{"product_id":"cayin-ha-300-mk3-tube-headphone-amplifier","title":"Cayin HA-300 MK3 Tube Headphone Amplifier","description":"\u003ch3\u003eFlagship 300B Single-Ended Triode Tube Amplifier\u003c\/h3\u003e\u003cp\u003eThe Cayin HA-300 MK3 is the third generation of Cayin's acclaimed 300B headphone and speaker amplifier — a dual-chassis, pure Class A single-ended triode design built for the most demanding headphones, and now optimized for sensitive IEMs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenalex Gold Lion PX300B\u003c\/strong\u003e power tubes for a warm, richly textured midrange with deep, well-controlled bass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJJ 6SN7\u003c\/strong\u003e voltage tubes and \u003cstrong\u003eJJ GZ34\/5AR4\u003c\/strong\u003e rectifiers — low noise, with wide tube-rolling compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThird-generation wide-bandwidth EI output transformer\u003c\/strong\u003e plus a custom toroidal power transformer, developed specifically for this model\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDUELUND coupling capacitors from Denmark\u003c\/strong\u003e — low distortion and exceptional detail and layering\u003c\/li\u003e\n\u003cli\u003ePhysically separated power supply and amplifier chassis for cleaner energy delivery and isolation\u003c\/li\u003e\n\u003cli\u003eNow \u003cstrong\u003especially optimized for IEM compatibility\u003c\/strong\u003e, pairing with a far wider range of headphones than before\u003c\/li\u003e\n\u003cli\u003eComprehensive outputs: 4-pin XLR (6,500 mW), 6.35mm (6,000 mW), 4.4mm Pentaconn (1,600 mW), plus a speaker output\u003c\/li\u003e\n\u003cli\u003eNew gold-plated tube sockets, 60-second warm-up delay, and a sandblasted anti-fingerprint chassis\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTwo-piece design: 37 lb amplifier and 22 lb power supply. Available in Black or Silver.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized Cayin dealer.\u003c\/strong\u003e Full manufacturer warranty, free fully-insured shipping, and lifetime support.\u003c\/p\u003e","brand":"Cayin","offers":[{"title":"Black","offer_id":53199122694453,"sku":"CAY-HA300-MK3-B","price":4399.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":53199123120437,"sku":"CAY-HA300-MK3-S","price":4399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/3486\/0085\/files\/cayin-4-ha300-mk3-thumb.jpg?v=1784738737","url":"https:\/\/hifisoundgear.com\/products\/cayin-ha-300-mk3-tube-headphone-amplifier","provider":"hifisoundgear","version":"1.0","type":"link"}