{"product_id":"cayin-c9","title":"Cayin C9 | Portable Headphone Amplifier","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/cayin-logo-gold-shadow.jpg?v=1691786430\" alt=\"Cayin gold logo with shadow\" style=\"display: block; margin-left: auto; margin-right: auto; width: 65%;\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"bloom-discontinued\"\u003e\n\u003ctable width=\"90%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"color: #a30e0b;\"\u003e\u003cstrong\u003e**DISCONTINUED:\u003c\/strong\u003e\u003c\/span\u003e Cayin's C9 Portable Headphone Amplifier is sold out and discontinued. Check out the newer, \u003ca href=\"https:\/\/bloomaudio.mom\/products\/cayin-c9ii?_pos=1\u0026amp;_psq=c9ii\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"Cayin C9ii Portable Headphone Amp\"\u003eCayin C9ii\u003c\/a\u003e!\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4\u003eThe Cayin C9: Flagship Portable Power\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIncredible versatility and up to 4.1W of power in your pocket.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChoose between the euphonic tube mode or the incredible accuracy of solid state.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eClass A and Class AB offer further customization of the sound and efficiency.\u003c\/li\u003e\n\u003cli\u003eSupports 4.4mm and 3.5mm input and output, with BAL to SE, and SE to BAL options.\u003c\/li\u003e\n\u003cli\u003eUser serviceable and replaceable batteries.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Cayin C9 portable amp with connected Cayin audio player\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/cayin-c9-lifestyle.jpg?v=1695934506\"\u003e\u003c\/p\u003e\n\u003ch3\u003eChoice of Timbre Vacuum Tubes\/Solid State\u003c\/h3\u003e\n\u003cp\u003eC9 uses a custom-designed fully balanced 4-ch dual timbre circuit with the Toshiba 2SK209 JET(Quad Set) for solid state, and a Korg Nutube 6P1 Double Direct Heated Triode for tube mode. You can use either mode for both Single-ended and Balanced Headphone Output\u003c\/p\u003e\n\u003ch3\u003eVacuum Tube Timbre Circuit\u003c\/h3\u003e\n\u003cp\u003eThe Redesigned timbre circuit gives you a livelly, euphonic, and delicate presentation using two miniature double Direct Heated Triode (DHT) for both Balanced and Single-ended output, with carefully implemented NFB that reduce THD+10 to 0.03%. Cayin's innovative installation process eliminates the microphonic effect of vacuum tubes.\u003c\/p\u003e\n\u003ch3\u003eSolid State Timbre circuit\u003c\/h3\u003e\n\u003cp\u003eThe solid state circuit delivers a warm and rich timbre that is realistic and engaging. It uses a fully discrete buffer and amplification audio circuit designed around two matched pairs of high quality, low noise Toshiba 2SK209 JFET op-amps.\u003c\/p\u003e\n\u003ch3\u003eDual Amp Operation Mode\u003c\/h3\u003e\n\u003cp\u003eC9's dual amp operation mode lets you switch between Class A and Class AB operation instantly. Class A mode is less energy efficient, but provides the lowest possible distortion, and a warm, smooth, musical sound. Class AB offers longer battery life along with a clean, tight low-end presentation.\u003c\/p\u003e\n\u003ch3\u003eDual Input Mode\u003c\/h3\u003e\n\u003cp\u003eC9's dual input mode allows you to optimally receive fixed or variable volume signals, and bypass the C9's volume control when connected to a device with its own volume control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLine:\u003c\/strong\u003e Receives fixed voltage audio signal from line level output and functions as a headphone amplifier with local volume control\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePre:\u003c\/strong\u003e receives variable voltage audio signal from pre-amp output and function as a power amplifier: volume is controlled at the source equipment\u003c\/p\u003e\n\u003cp\u003eThe amp also isn't limited by your input source. You can use balanced headphones with a single ended source or single-ended headphones with a balanced source, seamlessly. \u003c\/p\u003e\n\u003ch3\u003eUser Serviceable Batteries\u003c\/h3\u003e\n\u003cp\u003eOne of the biggest problems portable audio fans face is battery degradation on their high-end devices. Usually a battery replacement means waiting weeks to receive service from the manufacturer. C9 gets reliable, replaceable power from 4x Sony VTC6 3000mAH 18650 Lithium Batteries.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e3.5mm TRS\u003c\/li\u003e\n\u003cli\u003e4.4mm TRRRS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eAnalog Outputs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e3.5mm TRS\u003c\/li\u003e\n\u003cli\u003e4.4mm TRRRS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003eTimbre Circuit (Tube): KORG Nutube 6P1 x2\u003c\/li\u003e\n\u003cli\u003eTimbre Circuit (SS): Toshiba 2SK209 JFET x 4\u003c\/li\u003e\n\u003cli\u003eInput differential Amp: LIS LSK489 JFET x 4\u003c\/li\u003e\n\u003cli\u003eElectronic Volume Control: MUSES72320x2\u003c\/li\u003e\n\u003cli\u003eBattery: Sony US1865V9VTC6 x 4\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBattery Duration\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eSolid State:\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eSE\/Class AB: 15 hours, SE\/Class A: 12 hours\u003c\/li\u003e\n\u003cli\u003eBal\/Class AB: 10 Hours, Bal\/Class A: 7 Hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003eVacuum Tubes:\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eSE\/Class AB: 9.5 Hours, SE\/Class A: 8 Hours\u003c\/li\u003e\n\u003cli\u003eBal\/Class AB: 9 Hours, Bal\/Class A: 5.5 Hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003eCharge time (estimated):\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eStandard Charger: 6 hours\u003c\/li\u003e\n\u003cli\u003eQuick Charge 3.0: 3 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eOutput power\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.5mm SE:\u003c\/strong\u003e 16Ω: 1200mW, 32Ω: 700mW, 150Ω: 160mW, 300Ω: 80mW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.4mm Bal:\u003c\/strong\u003e 16Ω: 4.1 W, 32Ω: 2.6 W, 150Ω: 640mW, 300Ω: 320mW\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003eDimensions: 160x80x28mm\u003c\/li\u003e\n\u003cli\u003eWeight 550g\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"Cayin C9 Portable Amp Specifications List\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/cayin-c9-full-specs.jpg\" target=\"_blank\"\u003eFull C9 Specs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eC9 Portable Headphone Amplifier\u003c\/li\u003e\n\u003cli\u003eC9 Battery Module\u003c\/li\u003e\n\u003cli\u003eRead Panel Glass Protector\u003c\/li\u003e\n\u003cli\u003eSingle-ended Portable Interconnect (3.5mm to 3.5mm)\u003c\/li\u003e\n\u003cli\u003eBalanced Portable Interconnect (4.4mm to 4.4mm)\u003c\/li\u003e\n\u003cli\u003eUSB-C Charging cable\u003c\/li\u003e\n\u003cli\u003eReplacement screws for battery module\u003c\/li\u003e\n\u003cli\u003eT6 Screw Driver\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cayin","offers":[{"title":"Default Title","offer_id":40075071815755,"sku":"CAY-C9","price":1499.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/V8A4028.jpg?v=1698085991","url":"https:\/\/bloomaudio.mom\/products\/cayin-c9","provider":"Bloom Audio","version":"1.0","type":"link"}