{"product_id":"pro-ject-pre-box-s2-digital-dac-headphone-amp-preamp-new-old-stock","title":"Pro-Ject Pre Box S2 Digital DAC, Headphone Amp \u0026 Preamp - New Old Stock","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGeneral:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eThe Pro-Ject Pre Box S2 Digital is one of our favorite DACs at this price point, and for good reason. Not only is it an excellent standalone DAC, but it also doubles as a preamplifier and headphone amplifier, making it an incredibly versatile little unit. Especially for a desktop audio setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned by renowned audio engineer John Westlake who was also behind several acclaimed products from Quad and Cambridge Audio, the Pre Box S2 Digital packs some serious technology into a remarkably compact package.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSome of our favorite features include its crisp OLED display, solid all-metal construction, dual-mono design featuring two ESS Sabre ES9038Q2M DAC chips, and convenient remote control (included).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e It also offers several selectable digital filter settings, allowing you to fine-tune the sound to your liking. And for those looking to get the most from their digital music collection, the USB input supports both DSD and MQA playback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThere's very little at this price point that offers this combination of sound quality, features, and build quality. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAnd it's made in Europe!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBest of all, this particular Pre Box S2 Digital is brand new, New Old Stock (NOS), and has never been used.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e It shows absolutely no signs of wear and includes everything originally supplied from the factory. A fantastic opportunity to pick up one of our favorite compact DACs in brand-new condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This is the original Pre Box S2 Digital, the predecessor to the current \u003c\/span\u003e\u003ca href=\"https:\/\/skyfiaudio.com\/products\/pro-ject-pre-box-s2-digital-edition-23-dual-mono-dac-preamp\"\u003e\u003cspan\u003ePre Box S2 Digital Edition 23, which retails for $500.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrom Pro-Ject:\u003c\/strong\u003e\u003cbr\u003eThis little desktop DAC is capable of high resolution audio up to 32bit 768kHz PCM and DSD512! Pre Box S2 Digital is also supports hardware MQA unfolding.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWith organic polymer capacitors and thin film miniMELF resistors we were able to create a tiny device that will blow away even much bigger components for a much higher price.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSkyFi Cosmetic Notes:\u003c\/b\u003e\u003cbr\u003eNew, never used.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eOwnership:\u003c\/b\u003e\u003cbr\u003eBrand New\u003cbr\u003e\u003cbr\u003e\u003cb\u003eConnections:\u003c\/b\u003e\u003cbr\u003eRCA output, Digital Toslink, USB input,\u003cbr\u003e\u003cbr\u003e\u003cb\u003eGeneral Sound:\u003c\/b\u003e\u003cbr\u003eAccurate to the recording\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCosmetic Condition:\u003c\/b\u003e\u003cbr\u003eNew = Factory sealed and unopened. See our detailed rating description \u003ca href=\"https:\/\/skyfiaudio.com\/pages\/our-rating-scale\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eWorking Condition:\u003c\/b\u003e\u003cbr\u003eWorking perfectly and tested on our bench with both CD and DVD. XLR and RCA working as they should.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eIncluded:\u003c\/b\u003e\u003cbr\u003eEverything like when it arrived new\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePacking:\u003c\/b\u003e\u003cbr\u003eWill be packed using our highly developed in-house process and custom packing materials.\u003ciframe width=\"1280\" height=\"720\" src=\"https:\/\/www.youtube.com\/embed\/wuWesEecAbE?\u0026amp;autoplay=1\u0026amp;mute=1\" title=\"This Is How We Pack Sensitive Electronics at SkyFi Audio, Less Than 0.2% Shipping Damage\"\u003e\u003c\/iframe\u003e\u003cb\u003eOriginal MSRP:\u003c\/b\u003e\u003cbr\u003e$399.00\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecs:\u003c\/b\u003e\u003cbr\u003eDigital Inputs:\u003cbr\u003e- 1x Coaxial (S\/PDIF)\u003cbr\u003e- 1x Optical (TOSlink®)\u003cbr\u003e- USB\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eD\/A Converter:\u003cbr\u003e- 2x ESS9038Q2M 32-bit PCM 768kHz \/ DSD512\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eHeadphone Amplifier Chip:\u003cbr\u003e- ESS9602\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSupported Sampling Rates:\u003cbr\u003e- 32 \/ 44.1 \/ 48 \/ 88.2 \/ 96 \/ 176.2 \/ 192 \/ 352.8 \/ 384 \/ 768 kHz\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDSD Support:\u003cbr\u003e- DSD64\u003cbr\u003e- DSD128\u003cbr\u003e- DSD256\u003cbr\u003e- DSD512\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMQA Support:\u003cbr\u003e- Full hardware MQA unfolding\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFilter Settings:\u003cbr\u003e- 8 selectable filters (front panel selectable)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFrequency Response:\u003cbr\u003e- 20 Hz – 20 kHz\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAnalog Outputs:\u003cbr\u003e- 6.3mm Headphone Output (front)\u003cbr\u003e- 1x Variable RCA Output\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOutput Voltage:\u003cbr\u003e- 2.05 Veff\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eHeadphone Output Power:\u003cbr\u003e- 68mW @ 32 Ohms\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eTHD:\u003cbr\u003e- 0.0003%\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDynamic Range:\u003cbr\u003e- 124dBA\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003ePower Consumption:\u003cbr\u003e- 5V via Micro USB\u003cbr\u003e\u003cbr\u003e\u003cb\u003eDimensions:\u003c\/b\u003e\u003cbr\u003e4.1\" × 1.5\" × 4.8\" (03 mm × 37 mm × 122 mm)\u003cbr\u003e\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e\u003cbr\u003e0.8 lbs.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eApproximate Age:\u003c\/b\u003e\u003cbr\u003e2025\u003cbr\u003e\u003cbr\u003e\u003cb\u003eRecommended Cables:\u003c\/b\u003e\u003cbr\u003e\u003ca title=\"Kimber Kable - Hero Ascent Series RCA Interconnects - SkyFi Audio\" href=\"https:\/\/skyfiaudio.com\/products\/kimber-kable-hero-interconnects-pair-rca-ultraplate-or-wbt-connectors-new\" rel=\"noopener\" target=\"_blank\"\u003eKimber Kable - RCA Interconnects\u003c\/a\u003e - Better\u003cbr\u003e\u003cbr\u003e\u003ca title=\"Kimber Kable - Silver Streak Summit Series RCA Interconnects - SkyFi Audio\" href=\"https:\/\/skyfiaudio.com\/products\/kimber-kable-silver-streak-interconnects-pair-rca-ultraplate-or-wbt-connectors\" rel=\"noopener\" target=\"_blank\"\u003eKimber Kable - RCA Interconnects\u003c\/a\u003e - Best\u003cbr\u003e\u003cbr\u003e\u003ca title=\"Kimber Kable Coaxial Digital Interconnect SkyFi Audio\" href=\"https:\/\/skyfiaudio.com\/collections\/our-kimber-kable-collection\/products\/kimber-kable-d-60-digital-interconnect-rca-bnc-or-wbt-terminations-brand-new\" rel=\"noopener\" target=\"_blank\"\u003eKimber Kable - Coaxial Digital Interconnect\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003ca title=\"Kimber Kable Optical Digital Interconnect SkyFi Audio\" href=\"https:\/\/skyfiaudio.com\/collections\/our-kimber-kable-collection\/products\/kimber-kable-opt-1-optical-digital-interconnect-toslink-connector-brand-new\" rel=\"noopener\" target=\"_blank\"\u003eKimber Kable - Optical Digital Interconnect\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/skyfiaudio.com\/collections\/our-cables-and-interconnects-collection-all\/products\/kimber-kable-select-series-reference-usb-cable-ks-usb-cu-brand-new\" rel=\"noopener\" target=\"_blank\"\u003eKimber Kable - Select Series Reference USB Cable\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTesting Process:\u003c\/b\u003e\u003cbr\u003eWe start with a test signal to verify signal lock and proper output on both channels. If the DAC has balanced outputs these are also tested at this time. If the DAC has multiple Optical and Coaxial inputs they are all checked for proper lock. USB inputs are tested with a MacBook Pro. \u003cbr\u003e\u003cbr\u003eAfter proper function is verified, we setup the DAC for a listening test to evaluate general audio reproduction quality and monitor for clicks, pops, or any other audible signs of issues related to dropped signal lock or failing audio output stages. We often connect the DAC under evaluation to our long term test rig for a long test stint to verify stability under real world operating conditions.\u003c\/p\u003e","brand":"Pro-Ject","offers":[{"title":"Default Title","offer_id":48284463038718,"sku":"107738","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0003\/3275\/9084\/files\/pro-ject-pre-box-s2-digital-dac-headphone-amp-preamp-new-old-stock-cd-773.jpg?v=1791558727","url":"https:\/\/skyfiaudio.com\/products\/pro-ject-pre-box-s2-digital-dac-headphone-amp-preamp-new-old-stock","provider":"SkyFi Audio","version":"1.0","type":"link"}