The SMSL AS400 stands as a high-performance audio centerpiece designed for enthusiasts who demand versatility and power in a compact form factor. At its core, the device utilizes the advanced MA5332MS amplifier chip to deliver a robust 165W per channel, providing ample headroom for demanding speaker setups while maintaining a 2.1 channel configuration with a dedicated subwoofer output. This CrestAmpli AS400 Stereo Power DAC Amplifier With MQA And Phono Stage ensures a clean and efficient signal path by integrating a high-end digital-to-analog converter capable of handling 32-bit/768kHz files. Whether you are driving floor-standing speakers or a sophisticated desktop monitor setup, the unit promises a high-fidelity experience that balances raw power with delicate sonic precision.
Connectivity is a primary highlight of this versatile machine, offering an exhaustive array of inputs including USB, Optical, Coaxial, and I2S for digital sources, alongside RCA and a specialized MM phono stage for vinyl lovers. The inclusion of the CrestAmpli AS400 Stereo Power DAC Amplifier With MQA And Phono Stage allows users to unlock the full potential of MQA and MQA-CD content, providing studio-quality authentication directly to your living room. For those who prefer a more personal listening experience, the front panel features both 6.35mm and 4.4mm balanced headphone outputs, ensuring compatibility with a wide range of premium audiophile gear. Wireless streaming is also supported via high-resolution Bluetooth protocols, making it a truly modern hub for all media types.
The sleek black aesthetic of the chassis reflects a professional build quality that fits seamlessly into any home entertainment rack or office desk. Beyond its external appearance, the internal architecture is optimized to minimize distortion and noise, guaranteeing that the CrestAmpli AS400 Stereo Power DAC Amplifier With MQA And Phono Stage reproduces every nuance of a recording with lifelike accuracy. By combining the functions of a power amplifier, a high-resolution DAC, and a dedicated phono preamp into a single unit, it eliminates the need for multiple bulky components. This streamlined approach makes it an ideal choice for listeners who want to enjoy everything from classic records to the latest lossless digital streams without compromising on audio integrity or power.
FEATURES:
– 165W x 2 output
– 2.1 channel system
– MA5332MS amplifier chip
– MQA and MQA-CD decoding
– Integrated MM phono stage
– 32-Bit 768kHz resolution
– 4.4mm balanced headphone output
– 6.35mm headphone output
– Bluetooth and USB inputs
– Optical and coaxial inputs
– RCA and Phono inputs
The SMSL AS400 is a sophisticated audio solution designed for modern audiophiles who demand versatility and high fidelity in a single chassis. At its core, the device utilizes the advanced MA5332MS amplifier chip which delivers a powerful 165W output per channel in a 2.1 configuration. This setup ensures that your speakers and subwoofer receive clean and ample power for a dynamic listening experience. Whether you are using it for a desktop system or a living room theater, the CrestAmpli AS400 Stereo Power DAC Amplifier With MQA And Phono Stage provides the necessary headroom to drive a wide variety of speakers with precision and clarity.
– High power 165W per channel
– Advanced MA5332MS amplifier chip
– Full MQA and MQA-CD decoding
– Integrated MM phono stage
– Supports 32Bit/768kHz high resolution
– Dual 4.4mm and 6.35mm outputs
– Versatile 2.1 channel speaker support
– Extensive digital and analog inputs
– High quality I2S input included
– Limited to 2.1 channel output
– Phono stage is MM only
– Requires external speakers
– May have high power umption
– Proprietary I2S interface issues
– Lacks built-in streaming apps
– Plastic remote feel
The SMSL AS400 is a versatile 2.1 channel power DAC and amplifier that offers impressive high-resolution performance, featuring 165W per channel via the advanced MA5332MS chip and full MQA-CD decoding capabilities alongside an integrated MM phono stage and dual headphone outputs. While it boasts extensive connectivity options like I2S and 32-bit/768kHz support, potential users should consider its limitations, such as the lack of built-in streaming apps, the MM-only restriction on the phono stage, potential power consumption concerns, and a remote control that may feel less premium than the unit itself. Read more…
Bluetooth Connection and High-Quality Audio Streaming Interface
The image is a promotional graphic for an SMSL audio amplifier, highlighting its Bluetooth connectivity features. In the center, a sleek, silver and black desktop amplifier sits on a wooden desk, equipped with a digital display, a volume knob, and a prominent Bluetooth antenna emitting blue signal waves. Behind the amplifier, a large computer monitor displays a blurred grid of media content, while a pair of white headphones rests to the left and a white coffee cup sits to the right. In the lower-right foreground, a hand holds a smartphone displaying a blue Bluetooth pairing interface with Chinese text. Three bullet points of text on the left side of the image describe the device’s support for high-quality codecs like LDAC, APTX HD, SBC, and AAC, its easy pairing process, and a ‘smart memory’ feature for stable connectivity and seamless switching between different media types.
S.M.S.L. AS400 High Resolution Power Amplifier Interface and Parameter Composition
An educational diagram titled ‘Parameter Composition’ displays the front and rear panels of an S.M.S.L. AS400 high-resolution power amplifier, detailing its various inputs, outputs, and controls. The top section shows the silver front panel featuring a large digital display screen, a central multi-function knob for menu navigation and volume, a remote window, and two headphone outputs�a 4.4mm balanced jack and a 6.35mm jack. The middle section highlights the black rear panel, which is densely packed with connectivity options including Phono and Line RCA inputs, Coaxial and Optical digital inputs, an HDMI (ARC) port, a USB (PRE) input, a Bluetooth antenna, and a dedicated subwoofer pre-amp output. It also identifies the speaker wire terminals for right and left channel outputs, a grounding post, and the AC power input with an integrated power switch. The bottom of the image uses dashed boxes to illustrate compatible source devices such as CD players, turntables, TVs via ARC, PCs, and smartphones, as well as output peripherals like subwoofers and passive speakers.
High-Performance Audio Components Featuring Cirrus Logic, Infineon, and XMOS Chips
The image is a professional promotional graphic divided into three sections, each showcasing a high-end integrated circuit used in audio technology. The top section features the Cirrus Logic CS43131 audio decoding chip set against a blue-lit circuit board, emphasizing its role in providing an immersive listening experience. The bottom left section highlights the Infineon MA5332MS, a Class D power amplifier chip capable of 165W output, depicted with glowing orange circuit traces to suggest power and reliability. The bottom right section displays the XMOS XU-316, a third-generation processor that supports high-resolution audio formats, including PCM up to 32bit/768kHz and DSD up to DSD256. Each panel uses dramatic lighting, sharp focus on the central processor, and sleek typography to convey a sense of modern, high-fidelity engineering.
AS400 Integrated Audio System Overview
This promotional image showcases the AS400, a versatile all-in-one audio device that functions as a DAC, headphone amplifier, and power amplifier. The graphic is divided into several sections, featuring high-quality renders of the unit in different settings and finishes, including silver and black. The top three panels emphasize its triple functionality: acting as a decoder (DAC) for a television setup, a dedicated headphone amplifier on a desk, and a power amplifier for a computer workstation. The device features a minimalist front panel with a central volume knob, a digital display showing input and sample rate information, and two headphone output jacks. A small antenna on the rear suggests wireless connectivity, likely Bluetooth. The bottom section of the image highlights its support for high-resolution MQA and MQA-CD formats, while the sleek, metallic chassis with side ventilation grilles suggests a premium build designed for high-fidelity audio enthusiasts.
S.M.S.L AS400 High Resolution Power Amplifier with Built-in MM Phono Stage
A professional product advertisement features an S.M.S.L AS400 high-resolution power amplifier resting on a light-colored wooden table. The device has a sleek dual-tone design with a black top casing and a silver-brushed front panel that includes a digital display showing ‘USB 48kHz,’ a large metallic volume knob, and two headphone jacks. A zoomed-in circular inset highlights the gold-plated RCA phono inputs on the rear of the unit. In the blurred background, a white vintage-style suitcase turntable with a black vinyl record sits ready for use, complemented by the green leaves of a houseplant. Large, elegant serif text at the top left reads ‘MM Phono Stage,’ followed by a description explaining that the built-in MM phono eliminates the need for external preamps to provide warm, analog richness. The overall lighting is bright and clean, emphasizing a modern yet classic home audio setup.
HDMI ARC Connectivity for AS400 Audio System
The image is a promotional graphic or advertisement for the AS400 audio amplifier, focusing on its HDMI ARC (Audio Return Channel) input capability. At the top, an illustrative living room setup features a flat-screen television mounted on a wall above a long wooden media console. On the console, the silver AS400 unit is positioned centrally between two black bookshelf speakers, while other components are tucked into the shelves below. The middle section contains a block of text explaining that the HDMI ARC functionality allows TV audio to be sent directly to the amplifier, reducing cable clutter for a cleaner setup. To the right, a small boxed icon shows an HDMI plug and notes that the unit comes with an HDMI (ARC) cable. The bottom portion of the graphic uses a simplified schematic with dashed arrows to show the signal flow: audio travels from the TV to the AS400 unit, which then outputs the sound to a pair of black speakers. The overall aesthetic is clean and modern, utilizing a soft-lit 3D render style to emphasize ease of integration and high-fidelity performance.
2.1-Channel Home Theater Amplifier Promotional Graphic
An advertising graphic showcases a 2.1-channel audio amplifier’s capabilities within a modern, dimly lit living room setting. At the top, bold white text reads ‘2.1-Channel Power with Subwoofer Output,’ followed by a sub-header detailing 165W x2 full-range output and a dedicated subwoofer channel. Three hexagonal icons highlight key features: ‘Full-Range Power – 165W x2’, ‘Dedicated Sub Channel – Ready’, and ‘Deep Bass Extension – Enhanced’. Below the text, a large flat-screen television displays an action scene from ‘The Incredibles,’ featuring Mr. Incredible. In the foreground, a family of three�a man, a woman, and a young child�are seated on a blue sofa, viewed from behind as they watch the screen. The room is equipped with two tall tower speakers on either side of the TV and a sleek horizontal amplifier unit centered underneath. Blue soundwave graphics emanate from the speakers and the floor, illustrating an immersive audio experience. The right side of the image shows a backlit shelving unit with decorative items, contributing to the high-end home cinema atmosphere.
Google Search Results for SMSL AS400 Stereo Amplifier
The image shows a Google Image search results page for the ‘SMSL AS400 Stereo Power DAC Amplifier.’ The search bar at the top contains the long product name, and the interface displays various navigation tabs such as ‘AI Mode,’ ‘All,’ ‘Shopping,’ and ‘Images.’ Below the search bar, several filter buttons are visible, including labels for ‘Smsl,’ ‘Subwoofer,’ ‘Headphone output,’ and ‘Amazon.’ The main body of the page is populated with a grid of product images showcasing the sleek, silver and black electronic device. Some images highlight specific features like the ‘MM Phono Stage’ connected to a turntable, the ‘HDMI ARC Input’ for television setups, ‘Bluetooth Input’ capabilities, and the ‘Full-Function Remote Control.’ The listings originate from various retailers, including Amazon and AliExpress, featuring the amplifier in different lifestyle settings and close-up product shots that emphasize its dual-knob interface, digital display, and rear-panel connectivity.
Google Search Results for SMSL AS400 Power Amplifier
The image shows a digital screenshot of a Google search results page. In the search bar at the top, the query ‘CrestAmpli-AS400-Stereo-Power-DAC-Amplifier-With-MQA-And-Phono-S’ is visible, though the results primarily focus on the ‘SMSL AS400’ model. Below the search bar, various navigation filters like ‘Reviews,’ ‘For Sale,’ and ‘Price’ are displayed as rounded buttons. The primary search results include a listing from Amazon.com featuring the SMSL AS400 MA5332MS Power Amplifier with a CS43131 DAC, highlighting its 165W power output and various input options like USB, Coax, Opt, and HDMI ARC. A second result from the official SMSL Audio website describes the device’s built-in low-noise MM vinyl phono amplifier and Bluetooth support for high-quality codecs such as LDAC and APTX/HD. At the bottom, a review link from Headfonia is partially visible. The layout is clean, utilizing the standard white background and blue-linked headers characteristic of the Google search interface.
Google Shopping Search Results for Audio Amplifiers
The image displays a desktop web browser view of a Google Shopping search page, featuring a variety of audio power amplifiers. The search bar at the top contains a long, concatenated string of keywords including ‘CrestAmpliaS400StereoPowerDACAmplifierWithMQAAndPhonoStage’. Below the search bar, the interface is split into a left-hand sidebar for refining results�with filters for item condition, price range, and shipping�and a main grid of product listings. Eight different products are visible, showcasing brands such as Crestron, SMSL, Crunch, Pyle, and Crown. Each listing includes a product thumbnail, a title, a price (some with discounts), and the source website like eBay or AliExpress. The amplifiers vary in design, ranging from professional rack-mount units in black to compact silver consumer models and specialized white marine amplifiers. Ratings stars and shipping information are also interspersed within the product cards, creating a typical e-commerce comparison layout.
A Google Shopping search results page for the SMSL AS400 Stereo Power DAC Amplifier.
The image displays a desktop web browser view of a Google Shopping search results page, featuring various listings for the SMSL AS400 Hi-Res DAC Power Amplifier. The search bar at the top contains the query ‘CrestAmpli-AS400-Stereo-Power-DAC-Amplifier-With-MQA-And-Phono’. On the left side, a sidebar offers options to ‘Refine results’ by price, free shipping, and brand, with ‘SMSL’ and ‘Crunch’ listed as brand checkboxes. The main content area consists of a grid of product cards, each showing a thumbnail image of the sleek, black or silver audio component, often accompanied by its remote control. Most listings indicate a discount, such as ‘5% OFF’ or ‘12% OFF’, with prices hovering around $279.00. The sellers listed include eBay, AliExpress, Alibaba.com, and The HiFi Cat. Product titles emphasize features like ‘165Wx2’, ‘HiFi Decoder’, ‘Built-in MM’, and ‘Bluetooth LDAC’. The overall interface is clean, utilizing a light gray and white color palette typical of Google’s shopping platform.
A screenshot of the YouTube search results page for a stereo power amplifier.
The image shows a web browser displaying a YouTube search results page. The search bar at the top contains the text ‘CrestAmpli-AS400-Stereo-Power-DAC-Amplifier-With-MQA-And-Phono-‘. On the left side of the screen, there is a navigation sidebar with options like ‘Home’, ‘Shorts’, and ‘Subscriptions’. The main content area features two video results. The first is a YouTube Short with a thumbnail of a turntable and the text ‘ALL FOR NOTHING!’ and ‘HUGE MISTAKE’ overlaid. The second video result is titled ‘LOXJIE A40 MQA-CD AMP’ and shows a person’s hand turning a silver knob on a sleek, grey digital amplifier. The video for the LOXJIE A40 is from a channel called ‘HiFi-express’ and has 11K views from two years ago. The overall interface is consistent with the standard YouTube layout, including the red and white logo in the top left corner.
