{"product_id":"smsl-d400-mk2-desktop-hi-fi-audio-decoder-ak4499ex-dac","title":"SMSL D400 MK2 Desktop Hi-Fi Audio Decoder AK4499EX DAC","description":"\u003cp\u003eSMSL D400 MK2 Desktop Hi-Fi Audio Decoder | AK4499EX DAC\u003c\/p\u003e\n\u003cp\u003eThe SMSL D400 MK2 is a flagship desktop Hi-Fi DAC built for discerning audiophiles. Featuring AKM’s premium AK4191EQ digital receiver paired with the legendary AK4499EX DAC chip, OCXO ultra-low jitter clock and 3rd-gen XMOS XU316 USB processor, it delivers full MQA \u0026amp; MQA-CD decoding, ultra-low distortion and high-resolution playback. With abundant digital inputs, balanced XLR \/ RCA analog outputs and preamp function, this decoder seamlessly fits into your desktop audio, active speaker and amplifier systems.\u003c\/p\u003e\n\u003cp\u003eAK4191EQ + AK4499EX Flagship AKM DAC Chipset\u003cbr\u003eAdopts AK4191EQ digital processing chip combined with AK4499EX high-performance DAC chip. Optimized analog circuit with 5 premium dual op-amps unlocks the full potential of AKM VELVET SOUND, achieving THD+N as low as 0.00006% (-124dB) for clean, rich and lifelike sound reproduction.\u003c\/p\u003e\n\u003cp\u003eOCXO 10MHz Femtosecond-level Clock \u0026amp; CK-04 Clock Circuit\u003cbr\u003eEquipped with ±5ppb 10MHz OCXO oven-controlled crystal oscillator plus SMSL self-developed CK-04 clock processing circuit. It drastically suppresses clock jitter, eliminates digital noise, preserves delicate micro-details and delivers stable, transparent audio signal.\u003c\/p\u003e\n\u003cp\u003eXMOS XU316 \u0026amp; Full MQA Decoding, High-Res Audio Support\u003cbr\u003e3rd-generation XMOS XU316 asynchronous USB chip supports PCM up to 32bit\/768kHz and Native DSD512. Fully supports MQA and MQA-CD rendering. Multiple digital sources can fully unfold high-resolution lossless music.\u003c\/p\u003e\n\u003cp\u003eRich Input Interfaces + LDAC Bluetooth 5.1\u003cbr\u003eComprehensive digital inputs: USB, Optical, Coaxial, AES\/EBU, HDMI-I2S and Bluetooth. Bluetooth supports LDAC, aptX HD, aptX, AAC \u0026amp; SBC. Easily connect PCs, streamers, phones and other music sources for both wired and wireless Hi-Fi playback.\u003c\/p\u003e\n\u003cp\u003eBalanced XLR \u0026amp; RCA Output with Preamp Function\u003cbr\u003eXLR balanced (5.0Vrms) and RCA single-ended (2.5Vrms) gold-plated outputs. Built-in preamp function lets you directly drive power amplifiers or active speakers without an extra preamplifier. Dynamic Range reaches 132dB (XLR), SNR up to 132dB for outstanding signal purity.\u003c\/p\u003e\n\u003cp\u003eCNC Aluminum Chassis \u0026amp; IPS Color Screen + Remote Control\u003cbr\u003ePrecision CNC-machined aluminum alloy housing provides excellent electromagnetic shielding. Equipped with a full-laminated IPS color display for real-time playback status. Comes with a handy remote control for convenient operation; available in black and silver finish.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_1.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_2.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_3.jpg?v=1791526989\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_4.jpg?v=1791526989\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_5.jpg?v=1791526989\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_6.jpg?v=1791526989\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_7.jpg?v=1791526989\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_8.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_9.jpg?v=1791526989\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_10.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_11.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_12.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_13.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_14.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_15.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_16.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_17.jpg?v=1791526988\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSL_D400_MK2_AK4499EX_DAC_18.jpg?v=1791526988\" alt=\"\"\u003e\u003c\/p\u003e","brand":"S.M.S.L","offers":[{"title":"Black","offer_id":67695435579485,"sku":null,"price":649.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":67695435612253,"sku":null,"price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/2435\/0813\/files\/SMSLD400MK2Hi-FiAudioDecoderAK4499EXDAC_1.jpg?v=1791527141","url":"https:\/\/hifiso.com\/products\/smsl-d400-mk2-desktop-hi-fi-audio-decoder-ak4499ex-dac","provider":"HiFiSO","version":"1.0","type":"link"}