{"product_id":"d-a-alpha","title":"D\u0026A Alpha | Desktop DAC and Amp","description":"\u003cp\u003e\u003cimg alt=\"D\u0026amp;A logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/d-a-logo.webp?v=1759778081\" style=\"display: block; margin-left: auto; margin-right: auto; width: 50%;\"\u003e\u003c\/p\u003e\n\u003ch4\u003eAlpha Combines High-Quality Conversion and Amplification in One Unit Aimed at Enhancing Computers, Streamers, and Digital Transports\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDual ES9039Q2M DACs with SIGMA DAC topology\u003c\/li\u003e\n\u003cli\u003eBalanced discrete amplification\u003c\/li\u003e\n\u003cli\u003eDecoding up to 768kHz\/32-bit PCM and native DSD512\u003c\/li\u003e\n\u003cli\u003eClean, refined chassis with precision capacitors, MELF resistors, and isolated power domains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/da-alpha-banner_bdea4baa-f636-41dc-8f00-0f7abf386e72.webp?v=1771531954\" width=\"2048\" height=\"1360\" alt=\"D\u0026amp;A Alpha DAC and amp sitting on wooden desk with Moondrop Skyland headphones leaning on right side\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"bloom-take\"\u003e\n\u003ctable bgcolor=\"”#f6f6f6”\" width=\"90%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"color: #a30e0b;\"\u003e\u003cstrong\u003eBloom's Take\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Alpha proves that standout performance doesn’t have to come with a flagship price tag, delivering a crystal clear, highly detailed presentation that leans reference without losing its musicality. Its output is impressively linear, with deep, tight bass, a natural and well-layered midrange, and clear, extended treble that maintains a lifelike sense of timbre and space across your music.\u003c\/p\u003e\n\u003cp\u003eAlpha’s combination of detail, resolution, and weight creates a sound that feels far more definitive than you’d expect at this price, offering a larger soundstage and a more organic tonal character than many competing DAC\/amps in its class. With enough power to handle everything from IEMs to demanding headphones, it’s a simple, transparent desktop solution that prioritizes pure sonic performance over feature overload.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/bloomaudio.mom\/blogs\/articles\/leader-of-the-dac-d-a-alpha-review\" title=\"D\u0026amp;A Alpha Review\"\u003eRead our full review\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/L3giGwll4_Q?si=hD9d9ifXNurVWk7f\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eD\u0026amp;A Alpha\u003c\/h3\u003e\n\u003cp\u003eThe Alpha’s decoding stage is built around dual ESS ES9039Q2M DAC chips configured in a true balanced architecture, with each channel handled independently to reduce crosstalk and preserve channel separation. This dual-DAC layout feeds a multi-channel summation stage designed to lower noise and improve linearity before the signal reaches the analog section. On the digital side, USB decoding supports up to 768kHz\/32-bit PCM and native DSD512, while optical and coaxial inputs support up to 192kHz\/24-bit and DoP64. \u003c\/p\u003e\n\u003ch3\u003eSignal Integrity\u003c\/h3\u003e\n\u003cp\u003eThe Alpha uses a four-layer PCB that routes critical signals on protected inner layers, with grounded outer layers helping shield interference. The layout separates digital control, high-speed data, analog audio, and power into distinct domains (with independent ground planes and star power routing) to reduce noise transfer between sections. For timing-critical paths, ±5ps delay control improves phase matching across four differential pairs.\u003c\/p\u003e\n\u003ch3\u003eDiscrete Power Delivery\u003c\/h3\u003e\n\u003cp\u003ePower is handled by dual independent Mean Well modules, one dedicated to the DAC section and one to the headphone amp section, followed by purification and discrete component regulation. This keeps rails stable under load so dynamics stay intact when you switch from sensitive IEMs to harder-to-drive headphones.\u003c\/p\u003e\n\u003ch3\u003eBluetooth 5.3\u003c\/h3\u003e\n\u003cp\u003eFor wireless listening, the Alpha includes Bluetooth 5.3 with codec support that includes LDAC, aptX, aptX HD, AAC, and SBC. A concealed large-diameter helical antenna is designed to improve effective reception area while keeping the rear panel clean. \u003c\/p\u003e\n\u003ch3\u003ePower and Gain Matching\u003c\/h3\u003e\n\u003cp\u003eThe Alpha provides multiple gain selections to make volume control usable across different headphones. Balanced gain steps are listed as -3.3dB (L), +6dB (M), +12dB (H), with unbalanced gain steps listed as -9.3dB (L), 0dB (M), +6dB (H). Output power scales by load (up to 9000mW ×2 at 32Ω from the balanced output) so you can keep headroom without riding the top of the volume range.\u003c\/p\u003e","brand":"D\u0026A","offers":[{"title":"New","offer_id":42074595065931,"sku":"DA-ALPHA","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Open Box","offer_id":42167124230219,"sku":"DA-ALPHA-OB","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/da-alpha-thumb-two.webp?v=1769184931","url":"https:\/\/bloomaudio.mom\/products\/d-a-alpha","provider":"Bloom Audio","version":"1.0","type":"link"}