{"product_id":"smsl-ao300-pro-dac-amplifier","title":"SMSL AO300 PRO CS43131 All-in-One DAC \u0026 Amplifier | HDMI eARC | 165W x 2","description":"\u003cp\u003e\u003cstrong\u003eAll-in-One DAC, Headphone Amplifier, and 165W Class D Power Amplifier with MQA\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe SMSL AO300 PRO is a versatile all-in-one audio solution that combines high-resolution DAC decoding, dedicated headphone amplification with 4.4mm balanced and 6.35mm single-ended outputs, and a powerful 165-watt-per-channel Class D speaker amplifier in a single compact chassis. Built around the Cirrus Logic CS43131 decoding chip and XMOS XU-316 USB processor supporting PCM 32-bit\/768kHz, DSD256, and full MQA decoding, paired with the Infineon MA5332MS amplifier module achieving THD+N as low as 0.003%, and featuring HDMI eARC with CEC, Bluetooth 5.3, USB, optical, coaxial, and RCA inputs, the AO300 PRO delivers the complete foundation for a modern high-fidelity audio system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCirrus Logic CS43131 Premium DAC with XMOS XU-316\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CS43131 is a high-performance 32-bit decoding chip from Cirrus Logic, engineered for detailed and natural sound reproduction with ultra-low power consumption. Paired with the XMOS XU-316 USB processor, the AO300 PRO supports PCM up to 32-bit\/768kHz, native DSD256, and full MQA decoding for bit-perfect playback of high-resolution audio files and lossless streaming content across all major formats.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFull MQA Decoding for Studio-Quality Sound\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AO300 PRO supports full MQA (Master Quality Authenticated) decoding through the USB input, allowing listeners to experience master-quality audio with the finest detail and fidelity as the artist intended in the studio. MQA-CD decoding is also supported via the optical and coaxial inputs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInfineon MA5332MS Class D Amplifier with 165W x 2 Output\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Infineon MA5332MS Class D amplifier module provides robust and efficient power delivery, capable of driving mid-to-high-end bookshelf and floorstanding speakers with authority. Achieving THD+N as low as 0.003% with an SNR of 107dB, the AO300 PRO delivers exceptionally clean, transparent amplification with wide dynamic range and minimal coloration. A dedicated subwoofer output supports 2.1-channel configurations for enhanced low-frequency performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHDMI eARC with CEC for Television and Gaming Audio\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAn integrated HDMI eARC (Enhanced Audio Return Channel) input extracts high-resolution digital audio directly from compatible televisions and gaming consoles, with CEC support for synchronized TV power and volume control. The HDMI input supports PCM up to 24-bit\/192kHz for immersive cinematic sound.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDedicated Headphone Amplifier with 4.4mm Balanced and 6.35mm Outputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBeyond speaker amplification, the AO300 PRO features a high-quality dedicated headphone output stage equipped with both 4.4mm balanced and 6.35mm single-ended headphone jacks, accommodating a wide range of headphones and in-ear monitors for detailed, private listening sessions with excellent channel separation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBluetooth 5.3 and Comprehensive Connectivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBluetooth 5.3 with LDAC, aptX HD, AAC, and SBC codecs provides high-resolution wireless streaming from smartphones and tablets. USB-C, optical, coaxial, HDMI eARC, and RCA inputs offer seamless wired compatibility with computers, televisions, CD players, turntables, and gaming consoles. Gold-plated connectors and a full-function remote control ensure reliable signal transfer and convenient operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSound Customization with EQ Modes and Digital Filters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEight built-in EQ presets (Direct, Tone, SDB, Bass, Super Bass, Rock, Soft, Clear) and five digital filter modes (Fast Low-latency, Fast Phase-compensated, Slow Low-latency, Slow Phase-compensated, NOS) allow precise tailoring of the sound signature to personal preference and listening environment. Independent bass and treble adjustment ranges from -9dB to +9dB.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC Chip:\u003c\/strong\u003e Cirrus Logic CS43131\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB Processor:\u003c\/strong\u003e XMOS XU-316\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier Module:\u003c\/strong\u003e Infineon MA5332MS Class D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e 165W x 2 @ 4 Ohm \/ 85W x 2 @ 8 Ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N:\u003c\/strong\u003e 0.003%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSNR:\u003c\/strong\u003e 107dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Separation:\u003c\/strong\u003e 98dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCM Support (USB):\u003c\/strong\u003e Up to 32-bit\/768kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSD Support (USB):\u003c\/strong\u003e Native DSD256 (up to 11.2896MHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCM (Optical\/Coaxial\/HDMI eARC):\u003c\/strong\u003e Up to 24-bit\/192kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMQA:\u003c\/strong\u003e Full Decoder (USB) \/ MQA-CD (Optical\/Coaxial)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth:\u003c\/strong\u003e 5.3 (LDAC, aptX HD, AAC, SBC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone Outputs:\u003c\/strong\u003e 4.4mm Balanced \/ 6.35mm Single-Ended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e HDMI eARC \/ USB-C \/ Bluetooth \/ Optical \/ Coaxial \/ RCA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e Speaker Binding Posts \/ Subwoofer Out \/ Headphone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEQ Modes:\u003c\/strong\u003e 8 Presets (Direct, Tone, SDB, Bass, Super Bass, Rock, Soft, Clear)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Filters:\u003c\/strong\u003e 5 Modes (Fast\/Slow Low-latency, Fast\/Slow Phase-compensated, NOS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 219 x 42 x 185 mm (W x H x D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 1.5 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Control:\u003c\/strong\u003e Full-Function Infrared Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSMSL AO300 PRO DAC and Amplifier\u003c\/li\u003e\n\u003cli\u003eRemote Control\u003c\/li\u003e\n\u003cli\u003ePower Cable\u003c\/li\u003e\n\u003cli\u003eUSB Cable\u003c\/li\u003e\n\u003cli\u003eHDMI Cable\u003c\/li\u003e\n\u003cli\u003eBluetooth Antenna\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-hero-overview-dac-amplifier.jpg?v=1786355610\" alt=\"SMSL AO300 PRO All-in-One DAC and Amplifier Overview\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-compact-chassis-all-in-one-design.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Compact All-in-One Chassis Design\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-front-panel-display-controls.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Front Panel Display and Controls\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-key-features-highlights-overview.jpg?v=1786355610\" alt=\"SMSL AO300 PRO Key Features and Highlights\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-cs43131-dac-chip-architecture.jpg?v=1786355610\" alt=\"SMSL AO300 PRO CS43131 DAC Chip Architecture\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-pcm-dsd-highres-audio-formats.jpg?v=1786355609\" alt=\"SMSL AO300 PRO PCM 768kHz and DSD256 Audio Formats\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-ma5332ms-class-d-amplifier-165w.jpg?v=1786355609\" alt=\"SMSL AO300 PRO MA5332MS Class D 165W Amplifier\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-hdmi-earc-tv-gaming-input.jpg?v=1786355610\" alt=\"SMSL AO300 PRO HDMI eARC for TV and Gaming\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-headphone-4-4mm-6-35mm-outputs.jpg?v=1786355609\" alt=\"SMSL AO300 PRO 4.4mm Balanced and 6.35mm Headphone Outputs\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-bluetooth-optical-coaxial-inputs.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Bluetooth Optical and Coaxial Inputs\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-input-output-connection-diagram.jpg?v=1786355610\" alt=\"SMSL AO300 PRO Input and Output Connection Diagram\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-rear-panel-port-layout.jpg?v=1786355610\" alt=\"SMSL AO300 PRO Rear Panel Port Layout\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-rca-speaker-binding-posts.jpg?v=1786355610\" alt=\"SMSL AO300 PRO RCA Inputs and Speaker Binding Posts\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-usb-digital-input-connection.jpg?v=1786355609\" alt=\"SMSL AO300 PRO USB Digital Input Connection\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-internal-power-supply-design.jpg?v=1786355610\" alt=\"SMSL AO300 PRO Internal Power Supply Design\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-technical-specifications-chart.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Technical Specifications Chart\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-detailed-specifications-data.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Detailed Specifications Data\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-audio-performance-measurement-graphs.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Audio Performance Measurement Graphs\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-frequency-response-curve-chart.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Frequency Response Curve Chart\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-thd-n-distortion-measurement.jpg?v=1786355609\" alt=\"SMSL AO300 PRO THD+N Distortion Measurement\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-product-comparison-table-chart.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Product Comparison Table Chart\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-physical-dimensions-weight.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Physical Dimensions and Weight\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-desktop-placement-setup-guide.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Desktop Placement and Setup Guide\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-system-connection-wiring-diagram.jpg?v=1786355610\" alt=\"SMSL AO300 PRO System Connection and Wiring Diagram\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-step-by-step-installation-guide.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Step-by-Step Installation Guide\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-package-contents-whats-included.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Package Contents and What's Included\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-full-function-remote-control.jpg?v=1786355609\" alt=\"SMSL AO300 PRO Full-Function Remote Control\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-warranty-after-sales-support.jpg?v=1786355610\" alt=\"SMSL AO300 PRO Warranty and After-Sales Support\"\u003e\u003c\/p\u003e","brand":"SMSL","offers":[{"title":"Black","offer_id":48765196665024,"sku":"SMSL-AO300-PRO-BK","price":2231.27,"currency_code":"HKD","in_stock":true},{"title":"Silver","offer_id":48767062278336,"sku":"SMSL-AO300-PRO-SL","price":2231.27,"currency_code":"HKD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/smsl-ao300pro-dac-amp-front-view.webp?v=1786350780","url":"https:\/\/hifichic.com\/products\/smsl-ao300-pro-dac-amplifier","provider":"HIFICHIC","version":"1.0","type":"link"}