly lightweight, weighing only 6.9 kg (15.2 lbs), making it ideal for mobile setups. The amplifier fits easily into any standard 2U rack space, with dimensions of 480 x 88 x 388 mm. Its rugged steel chassis and efficient front-to-rear airflow cooling system are built for reliable operation in demanding live environments.

Two variable-speed cooling fans adjust based on temperature and usage, ensuring the unit stays cool without introducing unnecessary noise—a major plus for studio and theater installations.

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Advanced Protection and Intelligent Power Management

Reliability is critical in any audio setup, and Yamaha has equipped the PX3 with multiple protection circuits to ensure stable operation even under extreme conditions:

• Overcurrent protection

• Thermal protection

• DC fault protection

• Output short protection

• Intelligent power limit and mute circuits

These safety features help extend the life of both the amplifier and connected speakers while preventing damage during operation.

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Flexible Control Modes

The Yamaha PX3 features two main control modes tailored to different users:

• Basic Mode – Ideal for users looking for a quick, hassle-free setup. Select input routing, load presets, and set amplifier levels in seconds.

• Advanced Mode – Unlocks full control over EQ, crossover points, delay times, limiter settings, and more for experienced engineers and technicians.

Additionally, Yamaha’s Config Wizard simplifies the setup process, guiding users through input configuration, speaker selection (including Yamaha’s Club, VXS, CBR series), and DSP presets.

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Real-World Applications

The Yamaha PX3 is built for versatility and can be used in a wide range of applications:

• Live Sound Reinforcement – Power front-of-house speakers or monitor wedges with reliability and control.

• Permanent Installations – Ideal for churches, theaters, schools, and corporate spaces due to its rack-mountable form factor and low maintenance.

• Mobile DJ and Event Systems – Lightweight, rugged, and easy to set up, perfect for professionals on the move.

• Rehearsal Studios and Small Venues – Clean, detailed sound reproduction for performers and audiences alike.

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Summary of Specifications

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Why Choose the Yamaha PX3 Power Amplifier?

• Pro-Grade Sound Quality – Clean and detailed output, even at high volumes

• Integrated DSP – Streamline your system with built-in signal processing

• Lightweight and Portable – Easy to transport without sacrificing performance

• Advanced Protection – Reliable operation under real-world conditions

• Flexible Connectivity – Suitable for a wide range of speaker systems

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Final Thoughts

The Yamaha PX3 Power Amplifier stands out as a compact, high-powered, and intelligent amplification solution. Whether you’re powering full-range PA speakers, floor monitors, or subwoofers, the PX3 adapts to your needs with precision and efficiency. Its blend of Class-D power, versatile DSP, and rugged reliability makes it an exceptional choice for both live sound professionals and fixed installations.

If you’re seeking a dependable and flexible amplifier that delivers consistent, high-fidelity performance across a wide range of applications, the Yamaha PX3 is a smart and future-proof investment.

Explore the Yamaha Collection at Lux Audio