{"product_id":"fosi-audio-gr70-tube-headphone-amp","title":"Fosi Audio GR70 Tube Headphone Amp","description":"\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSeen it for less? Please get in touch with us before placing an order\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCINESOUND is Authorized Fosi Audio Partner in India\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBrand New Sealed unit\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePrice is inclusive of all taxes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOfficial Fosi Audio India Warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Fosi Audio GR70 is a two-in-one headphone amp and preamp. Easily integrate this tube preamp into your home audio system with its multiple headphone jacks and RCA input\/output options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePure Tube-Amplification:\u003c\/strong\u003e The GR70 headphone tube amp combines vintage charm with modern tech, delivering authentic tube essence. Perfect for headphone enthusiasts, it pairs excellently with over-ear and in-ear headphones for superior audio\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuad Tubes:\u003c\/strong\u003e Features two 5654W and two 6Ж4 vacuum tubes for two-stage amplification. The 5654W tubes boost voltage, while the 6Ж4 tubes handle power amplification. This setup delivers balanced, transparent, and textured sound\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUser-Friendly Design:\u003c\/strong\u003e This tube headphone amp preamplifier offers intuitive controls, including a large volume knob, dual-side ventilation holes, bass \u0026amp; treble controls, high and low impedance mode switching, making it versatile enough\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-in-One:\u003c\/strong\u003e It supports low and high impedance modes switching to adapt 16Ω-300Ω headphones, and features 6.35mm\/3.5mm headphone jacks on the front and RCA Input\/Output on the rear for home audio HiFi system integration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Yet Powerful:\u003c\/strong\u003e Crafted with a CNC-machined aluminum alloy body, the GR70 is both durable and refined. Despite its compact size, it delivers up to 300mW power output and 1.2V RCA output with SNR ≥97dB—offering warm, clean, and dynamic sound\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eInput:\u003c\/strong\u003e RCA;\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e RCA, 6.35mm\/3.5mm Headphone Output;\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMax Power Output:\u003c\/strong\u003e 300mW@32Ω;\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Input:\u003c\/strong\u003e DC 12V\/3A;\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeadphone Impedance:\u003c\/strong\u003e Low Mode: 16Ω-120Ω, High Mode: 120Ω-300Ω;\u003c\/p\u003e","brand":"Cinesound","offers":[{"title":"Default Title","offer_id":67574978019629,"sku":null,"price":29500.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/6640\/8749\/files\/FA-GR70-Headphone-Preamp-Featured-Image.png?v=1790489441","url":"https:\/\/cinesound.in\/products\/fosi-audio-gr70-tube-headphone-amp","provider":"Cinesound","version":"1.0","type":"link"}