{"product_id":"fostex-hp-a3-32-bit-dac-headphone-amplifier","title":"Fostex HP-A3 32bit Amp\/DAC - Discontinued","description":"\u003ch2\u003eMain Features\u003c\/h2\u003e\n\u003cdiv class=\"main-features-sidebox\"\u003e\n\u003cul\u003e\n\u003cli\u003e32bit D\/A Converter\u003c\/li\u003e\n\u003cli\u003eUSB Bus power without using unwanted AC adapter\u003c\/li\u003e\n\u003cli\u003eWorks with up to 24bit\/96kHz audio source\u003c\/li\u003e\n\u003cli\u003eHigh quality analog headphone amp to drive any type of headphones\u003c\/li\u003e\n\u003cli\u003eEquipped with high-grade AKM 32bit DAC AK4390\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe new Fostex HP-A3 is the perfect DAC for Computer Audio. This high quality unit features 32bit D\/A Conversion with an integrated headphone amplifier exclusively designed to get the most from and PC audio set-up.\u003c\/p\u003e\n\u003cp\u003eWhy settle for 'built-in' D\/A conversion when you can drastically improve the quality of your audio with a Fostex HP-A3? \u003c\/p\u003e\n\u003ch3\u003eIn Detail\u003c\/h3\u003e\n\u003cdiv class=\"in-detail\"\u003e\n\u003cul\u003e\n\u003cli\u003eUSB Bus power without using unwanted AC adapter\u003c\/li\u003e\n\u003cli\u003eWorks with up to 24bit\/96kHz audio source\u003c\/li\u003e\n\u003cli\u003eExclusive PLL power supply is built in to reproduce the stable electrical supply\u003c\/li\u003e\n\u003cli\u003eHigh quality analog headphone amp to drive any type of headphones\u003c\/li\u003e\n\u003cli\u003eEquipped with hgih-grade AKM 32bit(*) DAC AK4390\u003c\/li\u003e\n\u003cli\u003eCondensers and OP amp designed exclusively for audio products\u003c\/li\u003e\n\u003cli\u003eUSB \/ Digital (Optical) input selector\u003c\/li\u003e\n\u003cli\u003eHeadphones \/ RCA (Analog) output selector\u003c\/li\u003e\n\u003cli\u003eDoubles as D\/D converter from USB digital audio to Optical\u003c\/li\u003e\n\u003cli\u003eAn USB\/AC adapter from the shelf can be used for use as an Optical \/ Analog converter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: When using the USB input, the sampling frequency is fixed at 96kHz.  Audio file with Fs 32k\/44.1k\/48kHz will be reproduced by upsampling to 96kHz and the S\/PDIF Out is also fixed at 96kHz.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003cbr\u003eUSB port sampling frequency 16bit-24bit\/96kHz\u003cbr\u003eInterface: USB full speed\u003cbr\u003eDigital Connector: optical, square\u003cbr\u003eFormat: S\/PDIF (32kHz – 96kHz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003cbr\u003ePhones Connector: Stereo phone\u003cbr\u003eMax Output: 100mW (32-ohm loaded)\u003cbr\u003eTHD: less than 0.01% at 1kHz, 32-ohm loaded, 100mW\u003cbr\u003eFrequency response: 20Hz \/ 20kHz +-0.3dB (32ohm loaded, 100mW)\u003cbr\u003eAnalog Connector: RCA Pin\u003cbr\u003eReference output level -10dBV\u003cbr\u003eTHD: less than 0.01% at 1kHz\u003cbr\u003eFrequency response: 20Hz \/ 20kHz +-0.3dB\u003cbr\u003eDigital Connector: Optical, square\u003cbr\u003eFormat S\/PDIF (32kHz – 96kHz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003cbr\u003ePower: DC5V (via USB port)\u003cbr\u003ePower Consumption: 2.5W\u003cbr\u003eAccessories: 1 x USB cable (1.0m), 4 x rubber foot, manual\u003cbr\u003eDimensions: 108mm(W) x 36mm(H) x 140mm(D)\u003cbr\u003eWeight: approx. 450g\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fostex","offers":[{"title":"Default Title","offer_id":18292157513843,"sku":"HP-A3","price":299.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/HP-A3_003.jpg?v=1762457435","url":"https:\/\/audio46.mom\/products\/fostex-hp-a3-32-bit-dac-headphone-amplifier","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}