Free shipping in Canada!

The PS Audio Stellar S300 Power Amplifier delivers exceptional audio performance with a focus on clarity and precision. This stereo amplifier provides 150 watts per channel into 8 ohms, ensuring a dynamic and detailed sound experience. Designed to meet the demands of audiophiles, the Stellar S300 combines high-end components with advanced technology to offer rich, transparent sound, making it an excellent choice for critical listening in any high-fidelity audio system.

Key Features

  • 150W per Channel (8 Ohms): Offers ample power to drive speakers with ease, delivering dynamic sound and detailed output.
  • Balanced & Unbalanced Inputs: Provides both XLR and RCA inputs for flexibility in system integration.
  • Class D Amplification: Delivers efficient, clean, and distortion-free audio with Class D technology for high output power.
  • Advanced Circuitry: Incorporates high-quality components and engineering for superior sound quality and reliability.
  • Low Distortion & High Transparency: Designed to minimize distortion and provide clear, accurate sound reproduction across the frequency range.
  • Compact Design: Space-saving form factor that fits easily into any audio setup without compromising performance.
  • PS Audio Build Quality: Built with attention to detail and durability, offering a long-lasting and high-performing amplifier.

Why Buy

The Stellar S300 is the perfect choice for audiophiles seeking high power, low distortion, and exceptional sound transparency in their stereo system.

  • Power & Clarity: With 150 watts per channel, it delivers ample power and clarity for even demanding speakers.
  • Versatile Inputs: Balanced and unbalanced inputs allow easy integration into both professional and home audio systems.
  • Efficient & Clean Audio: Class D amplification ensures high efficiency without sacrificing audio quality.

Product Specifications

PS Audio Stellar S300 Power Amplifier Specifications
Product Type Stereo Power Amplifier
Brand PS Audio
Model Stellar S300
Finish Black
Amplifier
Power Output (per channel) 300W @ 4Ω, 150W @ 8Ω
Amplifier Class Class D
Channel Configuration Stereo (2 Channels)
Input Stage Fully Differential Input
Output Devices High-Current MOSFETs
Frequency Response 20 Hz – 20 kHz (+0, -0.1 dB)
Total Harmonic Distortion (THD) <0.05%
Signal-to-Noise Ratio (SNR) >115 dB
Damping Factor >200
Inputs & Outputs
Analog Inputs 1 x Stereo RCA, 1 x Stereo XLR
Speaker Outputs 2 x Pairs of Binding Posts
Trigger Input 1 x 12V Trigger Input
Trigger Output 1 x 12V Trigger Output
Control & Integration
Power On/Off Options Manual, Trigger, Signal Sensing, Always On
Protection Features Overload, Overheating, Short Circuit
Design & Build
Chassis Aluminum Front Panel with Steel Enclosure
Dimensions (W x H x D) 17 x 3.5 x 13.5 inches (43.2 x 8.9 x 34.3 cm)
Weight 15 lbs (6.8 kg)
Color Options Black
Power
Power Requirements 100–120V / 220–240V AC, 50/60 Hz (Factory Configured)
Power Consumption Standby: <1W; Idle: 30W; Maximum: 400W
Additional Information
Included Accessories Power Cord, User Manual
Country of Manufacture USA

PS Audio Stellar S300 Power Amplifier FAQs

What is the power output of the PS Audio Stellar S300 amplifier?

The PS Audio Stellar S300 amplifier delivers 150 watts per channel into 8 ohms and 300 watts per channel into 4 ohms, providing ample power for most speakers and listening environments.

What is the design of the PS Audio Stellar S300 amplifier?

The PS Audio Stellar S300 amplifier features a hybrid design, combining a proprietary, fully differential, zero-feedback, discrete Class A MOSFET input stage, known as the "Analog Cell," with an ultra-linear, high-current Class D ICE module for the output stage.

What is the build quality of the PS Audio Stellar S300 amplifier?

The PS Audio Stellar S300 amplifier offers balanced XLR and unbalanced RCA inputs, allowing compatibility with a wide range of preamplifiers and audio sources.

What are the connectivity options of the PS Audio Stellar S300 amplifier?

The PS Audio Stellar S300 amplifier offers balanced XLR and unbalanced RCA inputs, allowing compatibility with a wide range of preamplifiers and audio sources.