Description
SMSL PA-X – High-Power GaN Audiophile Amplifier with Ultra-Low Distortion
Experience the next generation of Hi-Fi amplification with the SMSL PA-X, a cutting-edge GaN (Gallium Nitride) power amplifier designed for uncompromising sound quality.
Using Infineon’s latest GaN FET technology and TI’s premium volume control chip, the PA-X delivers extraordinary detail, powerful dynamics, and lifelike musical precision — all in a sleek, compact design.
⚙️ Key Features
⚡ Infineon’s Latest GaN FET Technology (Up to 1 MHz Switching Frequency)
Equipped with Infineon’s advanced GaN FETs, the PA-X achieves switching speeds up to 1 MHz, making the full-band sound smoother, more delicate, and highly dynamic.
🎚️ TI PGA2311 High-Precision Volume Control
Adopts Texas Instruments’ advanced volume chip (PGA2311) with fine step adjustment and ultra-low distortion, ensuring precise channel balance and crystal-clear sound control.
🎧 Stereo Pure Amplifier Pass-Through Mode
Operate in Stereo Pure Mode and pair the PA-X with a dedicated pre-amplifier for a more direct, transparent, and natural sound—ideal for high-end two-channel systems.
🔀 Mono Mode with XLR Input (High Power Configuration)
Supports XLR mono input mode.
Use two PA-X units to form a stereo system, increasing total output power by up to four times, effortlessly driving high-power or low-sensitivity speakers with precision and control.
🎵 Audiophile-Grade Components
Built with a large number of carefully selected audio-grade parts to enhance the subjective listening experience, improving tonal balance and overall musical realism.
🔌 Gold-Plated Connectors
Features high-quality gold-plated input and output sockets that provide excellent conductivity, resistance to corrosion, and long-term durability.
🛡️ Comprehensive Protection System
Includes complete overheating, overcurrent, and short-circuit protection circuits—ensuring reliable operation and safety for both your amplifier and speakers.
💎 Precision Aluminum Alloy Chassis
The CNC-machined aluminum body not only looks elegant but also provides excellent heat dissipation and mechanical stability.
📊 Specifications
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Amplifier Type: GaN Class D Power Amplifier
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Switching Frequency: Up to 1 MHz
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Output Power: 160 W × 2 @ 4 Ω / 85 W × 2 @ 8 Ω (Stereo)
400 W × 1 @ 4 Ω / 250 W × 1 @ 8 Ω (Mono) -
THD + N: ≤ 0.003%
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SNR: ≥ 109 dB
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Inputs: RCA (Stereo), XLR (Mono)
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Outputs: Speaker Binding Posts (L/R or Mono)
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Protection: Overcurrent / Overheating / Short-Circuit
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Dimensions: 210 × 201.6 × 47.6 mm
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Weight: ≈ 1.6 kg
📦 What’s Included
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SMSL PA-X Power Amplifier
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Power Cable
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User Manual
🌟 Why Choose the SMSL PA-X?
The SMSL PA-X combines Infineon’s latest GaN power stage, TI’s audiophile-grade control chip, and premium construction to achieve pure, powerful, and distortion-free sound.
Whether used as a standalone stereo amplifier or in a dual-mono high-power setup, the PA-X brings reference-grade performance to any Hi-Fi system.
SMSL PA-X – Precision Power. Pure Sound. Perfect Control.
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Specifications
- Weight: 200gr
- Usage: Indoor & outdoor
Pros and cons
- Sustainably produced
- Ideal for everyday use