{"product_id":"d-a-alpha-pro","title":"D\u0026A Alpha Pro | 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\u003eThe D\u0026amp;A Alpha Pro Seamlessly Integrates Modern and Vintage Aesthetics With Uncompromising Power for the Ultimate Listening Experience\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures ESS ES9039MSPRO Flagship DAC chip\u003c\/li\u003e\n\u003cli\u003e4-Channel fully balanced discrete amplification\u003c\/li\u003e\n\u003cli\u003ePowerful 6000mW + 6000mW output\u003c\/li\u003e\n\u003cli\u003e2nd PLL Clock + 3 Femtosecond Oscillators\u003c\/li\u003e\n\u003cli\u003eComprehensive input\/output ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"D\u0026amp;A Alpha Pro DAC\/Amp features graphic\" height=\"1200\" width=\"2048\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/da-alpha-pro-features.webp?v=1759780663\"\u003e\u003c\/p\u003e\n\u003ch3\u003eFlagship Decoding Engine\u003c\/h3\u003e\n\u003cp\u003eThe Alpha Pro harnesses ESS’s flagship ES9039MSPRO DAC with MQA hardware decoding, HyperStream technology, and fully isolated digital\/analog processing. Its proprietary “Zero-Jitter Clock” and 32-bit noise shaping eliminate jitter, while the “SIGMA DAC” topology, using 8-channel differential signal summation per channel, reduces output impedance by 4× and noise by 75%, delivering an exceptional 133 dB dynamic range and -124 dB THD+N. \u003c\/p\u003e\n\u003ch3\u003eNo Headphone Beyond Reach\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e4C-FBDA Fully Balanced Discrete Amplification\u003c\/strong\u003e\u003cbr\u003eFeaturing 32 discrete transistors across four channels, the 4C-FBDA circuit achieves \u0026lt;0.1 ohms output impedance and 0.0001% THD. Effortlessly driving 16 ohms-600 ohms headphones, it delivers 6000mW + 6000mW at 32 ohms with zero dynamic compression. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePure Preamplifier Function\u003c\/strong\u003e\u003cbr\u003eEquipped with NJU72315 analog volume control, the industry's highest-performance chip, Alpha Pro eliminates micro-detail loss at low volumes while attenuating external noise. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog Input\u003c\/strong\u003e\u003cbr\u003eA groundbreaking analog input circuit supports turntables and tape decks, serving as a standalone preamplifier for 90%+ legacy audio systems. \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"D\u0026amp;A Alpha Pro DAC\/Amp sitting front left 3 quarter angle on grey ledge on grey background\" height=\"1000\" width=\"2048\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/da-alpha-pro-banner.webp?v=1759780800\"\u003e\u003c\/p\u003e\n\u003ch3\u003eConnect Your Way\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLine Input (RCA)\u003c\/strong\u003e\u003cbr\u003eConnect your turntable, CD player, or any analog source using gold-plated terminals for clean, reliable signal transfer. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBluetooth 5.1\u003c\/strong\u003e\u003cbr\u003eStream hi-res audio wirelessly with support for LDAC 24bit\/96kHz, aptX HD, AAC, and SBC powered by the QCC5125 chip. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptical + Coaxial\u003c\/strong\u003e\u003cbr\u003eEnjoy crystal-clear digital audio with precision clock syncing that keeps jitter down to a minimum. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUSB Audio\u003c\/strong\u003e\u003cbr\u003eHook up your computer or streamer for bit-perfect playback. Supports up to PCM 768kHz, DSD512, and full MQA decoding. \u003c\/p\u003e\n\u003ch3\u003ePrecision Engineered Synergy\u003c\/h3\u003e\n\u003cp\u003eDigital and analog modules are physically segregated via 4-layer PCB isolation and independent ground planes. Shielded blocks and star-quad power routing ensure zero crosstalk between DSP processing and DAC conversion. \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"D\u0026amp;A Alpha Pro DAC\/Amp sitting rear view left 3 quarter angle on grey and black background\" height=\"1000\" width=\"2048\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/da-alpha-pro-rear.webp?v=1759781013\"\u003e\u003c\/p\u003e\n\u003ch3\u003eBuilt for Perfect Reproduction\u003c\/h3\u003e\n\u003cp\u003eThree femtosecond-grade oscillators—two for local USB clocks and one VCXO for the second PLL—reduce jitter to 15 ps, delivering sharper imaging, greater detail, and a more natural sound across all inputs. \u003c\/p\u003e\n\u003ch3\u003eMaterial Excellence\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCapacitance\u003c\/strong\u003e\u003cbr\u003ePrecision capacitors suppress harmonic distortion and enhance analytical capabilities. The Alpha Pro implements rigorous capacitor selection, testing materials and capacitance values for each chip\/position to finalize the mass production formula, a critical step in acoustic tuning. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Precision Low-TCR Resistors\u003c\/strong\u003e\u003cbr\u003e‡1% tolerance MELF metal-film resistors ensure circuit reliability across the entire audio path. With ultra-low temperature coefficient of +25ppm\/°C. resistance remains stable under thermal stress, suitable for demanding operating conditions. Such components are typically reserved for laboratory-grade instruments. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower System\u003c\/strong\u003e\u003cbr\u003eDual Mean Well power modules deliver superior instantaneous current output and EMI performance, enhancing soundstage precision. Dual-stage input filtering eliminates 90% mains interference. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGold-Plated Connectors\u003c\/strong\u003e\u003cbr\u003eGold-plated I\/O ports maintain low contact impedance for pristine signal transmission. \u003c\/p\u003e","brand":"D\u0026A","offers":[{"title":"New","offer_id":41809909383243,"sku":"DA-ALPHA-PRO","price":699.0,"currency_code":"USD","in_stock":true},{"title":"Open Box","offer_id":41911276634187,"sku":"DA-ALPHA-PRO-OB","price":589.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/da-0-alpha-pro-thumb.webp?v=1759781354","url":"https:\/\/bloomaudio.mom\/products\/d-a-alpha-pro","provider":"Bloom Audio","version":"1.0","type":"link"}