{"product_id":"used-open-box-ibasso-amp18-amplifier-module","title":"iBasso AMP18 Amplifier Module – Used \/ Open-Box Reference Listing","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eiBasso AMP18 is a modular amplifier card for compatible iBasso DX-series digital audio players, designed for users who want stronger balanced drive and a dedicated line-output path from a portable player. This used \/ open-box private quote reference page is intended for model research and manual sourcing rather than automatic checkout.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eModular amplifier card format for compatible iBasso DX-series players.\u003c\/li\u003e\n  \u003cli\u003eDual 4.4mm balanced sockets, separating phone output and line output roles.\u003c\/li\u003e\n  \u003cli\u003eExternal DC-IN 12V support for high-power operating modes on compatible setups.\u003c\/li\u003e\n  \u003cli\u003e80-transistor matrix and two-stage amplification architecture for high-current drive.\u003c\/li\u003e\n  \u003cli\u003eCascaded current-feedback design intended to reduce transient distortion.\u003c\/li\u003e\n  \u003cli\u003eRated up to 1740mW + 1740mW into 32Ω with external DC 12V supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n  \u003ctr\u003e\n\u003cth\u003eProduct role\u003c\/th\u003e\n\u003ctd\u003eDAP amplifier module \/ amp card\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003ctd\u003eiBasso DX340 \/ DX320 \/ DX300 series players; target player fit should be confirmed before quote\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eOutput layout\u003c\/th\u003e\n\u003ctd\u003eDual 4.4mm balanced sockets for phone out and line out\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eExternal power input\u003c\/th\u003e\n\u003ctd\u003eDC-IN 12V support\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAmplifier architecture\u003c\/th\u003e\n\u003ctd\u003e80-transistor matrix with two-stage amplification\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCircuit design\u003c\/th\u003e\n\u003ctd\u003eCascaded current-feedback circuit with complementary output stage\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaximum output power\u003c\/th\u003e\n\u003ctd\u003eUp to 1740mW + 1740mW @ 32Ω with external DC 12V supply\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eRated performance markers\u003c\/th\u003e\n\u003ctd\u003eTHD+N down to -114dB; dynamic range up to 123dB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e10Hz–40kHz ±0.9dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eAMP18 is an iBasso amplifier module rather than a standalone DAC or player. In HiFiLoop taxonomy, it is treated as an upgrade accessory for compatible DAP systems.\u003c\/p\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e3-5 business days processing after confirmation\u003c\/li\u003e\n  \u003cli\u003e7-15 days typical international shipping\u003c\/li\u003e\n  \u003cli\u003eFree shipping over $199\u003c\/li\u003e\n  \u003cli\u003e14-day DOA support\u003c\/li\u003e\n  \u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n  \u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does this Reference Listing mean?\u003c\/h3\u003e\n\u003cp\u003eIt means this page is used as a private quote and sourcing reference for iBasso AMP18. HiFiLoop checks condition, version, included set, destination, and current availability before quoting.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eNot automatically. Each unit is confirmed manually before payment, including condition, accessories, version, and availability.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. Send your target model, preferred condition, destination country, and budget range, and HiFiLoop can help check used, open-box, or hard-to-find options.\u003c\/p\u003e","brand":"iBasso","offers":[{"title":"Default Title","offer_id":48327440892118,"sku":null,"price":159.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1__AMP18_DX340.png?v=1780667902","url":"https:\/\/www.hifiloop.com\/products\/used-open-box-ibasso-amp18-amplifier-module","provider":"HiFiLoop","version":"1.0","type":"link"}