SMSL PA400 GaN Power Amplifier

Pre-order SMSL PA400 GaN Power Amplifier High-Quality Audiophile Components with PGA2311 Flagship Volume Chip

Note:

-This product is in Pre-order period. Pre-orders are provided for items that have not reached us and will take some time to be shipped out.

-Pre-orderperiod:  Processing time is about 2 weeks. Excluding holidays and weekends. Please extend the processing time after purchase, thank you for your understanding!

-All orders to be shipped out sequentially.

Selling Points

Gallium Nitride (GaN) Transistors

PGA2311 Flagship Volume Chip

Stereo Balanced Input

XLR Mono Bridge Mode

Aerospace-Grade Aluminum Alloy Construction

High-Quality Audiophile Components

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.

Specifications:

Input: Balanced(XLR)/Line in(RCA)/mono(XLR)

THD+N: 0.003%

SNR: 115dB

Channel Separation: 75dB

Input Sensitivity (Stereo): 0.96Vrms/22kΩ (RCA)

Input Sensitivity (XLR): 2.1Vrms/22kΩ

Output Power

Mono (XLR, 8Ω): 500Wrms x1

Stereo (XLR, 4Ω): 250Wrms x2

Stereo (XLR, 8Ω): 200Wrms x2

Standby Power: <0.5W

Power Consumption: 40W (Normal Volume)

Dimensions: 254x47.7x242mm (WxHxD)

Weight: 2.58kg (5.69lbs)

Meta Description

The SMSL PA400 GaN Power Amplifier offers unparalleled sound quality with Gallium Nitride transistors. It features PGA2311 volume control, XLR mono bridge mode, and aerospace-grade aluminum construction. Perfect for high-end audio setups and home theater systems.