Description
SMSL PA400 GaN 500W Power Amplifier – Pure Power, Precision Sound
Unleash the full potential of your Hi-Fi system with the SMSL PA400, a next-generation GaN (Gallium Nitride) power amplifier built for audiophiles who demand absolute precision, power, and musicality.
Featuring Infineon’s latest GaN FET, TI’s advanced PGA2311 volume chip, and premium audio-grade components, the PA400 delivers reference-class performance with extraordinary clarity and control.
⚙️ Key Features
⚡ Infineon GaN FET Technology (Up to 1 MHz Switching Frequency)
Equipped with Infineon’s latest GaN FETs, capable of switching up to 1 MHz, the PA400 achieves ultra-fast transient response and delicate, full-band sound far beyond traditional Class D designs.
🎚️ TI PGA2311 High-Precision Volume Control
Utilizes Texas Instruments’ advanced PGA2311 volume chip for fine-step volume adjustment and ultra-low distortion, ensuring perfect channel balance and pure sonic transparency.
🎧 Stereo Pure Amplifier Pass-Through Mode
When paired with a dedicated pre-amplifier, the PA400 operates in stereo pure pass-through mode, producing a more direct, transparent, and natural sound that preserves the original recording’s integrity.
🔀 Mono Mode with XLR Input (for High-Power Systems)
Supports XLR mono input for high-power configuration.
Use two PA400 units to create a stereo system, multiplying output power by up to four times — easily driving high-power, low-sensitivity speakers with authority and precision.
🎵 Audiophile-Grade Components
Constructed with a large number of premium audio-grade parts carefully selected to enhance the subjective listening experience, improving warmth, texture, and musical realism.
🔌 Gold-Plated Input and Output Sockets
Features high-quality gold-plated RCA and speaker terminals for superior conductivity, corrosion resistance, and long-term stability.
🛡️ Comprehensive Protection System
Includes complete overheating, overcurrent, and DC protection circuits, ensuring reliable performance and protecting your amplifier and speakers.
💎 Elegant Aluminum Chassis
CNC-machined all-aluminum body provides excellent heat dissipation, durability, and a sleek, modern aesthetic.
📊 Specifications
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Amplifier Type: GaN (Class D) Power Amplifier
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Output Power: Up to 500 W × 1 @ 4 Ω (Mono) / 250 W × 2 @ 8 Ω (Stereo)
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Switching Frequency: Up to 1 MHz
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THD + N: ≤ 0.003 %
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SNR: ≥ 110 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: Overheating / Overcurrent / DC / Short-Circuit
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Dimensions: Approx. 210 × 201.6 × 47.6 mm
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Weight: ≈ 1.8 kg
📦 What’s Included
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SMSL PA400 GaN Power Amplifier
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Power Cable
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User Manual
🌟 Why Choose the SMSL PA400?
Combining Infineon GaN technology, TI’s precision PGA2311 control, and audiophile-grade construction, the SMSL PA400 offers breathtaking power and transparency in a compact, elegant form.
Whether you run it as a stereo amp or in dual-mono configuration, it brings studio-grade detail, control, and emotion to your music.
SMSL PA400 – Next-Generation GaN Power. Pure Sound Mastery.
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Specifications
- Weight: 200gr
- Usage: Indoor & outdoor
Pros and cons
- Sustainably produced
- Ideal for everyday use