{"product_id":"pro-ject-dac-box-s2-1","title":"Pro-Ject DAC Box S2+","description":"\u003ch1\u003ePro-Ject DAC Box S2+ Digital-to-Analog Converter\u003c\/h1\u003e\n\u003ch3\u003eCompact ESS Sabre DAC with PCM up to 32-bit\/768 kHz, DSD256 support, three digital inputs, and five selectable filters\u003c\/h3\u003e\n\u003cp\u003eThe DAC Box S2+ is a compact digital-to-analog converter built around the 32-bit ESS Sabre ESS9038Q2M DAC. Its asynchronous XMOS USB-B input supports PCM files up to 32-bit\/768 kHz and DSD64, DSD128, and DSD256 via DSD over PCM.\u003c\/p\u003e\n\u003cp\u003eCoaxial and optical inputs support PCM up to 24-bit\/192 kHz, allowing the DAC Box S2+ to accept digital audio from sources such as a CD transport, streamer, or TV. A stereo pair of RCA line outputs connects it to an integrated amplifier, preamplifier, or other line-level component.\u003c\/p\u003e\n\u003cp\u003eFive selectable digital filters let you choose between different conversion characteristics from the front panel. Pro-Ject also uses proprietary clock circuitry with synchronized internal oscillators, specifying jitter as low as 100 femtoseconds.\u003c\/p\u003e\n\u003cp\u003eInside, the DAC Box S2+ uses organic polymer capacitors, thin-film miniMELF resistors, and a gold-plated four-layer PCB. Unwanted noise entering through USB is double filtered, while the full metal sandwich chassis helps protect the circuitry from vibration and interference. The DAC Box S2+ is available in black or silver.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eESS Sabre ESS9038Q2M 32-bit DAC\u003c\/li\u003e\n\u003cli\u003eAsynchronous XMOS USB-B input\u003c\/li\u003e\n\u003cli\u003ePCM playback up to 32-bit\/768 kHz through USB\u003c\/li\u003e\n\u003cli\u003eDSD64, DSD128, and DSD256 playback via DSD over PCM\u003c\/li\u003e\n\u003cli\u003eCoaxial and optical PCM playback up to 24-bit\/192 kHz\u003c\/li\u003e\n\u003cli\u003eFive front-panel-selectable digital filters\u003c\/li\u003e\n\u003cli\u003eProprietary clock circuitry with synchronized internal oscillators\u003c\/li\u003e\n\u003cli\u003eSpecified jitter as low as 100 femtoseconds\u003c\/li\u003e\n\u003cli\u003eDouble filtering of unwanted noise entering through USB\u003c\/li\u003e\n\u003cli\u003eOrganic polymer capacitors and thin-film miniMELF resistors\u003c\/li\u003e\n\u003cli\u003eGold-plated four-layer PCB\u003c\/li\u003e\n\u003cli\u003eStereo RCA line output\u003c\/li\u003e\n\u003cli\u003eFull metal sandwich chassis\u003c\/li\u003e\n\u003cli\u003eAvailable in black or silver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eD\/A Converter:\u003c\/b\u003e ESS Sabre ESS9038Q2M, 32-bit\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDigital Inputs:\u003c\/b\u003e One asynchronous XMOS USB-B, one coaxial S\/PDIF (RCA), and one optical S\/PDIF (Toslink)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUSB Playback:\u003c\/b\u003e PCM up to 32-bit\/768 kHz; DSD64, DSD128, and DSD256 via DSD over PCM\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCoaxial Playback:\u003c\/b\u003e PCM up to 24-bit\/192 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOptical Playback:\u003c\/b\u003e PCM up to 24-bit\/192 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDigital Filters:\u003c\/b\u003e Five, selectable from the front panel\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFrequency Response:\u003c\/b\u003e 20 Hz–20 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTotal Harmonic Distortion:\u003c\/b\u003e 0.0007% at 0 dB, 2 V RMS, 1 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDynamic Range:\u003c\/b\u003e 120 dB\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAnalog Output:\u003c\/b\u003e One stereo pair of RCA line outputs\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOutput Voltage:\u003c\/b\u003e 2.05 V RMS\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower Supply:\u003c\/b\u003e 5 V\/1 A DC outboard power supply (included)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFinishes:\u003c\/b\u003e Black or silver\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDimensions (HWD):\u003c\/b\u003e 1.46\" × 4.06\" × 4.80\" (37 × 103 × 122 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.78 lb. (355 g), without power supply\u003c\/p\u003e","brand":"Pro-Ject","offers":[{"title":"Black","offer_id":53780481573048,"sku":"DACBOXS2+BLK","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":53780481605816,"sku":"DACBOXS2+SIL","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/DACBoxS2plus-2_jpg.webp?v=1785439017","url":"https:\/\/upscaleaudio.com\/products\/pro-ject-dac-box-s2-1","provider":"Upscale Audio","version":"1.0","type":"link"}