SMSL PA400｜ Other Products

GaN Technology
The SMSL PA400 GaN Power Amplifier ushers in a new era of sound quality with Gallium Nitride (GaN) transistors, the latest in power amplification technology. Engineered with Infineon’s GaN transistors, the PA400 operates at a cutting-edge 1MHz switching frequency, delivering a sound that is both exquisitely detailed and incredibly pure. With PGA2311, the flagship volume control chip from TI, every note is reproduced with uncompromising precision.

Stereo Balanced Input
When paired with a preamp, the SMSL PA400 achieves an incredibly pure and direct sound, rich in detail. Its stereo balanced input provides an optimized, clean signal pathway, ensuring high input impedance and linear response. In this mode, the amplifier works silently in the background, never overshadowing the preamp but amplifying the musical essence with zero distortion or compromise.

XLR Mono Bridge Mode
For demanding systems, the PA400 can be paired in XLR Mono Bridge Mode to significantly boost power output. By combining two units, the amplifier quadruples its power capacity, effortlessly driving even the most power-hungry speakers. This cooperative mode suppresses background noise while enhancing soundstage depth, width, and resolution. Low frequencies extend deeper, midrange vocals are fuller and warmer, and high frequencies become cleaner and more natural. Perfect for both home theaters and high-end Hi-Fi setups.

Aerospace-Grade Aluminum Construction
Crafted from aerospace-grade aluminum alloy, the PA400 is built for durability and optimal heat dissipation. The robust CNC-milled unibody design, paired with passive cooling features, ensures stable operation under high-demand conditions. The 150-grit sandblasted surface not only improves heat resistance but also delivers a sophisticated look and feel with a smooth, refined texture.

Meticulously Crafted Design
Every detail of the SMSL PA400 is a statement of premium craftsmanship. The precision-engineered knobs and the unibody design reflect the commitment to perfection. This amplifier is as much a work of art as it is a piece of advanced technology.

Premium Components for Premium Sound
Inside, the PA400 is powered by high-quality components sourced from the best suppliers worldwide. These premium materials ensure that the amplifier delivers exceptionally low distortion and abundant energy, providing the cleanest, most powerful sound possible. The entire design is focused on delivering unmatched sound fidelity from source to speaker.
Brand:SMSLCategory:AMP & DACSKU:SMSL-PA400Tags:New Arrival, Over $500