{"product_id":"gustard-x30-4xes9039spro-streamer-digital-to-analog-convertor-dac","title":"GUSTARD X30 4xES9039SPRO Streamer Digital to Analog Convertor (DAC)","description":"\u003ch1\u003e\n \u003cstrong\u003eQuad-DAC desktop streamer, DAC, and preamp\u003c\/strong\u003e\u003cbr\u003e\n \u003c\/h1\u003e\n \u003cp\u003eThe Gustard X30 is a flagship DAC and network streamer built for uncompromising sound quality and modern flexibility. Featuring four ES9039S Pro DAC chips, a discrete Class‑A analog stage, FPGA-based control, and an integrated preamp with relay R2R volume, it delivers precise, natural, and spacious audio. With Roon, AirPlay, UPnP, and Spotify streaming over Ethernet, plus fixed balanced and single‑ended outputs, the X30 serves as a refined centerpiece for high-end digital and analog systems alike.\u003c\/p\u003e\n \u003ch2\u003e\n \u003cstrong\u003eQuad ES9039S Pro DAC Chips\u003c\/strong\u003e\u003cbr\u003e\n \u003c\/h2\u003e\n \u003cp\u003eEach stereo channel is driven by two ES9039S Pro chips with independent power and grounding, maintaining strict channel separation. This reduces interference and enriches spatial imaging, delivering nuanced stereo definition.\u003c\/p\u003e\n \u003ch2\u003e\n \u003cstrong\u003eAnalog Low‑Pass Filter in Discrete Class A\u003c\/strong\u003e\u003cbr\u003e\n \u003c\/h2\u003e\n \u003cp\u003eThe X30’s analog low-pass filter uses discrete Class‑A circuitry tailored to ES9039S Pro’s behavior. Every component operates at its optimal point for fidelity, crafting a detailed yet natural tonal response.\u003c\/p\u003e\n \u003ch2\u003e\n \u003cstrong\u003eFPGA-driven Streamer with Preamp Relay\u003c\/strong\u003e\u003cbr\u003e\n \u003c\/h2\u003e\n \u003cp\u003eA programmable FPGA controller manages clocking, PLL shaping, DEP op filtering, and i2s\/PCM\/DSD decoding. It also enables relay-based R2R volume control within the analog domain—controled via remote—with no signal degradation whether used with an amp or active speakers.\u003c\/p\u003e\n \u003ch2\u003e\u003cstrong\u003eK2 OCXO Clock \u0026amp; External Sync via BNC.\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp\u003eThe X30 integrates a K2 oven-controlled crystal oscillator (OCXO) for stable timing and allows a 10 MHz external clock input via BNC (square\/sine wave, 0.2–3.3 V). \u003c\/p\u003e\n \u003ch2\u003e\u003cstrong\u003eNetwork Streamer with Broad Format Support\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp\u003eBuilt-in Gigabit Ethernet enables streaming protocols including Roon, AirPlay, UPnP, NAA, and Spotify, with web-based config and online firmware updates.\u003c\/p\u003e\n \u003ch2\u003e\n \u003cstrong\u003eFixed-Level Balanced \u0026amp; Single‑Ended Outputs\u003c\/strong\u003e\u003cbr\u003e\n \u003c\/h2\u003e\n \u003cp\u003eThe X30 provides fixed-level outputs: RCA (2.5 Vrms, 100 Ω) and XLR (5.1 Vrms, 100 Ω), ideal for downstream preamps or direct amplifier connection.\u003c\/p\u003e\n \u003ch3\u003e\u003cstrong\u003eProduct Highlights\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n \u003cp\u003eFour ES9039S Pro DAC chips in fully balanced design\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eDiscrete Class‑A analog low-pass filter\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eFPGA-based streamer with relay R2R analog volume\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eK2 OCXO clock with 10 MHz BNC sync input\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eEthernet-supported protocols: Roon, AirPlay, UPnP, NAA, Spotify\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eFixed RCA (2.5 Vrms) and XLR (5.1 Vrms) outputs, both 100 Ω\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eBrushed aluminum chassis—silver or black finish\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eDimensions: 430 × 300 × 80 mm (footprint); package weight ~10 kg\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003ePower: AC115\/230 V, 30 W consumption\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n \u003cp\u003eDigital Inputs: LAN (100\/1000 Mbps), 10 MHz BNC for external clock\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eAnalog Outputs: FIXED RCA (2.5 Vrms, 100 Ω); XLR (5.1 Vrms, 100 Ω)\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eSignal Performance:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n \u003cp\u003eFrequency response 20 Hz–20 kHz ±0.2 dB;\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eDNR: 130 dB\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eSNR: 129 dB\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eCrosstalk –139 dB @ 10 kHz\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eTHD+N ≤ 0.0001% @ 1 kHz\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eIMD ≈ 0.001%\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eDimensions: 430 mm × 300 mm × 80 mm (height incl. feet 92 mm)\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003ePower: AC115\/230 V 50\/60 Hz; \u0026lt; 30 W power consumption\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eWeight: Packaged: 10 kg\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n \u003cp\u003eGustard X30 main unit\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003eRemote control\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003ePower cable\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003e\u003cstrong\u003eFeatured reviews\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cp\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/VLkFoU3fu18?si=1IHhPdi_3gLCgZL5\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e \u003c\/strong\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cem\u003e\"It's the quintessential DAC to beat.\" -SoundNews\u003c\/em\u003e\u003c\/p\u003e","brand":"Gustard","offers":[{"title":"Black","offer_id":46866219597999,"sku":"APS-1090-1","price":2999.99,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":46866219630767,"sku":"APS-1090-2","price":2999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/apos-audio-gustard-gustard-x30-4xes9039spro-streamer-digital-to-analog-convertor-dac-1177017297_7fb8b1e2-9904-4afd-a89a-35dc3faa7297.webp?v=1777716340","url":"https:\/\/freshized.com\/products\/gustard-x30-4xes9039spro-streamer-digital-to-analog-convertor-dac","provider":"Freshized","version":"1.0","type":"link"}