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The SMSL PA40 is a compact yet powerful Class D stereo amplifier designed for audiophiles and Hi-Fi enthusiasts seeking high-efficiency performance in a minimalist form factor. Equipped with high-end components from Infineon and JRC, the PA40 offers clear, low-distortion sound, precise volume control, and extensive customization options - all housed in a durable, sleek aluminum chassis.
The SMSL PA40 integrates advanced engineering with elegant design to meet the demands of both casual listeners and serious audio enthusiasts. At its core, the PA40 uses the Infineon MA5332 amplifier chip, delivering a robust 165W per channel into 4Ω loads, or 85W per channel into 8Ω. This high-efficiency architecture ensures low heat output and minimal power consumption (only 40W at normal volume), making it ideal for desktop or compact Hi-Fi setups. Volume and tone control are handled by the NJU7391A electronic chip from JRC (Japan), which guarantees accurate adjustments with exceptionally low noise and distortion levels. The amplifier supports high and low gain settings for optimal compatibility with various audio sources, alongside built-in EQ presets such as Rock, Soft, Bass, and Super Bass modes. Users can also manually adjust bass and treble (-7 to +7 range) or bypass EQ for a flat response.
Connectivity is straightforward with gold-plated RCA inputs and speaker terminals, and the unit includes a remote control for easy access to all functions. The PA40 also features multiple protection circuits to safeguard against overheating and overcurrent scenarios. With a footprint of just 191.6 x 41.6 x 185 mm and weighing 1.26 kg, the SMSL PA40 offers serious amplification power in a clean, compact package-making it a strong contender for high-performance stereo applications in space-constrained environments.
The SMSL R1 is a compact, high-performance gaming DAC and headphone amplifier designed to elevate your audio experience. With cutting-edge decoding capabilities, dynamic RGB lighting, and versatile connectivity options, the R1 is tailored for gamers, streamers, and audiophiles seeking premium sound in a stylish form factor.
The SMSL R1 is equipped with the high-performance ESS ES9018K2M DAC chip, delivering clear, detailed, and dynamic audio tailored for high-resolution gaming and music playback. The XMOS XU316 USB processor ensures ultra-low latency and wide format support, including PCM up to 32-bit/768kHz and native DSD512.
With a built-in headphone amplifier supporting both single-ended 3.5mm and balanced 4.4mm outputs, the R1 easily drives a variety of headphones with power and precision. Its modern design includes customizable RGB ambient lighting to enhance your desktop setup visually.
The R1 offers wide compatibility via USB-C input and can be used with PCs, smartphones, tablets, gaming consoles (including PS5 and Switch), and more. Its compact size and plug-and-play functionality make it an ideal upgrade for gamers and audiophiles alike, while its precision engineering ensures reliability and performance. SMSL emphasizes safety and long-term use with a durable chassis and thermal-conscious design, as outlined in the provided manual.
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