SMSL PA200 Gallium Nitride (GaN) Power Amplifier with Balanced XLR and PGA2311 Volume Control

Regular price: $3,350.91
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Sale price: $3,350.91

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Product Highlights

Infineon Gallium Nitride (GaN) FET power stage with 1 MHz switching frequency

160W x 2 stereo output into 4 Ohm; 400W bridged mono into 4 Ohm

TI PGA2311 digitally controlled analog volume with ultra-low distortion

Stereo pure amplifier mode for pairing with SMSL D200 DAC and preamp

XLR input mono mode with 4x power boost for high-output applications

Audiophile-grade components with gold-plated input and output sockets

Built-in overheat and overcurrent protection circuitry

High-quality audio-grade switching power supply with sub-0.5W standby

Gallium Nitride Power, Amplified

The SMSL PA200 is a compact yet commanding stereo power amplifier built around cutting-edge Gallium Nitride (GaN) transistor technology. Delivering up to 400W in bridged mono mode with vanishingly low distortion, a fully-balanced XLR input stage, and precision PGA2311 digital volume control, the PA200 drives bookshelf and floorstanding speakers alike with effortless dynamics, deep bass control, and a noise floor so low you will forget the amplifier is even there.

Gallium Nitride: The Next Generation of Power

GaN transistors represent a fundamental leap beyond traditional silicon. They switch faster, run cooler, and waste far less energy as heat. In the PA200, this translates to higher efficiency, lower distortion at all output levels, and a compact chassis that does not need massive heatsinks to stay composed under load. The result is a power amplifier that delivers 400W mono into 4-ohm loads while running quiet, clean, and cool.

Stereo and Bridged Mono Flexibility

In stereo mode, the PA200 delivers ample power for most speaker setups. For those seeking maximum headroom, bridged mono mode unlocks up to 400W into 4 ohms using a single PA200, or deploy a pair in dual-mono configuration for truly authoritative bi-amped control. Switching between modes is straightforward, making the PA200 adaptable to evolving system requirements.

Fully-Balanced XLR Inputs

True balanced XLR inputs reject common-mode noise and ground-loop hum before they enter the signal path, preserving the full dynamic range and stereo separation of your source. Combined with high-quality RCA inputs for single-ended sources, the PA200 integrates cleanly into both professional and consumer audio chains.

PGA2311 Precision Digital Volume Control

Texas Instruments' PGA2311 provides 0.5 dB step precision with near-perfect channel tracking from zero to maximum gain. No scratchy potentiometers, no channel imbalance at low listening levels — just clean, repeatable, digitally-controlled analog volume that preserves signal integrity at any setting.

OLED Display with Real-Time Status

A bright OLED screen on the front panel displays input selection, volume level, and operating mode at a glance. The clean, minimalist interface keeps you informed without distraction, and the display auto-dims to preserve the visual calm of your listening environment.

CNC-Machined Aluminum Chassis

The PA200 is housed in a precision-machined aluminum enclosure that provides excellent EMI shielding, robust structural rigidity, and thermal dissipation. Compact proportions allow it to sit comfortably on a desktop or integrate seamlessly into a full-size audio rack.

Specifications