{"product_id":"fostex-hp-a4bl-24bit-dac-headphone-amp-with-balanced-output","title":"Fostex HP-A4BL 24bit Balanced Amp\/DAC - Discontinued","description":"\u003ch2\u003eMain Features\u003c\/h2\u003e\n\u003cdiv class=\"main-features-sidebox\"\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with 4-pin XLR balanced output\u003c\/li\u003e\n\u003cli\u003eNewly developed audio-grade capacitor is adopted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighly precise crystal with low phase noise is adopted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlayback 24bit\/192kHz PCM and 11.2MHz DSD audio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eModel HP-A4BL, designed being based on the current HP-A4, is an affordable USB DAC \u0026amp; Headphone amp offering balanced connection for headphones that is becoming more popular in the market. In addition to the balanced headphone out, it also complies with DSD Audio up to 11.2MHz.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eIn Detail\u003c\/h3\u003e\n\u003cdiv class=\"in-detail\"\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with 4-pin XLR balanced output\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNewly developed audio-grade capacitor is adopted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighly precise crystal with low phase noise is adopted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlayback 24bit\/192kHz PCM and 11.2MHz DSD audio\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh performance DAC (Barrbrown PCM1792A) is equipped\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAsynchronous transfer up to 192kHz\/24bit compatible with USB Audio 2.0\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHI\/LO Gain selection (10dB) for wider selection of headphones\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDigital Filter selecting Roll-Off characteristics and Cut-off frequencies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003cbr\u003e[USB] terminal\u003cbr\u003eInterface :USB 2.0 Hi Speed\u003cbr\u003eSampling Frequencies :PCM 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz DSD 2.8MHz, 5.6MHz, 11.2MHz\u003cbr\u003eQuantization :16bit, 24bit\u003cbr\u003e[Digital In] terninal\u003cbr\u003eConnector :Optical, Square\u003cbr\u003eFormat :S\/PDIF\u003cbr\u003eSampling Frequencies :44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz\u003cbr\u003eQuantization :16bit, 24bit\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003cbr\u003e[PHONES BALANCED] terminal\u003cbr\u003eConnector :XLR (4-pin)\u003cbr\u003eMaximum output :300mW or more (32 ohm)\u003cbr\u003eLoad impedance :16 - 600 ohm\u003cbr\u003eTHD :less than 0.04% (at 1kHz)\u003cbr\u003eFrequency Response :20Hz - 80kHz (+-3dB, 32 ohm, 100mW)\u003cbr\u003e\u003cbr\u003e[PHONE UNBALANCED] terminal\u003cbr\u003eConnector :1\/4\" stereo jack\u003cbr\u003eMaximum output :150mW or more (32 ohm) Applicable load impedance :16 - 600 ohm\u003cbr\u003eTHD :less than 0.04% (at 1kHz)\u003cbr\u003eFrequency Response :20Hz - 80kHz (+-3dB, 32 ohm, 100mW)\u003cbr\u003e\u003cbr\u003e[OUTPUT] (L,R) terninal (Analog output) Connector :RCA Pin\u003cbr\u003eReference output level :2Vrms (0 dBFS) Applicable load impedance :less than 10k ohm THD :less than 0.01% (at 1kHz)\u003cbr\u003eFrequency Response: 20Hz-80kHz (+3dB)\u003cbr\u003e\u003cbr\u003e[DIGITAL OUT] terminal\u003cbr\u003eConnector :Optical (square)\u003cbr\u003eFormat :S\/PDF\u003cbr\u003eFrequency Response :44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz\u003cbr\u003eQuantaization :16, 24bit\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003cbr\u003e[microSD] card slot (for firmware upgrade only) Format: FAT32\u003cbr\u003eCompatible card: microSD card (SDHC), up to 32GB\u003cbr\u003eAccessories :Rubber foot (x4), USB cable, Manual, AC adapter\u003cbr\u003ePower supply :DC12V\u003cbr\u003eMeasurements :150(W) x 34(H) x 157(D)mm including protrusion\u003cbr\u003eWeight:approx. 630g\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fostex","offers":[{"title":"Default Title","offer_id":18291919159411,"sku":"HP-A4BL","price":479.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/HPA4BL-4.jpg?v=1762457253","url":"https:\/\/audio46.mom\/products\/fostex-hp-a4bl-24bit-dac-headphone-amp-with-balanced-output","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}