S.M.S.L PA400 GaN Power Amplifier with Infineon GaN Transistor & TI PGA2311, Stereo/Mono Bridge Mode, Ultra-Low Distortion, Fit for Hi-Fi/Home Theater

$555.00
by S.M.S.L

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Equipped with Infineon's latest GaN transistor (1MHz high switching frequency) and TI's flagship PGA2311 volume chip, it controls volume accurately, restores original music, and has THD+N as low as 0.003% for delicate full-band sound. Supports stereo balanced input (4Ω 250Wrms×2/8Ω 200Wrms×2) and XLR mono bridge mode (8Ω 500Wrms×1); two units work together for doubled power to drive high-demand speakers easily, adapting to different listening needs. The body is made of aircraft-grade aluminum with precision CNC integrated molding, 150-mesh sandblasting + anodizing; side grilles enhance passive heat dissipation, combining anti-impact and mute effects to ensure long-term stable operation. SNR up to 115dB, channel separation 75dB, with new audio-specific switching power supply; built-in overheating and overcurrent protection circuits, standby power <0.5W, balancing sound quality and usage safety. Can be matched with SMSL D400PRO decoder and PL200T CD player to build a flagship audio system, suitable for private Hi-Fi rooms and home theaters, easily meeting large-space acoustic needs and reproducing high-fidelity original sound. Core components empower delicate sound quality:
Equipped with Infineon's latest GaN transistor (1MHz high switching frequency) and TI's flagship PGA2311 volume chip, it controls volume accurately, restores original music, and has THD+N as low as 0.003% for delicate full-band sound.
Dual mode switching+powerful power:
Supports stereo balanced input (4Ω 250Wrms×2/8Ω 200Wrms×2) and XLR mono bridge mode (8Ω 500Wrms×1); two units work together for doubled power to drive high-demand speakers easily, adapting to different listening needs.
Efficient heat dissipation:
The body is made of aircraft-grade aluminum with precision CNC integrated molding, 150-mesh sandblasting + anodizing; side grilles enhance passive heat dissipation, combining anti-impact and mute effects to ensure long-term stable operation.
High specification parameters+multiple protections:
SNR up to 115dB, channel separation 75dB, with new audio-specific switching power supply; built-in overheating and overcurrent protection circuits, standby power <0.5W, balancing sound quality and usage safety.
Multi scenario adaptation+flexible matching:
Can be matched with SMSL D400PRO decoder and PL200T CD player to build a flagship audio system, suitable for private Hi-Fi rooms and home theaters, easily meeting large-space acoustic needs and reproducing high-fidelity original sound.

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