{"title":"DACs \u0026 Amps","description":"\u003c!-- HiFiLoop | DACs \u0026 Amps (Parent) Collection Description | Mobile-First Accordion Standard --\u003e\u003c!-- HELP ME FIND GEAR = 帮我找设备 \/ 代客寻货 --\u003e\u003c!-- MAKE AN OFFER = 立即出价 \/ 私聊议价 --\u003e\n\u003cdiv class=\"hfl-collection hfl-dacs-amps\"\u003e\n\u003cp class=\"hfl-lede\"\u003e\u003cstrong\u003eDACs \u0026amp; Amps: shape the signal, control the drive.\u003c\/strong\u003e This archive covers the core electronics of a high-end chain—from pocketable dongles to desktop DAC\/amps and speaker amplification. Most listings are \u003cstrong\u003epre-owned \/ open-box\u003c\/strong\u003e, documented with unit-specific condition notes and practical I\/O details (what matters in daily use, not just specs).\u003c\/p\u003e\n\u003cp class=\"hfl-ctas\"\u003eIf a listing is live, \u003ca data-hfl-chat=\"make_offer\" href=\"#\" class=\"hfl-cta-link\"\u003e\u003cstrong\u003eMAKE AN OFFER\u003c\/strong\u003e\u003c\/a\u003e. If it’s sold out—or you want a quick match—\u003ca data-hfl-chat=\"find_gear\" href=\"#\" class=\"hfl-cta-link\"\u003e\u003cstrong\u003eHELP ME FIND GEAR\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv aria-hidden=\"true\" class=\"hfl-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 class=\"hfl-h2\"\u003eBrowse by\u003c\/h2\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003ca title=\"Phone-first setups, dongles, and portable DAC\/amps\" href=\"\/zh\/collections\/dacs-amps-portable-dongles\"\u003e \u003cstrong\u003ePortable \/ Dongles\u003c\/strong\u003e \u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e — pocket rigs, low-noise IEM options, travel-friendly power.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Desktop headphone DAC\/amps and desk setups\" href=\"\/zh\/collections\/dacs-amps-desktop\"\u003e \u003cstrong\u003eDesktop\u003c\/strong\u003e \u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e — stable control, serious headroom, clean daily workflow.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Integrated amps and power amps for passive speakers\" href=\"\/zh\/collections\/speaker-amps\"\u003e \u003cstrong\u003eSpeaker Amps\u003c\/strong\u003e \u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e — current delivery and load control for passive speakers.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdetails class=\"hfl-acc\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eWhat belongs in “DACs \u0026amp; Amps”\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003eIn a simple chain, the DAC converts digital audio to analog, and the amplifier provides the control and drive your transducers need. The right choice depends on your use-case: desk vs portable vs speakers.\u003c\/p\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003ePortable \/ Dongles:\u003c\/span\u003e phone-first listening, travel rigs, and low-noise IEM use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eDesktop:\u003c\/span\u003e serious headphone setups with stable volume control and broader connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eSpeaker Amps:\u003c\/span\u003e integrated\/power amps designed to control passive speakers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hfl-muted\"\u003eIf you’re unsure, tell us your source + headphones\/speakers + budget—we’ll point you to the right lane first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eHow to choose quickly (without overthinking)\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eStart with your “load”:\u003c\/span\u003e IEMs, full-size headphones, or passive speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eThen your source:\u003c\/span\u003e phone\/tablet\/PC\/streamer and the connection you will actually use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003ePrioritize daily usability:\u003c\/span\u003e noise floor, gain range, controls, and ports matter more than spec sheets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eMatch before you buy:\u003c\/span\u003e we can confirm pairing logic and voltage where applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hfl-muted\"\u003eSold out models are still useful—send the model name and your region and we’ll check availability through our sourcing concierge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eLoop Certified: what we document\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003eUsed electronics require practical transparency. We focus on what affects ownership:\u003c\/p\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eCondition notes:\u003c\/span\u003e visible wear, controls, connectors, and any known quirks disclosed clearly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eI\/O clarity:\u003c\/span\u003e what inputs\/outputs are present and what’s included in the box (when identifiable).\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eBasic stability checks:\u003c\/span\u003e practical functionality verification appropriate to the product type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hfl-muted\"\u003eNeed a specific verification before buying? Message us—we’ll confirm what matters for your chain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eShipping, processing \u0026amp; voltage notes\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eProcessing:\u003c\/span\u003e typically 3–5 business days for inspection and packing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eShipping:\u003c\/span\u003e typically 7–15 days depending on destination and line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eVoltage (when applicable):\u003c\/span\u003e desktop\/speaker gear may vary (110V\/220V\/switchable). We can confirm before checkout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eDOA window:\u003c\/span\u003e 14 days for arrival functionality issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cp class=\"hfl-cta-bottom\"\u003e\u003cspan class=\"hfl-muted\"\u003eTell us your chain—source + headphones\/speakers + budget—and we’ll match the right DAC\/amp path.\u003c\/span\u003e \u003ca data-hfl-chat=\"find_gear\" href=\"#\" class=\"hfl-cta-link\"\u003e\u003cstrong\u003eHELP ME FIND GEAR\u003c\/strong\u003e\u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e \/ \u003c\/span\u003e \u003ca data-hfl-chat=\"make_offer\" href=\"#\" class=\"hfl-cta-link\"\u003e\u003cstrong\u003eMAKE AN OFFER\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"astell-kern-pa10-class-a-headphone-amplifier","title":"Astell\u0026Kern PA10 Class-A Headphone Amplifier","description":"\u003c!-- HFL:PDP_COMPACT_V1 --\u003e\n\u003ch2\u003eThis unit\u003c\/h2\u003e\u003cdl\u003e\n\u003cdiv\u003e\n\u003cdt\u003eCondition\u003c\/dt\u003e\n\u003cdd\u003eExcellent cosmetic condition with no noted dents or scratches.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eFunction\u003c\/dt\u003e\n\u003cdd\u003eNormal operation. Charging and battery-powered playback have been checked and are working normally.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eIncluded\u003c\/dt\u003e\n\u003cdd\u003eBox, documentation and the pictured accessories are included.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\n\u003c!-- HFL:MODEL --\u003e\u003cdiv class=\"hfl-pdp-model\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eModel \u0026amp; connections\u003c\/h2\u003e\n\u003cp\u003eAstell\u0026amp;Kern AK PA10 is a portable analog headphone amplifier built around a Class-A amplification stage and the company’s TERATON ALPHA circuit design.\u003c\/p\u003e\n\u003cp\u003eIt provides selectable Class-A current levels, low\/high gain and hardware crossfeed, with both 3.5 mm unbalanced and 4.4 mm true-balanced analog input\/output paths.\u003c\/p\u003e\n\u003ch3\u003eBefore you connect\u003c\/h3\u003e\n\u003cp\u003eMatch the input and headphone connection type: 3.5 mm for unbalanced or 4.4 mm for balanced. Current, gain and crossfeed can be adjusted to suit the connected headphones or IEMs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ctable\u003e\n\u003ccaption\u003eAstell\u0026amp;Kern AK PA10 specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAmplification\u003c\/th\u003e\n\u003ctd\u003eClass A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCurrent control\u003c\/th\u003e\n\u003ctd\u003eLow · Mid · High\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGain\u003c\/th\u003e\n\u003ctd\u003eLow · High\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAnalog input \/ output\u003c\/th\u003e\n\u003ctd\u003e3.5 mm unbalanced · 4.4 mm balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCrossfeed\u003c\/th\u003e\n\u003ctd\u003eHardware crossfeed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCharging\u003c\/th\u003e\n\u003ctd\u003eUSB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Astell\u0026Kern","offers":[{"title":"Default Title","offer_id":50515252642006,"sku":"HFL-U-BAB2CBE802F7","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/ak-pa10-01-original.webp?v=1790044105"}],"url":"https:\/\/hifiloop.com\/zh\/collections\/dacs-amps.oembed","provider":"HiFiLoop","version":"1.0","type":"link"}