{"product_id":"feliks-envy-sus-og","title":"Feliks Audio Envy Susvara Edition Headphone Amplifier with Susvara OG Headphones","description":"\u003cp\u003eThe \u003cstrong\u003eFeliks Audio Envy Susvara Edition paired with HiFiMAN Susvara OG Headphones\u003c\/strong\u003e represents an ultimate-tier, end-game personal audio system. Handcrafted in Poland by Feliks Audio, the Envy Susvara Edition is a Class A, single-ended, transformer-coupled flagship tube amplifier engineered specifically to supply the high voltage swing, current delivery, and control demanded by ultra-low sensitivity planar magnetic headphones.\u003c\/p\u003e\n\n\u003cp\u003eBuilding upon the acclaimed Envy architecture, the Susvara Edition introduces custom-made amorphous-core output transformers, a dedicated \"Susvara\" output impedance gain profile delivering up to 9W of Class A power, and premium internal components derived from Feliks Audio's flagship Anniversary Edition. Paired with the legendary nanometer-diaphragm HiFiMAN Susvara OG, this complete system delivers astounding resolution, fast dynamic response, deep low-end impact, and rich, organic 300B harmonic presentation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eOrdering Note:\u003c\/strong\u003e Specially built-to-order system. Please allow approximately 6 to 7 weeks for delivery.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKEY FEATURES \u0026amp; SYSTEM HIGHLIGHTS\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eComplete Reference Headphone System:\u003c\/strong\u003e Includes the Feliks Audio Envy Susvara Edition tube amplifier paired directly with the original HiFiMAN Susvara OG planar magnetic headphones.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eClass A 300B Tube Circuitry:\u003c\/strong\u003e Single-ended, output transformer-coupled design utilizing matched premium Stradi S300B power triodes and PSVANE CV-181 Mk2 (6SN7) driver tubes.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eUp to 9W Class A Output Power:\u003c\/strong\u003e Features a newly tuned \"Susvara\" gain setting that increases output power to 9W, providing effortless dynamic headroom for ultra-demanding 83dB sensitivity loads.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCustom Amorphous-Core Transformers:\u003c\/strong\u003e Ultra-low-noise output transformers with amorphous cores engineered for rapid transient response, superior linearity, and maximum micro-detail retrieval.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eAnniversary-Grade Internal Components:\u003c\/strong\u003e Wired with UPOCC single-crystal copper signal conductors and upgraded, microphonic-resistant coupling capacitors for pure signal transparency.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHiFiMAN Susvara OG Planar Headphones:\u003c\/strong\u003e Features ultra-thin nanometer-grade diaphragms, Stealth Magnet design, and open-back Window Shade grilles for zero-reflection transparency.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePreamplifier Capability \u0026amp; Flexible I\/O:\u003c\/strong\u003e Includes balanced XLR and unbalanced RCA inputs alongside dedicated pre-out connections for integration into high-end 2-channel stereo setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\n\u003ctable style=\"width: 100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eFeliks Audio Envy Susvara Edition (Amplifier)\u003c\/th\u003e\n      \u003cth\u003eHiFiMAN Susvara OG (Headphones)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eArchitecture \/ Driver Type\u003c\/td\u003e\n      \u003ctd\u003eClass A, Single-Ended, Transformer-Coupled Tube\u003c\/td\u003e\n      \u003ctd\u003eOpen-Back Planar Magnetic (Stealth Magnets)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePower Vacuum Tubes\u003c\/td\u003e\n      \u003ctd\u003e2x Stradi S300B Power Triodes\u003c\/td\u003e\n      \u003ctd\u003e—\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDriver Vacuum Tubes\u003c\/td\u003e\n      \u003ctd\u003e2x PSVANE CV-181 Mk2 \/ 6SN7\u003c\/td\u003e\n      \u003ctd\u003e—\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMax Output Power\u003c\/td\u003e\n      \u003ctd\u003eUp to 9 W Pure Class A (at \"Susvara\" gain setting)\u003c\/td\u003e\n      \u003ctd\u003e—\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFrequency Response\u003c\/td\u003e\n      \u003ctd\u003e7 Hz – 100 kHz (±3 dB)\u003c\/td\u003e\n      \u003ctd\u003e6 Hz – 75 kHz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eImpedance \/ Sensitivity\u003c\/td\u003e\n      \u003ctd\u003eSelectable Output Impedance (LO \/ MID \/ SUSVARA)\u003c\/td\u003e\n      \u003ctd\u003e60 Ω \/ 83 dB Sensitivity\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAudio Inputs\u003c\/td\u003e\n      \u003ctd\u003e1x Stereo Pair Balanced XLR, 2x Stereo Pairs Unbalanced RCA\u003c\/td\u003e\n      \u003ctd\u003eDual 3.5mm Connectors on Earcups\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHeadphone Outputs\u003c\/td\u003e\n      \u003ctd\u003e1x 4-Pin Balanced XLR, 1x 6.35 mm (1\/4\") Jack\u003c\/td\u003e\n      \u003ctd\u003eDetachable Cable Included\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePre-Out Voltage \/ Impedance\u003c\/td\u003e\n      \u003ctd\u003e5.0 V RMS Max Output \/ 600 Ω Output Impedance (XLR \u0026amp; RCA)\u003c\/td\u003e\n      \u003ctd\u003e—\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInternal Wiring \u0026amp; Core\u003c\/td\u003e\n      \u003ctd\u003eUPOCC Single-Crystal Copper \/ Amorphous-Core Transformers\u003c\/td\u003e\n      \u003ctd\u003eNanometer Diaphragm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePower Consumption\u003c\/td\u003e\n      \u003ctd\u003e110 VA (230V \/ 115V AC options)\u003c\/td\u003e\n      \u003ctd\u003e—\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDimensions \u0026amp; Weight\u003c\/td\u003e\n      \u003ctd\u003e350 x 330 x 185 mm (excl. tubes) | Weight: 15.1 kg\u003c\/td\u003e\n      \u003ctd\u003eWeight: 450 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Feliks Audio","offers":[{"title":"Wenge","offer_id":52739959390474,"sku":"FELIKSAUDI-8967","price":14899.0,"currency_code":"GBP","in_stock":true},{"title":"Oak","offer_id":52739959423242,"sku":"FELIKSAUDI-8968","price":14899.0,"currency_code":"GBP","in_stock":true},{"title":"American Walnut","offer_id":52739959456010,"sku":"FELIKSAUDI-8969","price":14899.0,"currency_code":"GBP","in_stock":true},{"title":"Zebrano","offer_id":52739959488778,"sku":"FELIKSAUDI-8970","price":14899.0,"currency_code":"GBP","in_stock":true},{"title":"Amazaque","offer_id":52739959521546,"sku":"FELIKSAUDI-8971","price":14899.0,"currency_code":"GBP","in_stock":true},{"title":"Merbau","offer_id":52739959554314,"sku":"FELIKSAUDI-8972","price":14899.0,"currency_code":"GBP","in_stock":true},{"title":"Sapele","offer_id":52739959587082,"sku":"FELIKSAUDI-8973","price":14899.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/3283\/6618\/files\/feliks-audio-envy-susvara-edition-headphone-amplifier-with-susvara-og-headphones-50141-p.webp?v=1773933842","url":"https:\/\/audioemotion.co.uk\/products\/feliks-envy-sus-og","provider":"Audio Emotion Limited","version":"1.0","type":"link"}