{"product_id":"ferrum-oor-analogue-headphone-amplifier-open-box","title":"Ferrum OOR Analogue Headphone Amplifier (Open Box)","description":"\u003ch2\u003eOOR, the only headphone amplifier with a soul\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOOR fully Balanced analogue headphone amplifier\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProprietary discrete power amp technology\u003c\/li\u003e\n\u003cli\u003eProprietary 4-pin Ferrum connector for HYPSOS\u003c\/li\u003e\n\u003cli\u003eBalanced 4-pin XLR and unbalanced RCA headphone outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOOR will redefine the category of headphone amplifiers. OOR will drive any headphones effortlessly to the max of their potential, while preserving the essence of the music it amplifies. Ultra low distortion, zero fatigue, huge dynamics and unrivaled detail result in ultimate enjoyment. OOR actually makes something that is very difficult to accomplish, seem like the most natural thing on earth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTruly Balanced\u003c\/strong\u003e \u003cbr\u003eThe signal path stays truly balanced using the XLR inputs and becomes truly balanced using the RCA inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEase of use\u003c\/strong\u003e \u003cbr\u003eonly three knobs on the front panel to control the most important settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFerrum Power Link\u003c\/strong\u003e \u003cbr\u003eOOR performs very, very good right out of the box. But OOR is made to excel above and beyond when used together with HYPSOS. We use what we dubbed our Ferrum Power Link (FPL in short) to connect the two. HYPSOS then will perform to its maximum, unleashing unheard musicality from the combination with OOR.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior control\u003c\/strong\u003e \u003cbr\u003eperfected steering of output transistors protect them and never let them turn off, therefore reducing distortion to inaudible levels and keeping them in a state where they can instantly unleash all their power, crucial for high dynamics, superlative control and authority in sound.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced transparency\u003c\/strong\u003e \u003cbr\u003eThe whole design is focused on a balanced and very transparent sound signature, making listening fatigue something of the past.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiscrete design\u003c\/strong\u003e \u003cbr\u003eThe discrete power amp technology is developed in-house to achieve the best possible analog quality.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLook and behold the understated looks of OOR’s front, only to camouflage it's intricate design laid bare on the rear. 100% analogue, 100% natural, 100% musical.\u003c\/li\u003e\n\u003cli\u003eFully balanced from A to Z, even right after the RCA inputs, to get the max out of any headphones. Brightness of the logo on OOR’s front can be dimmed for ease on the eyes. Ferrum Power Link for ultimate connection with HYPSOS.\u003c\/li\u003e\n\u003cli\u003eCombine OOR with HYPSOS to unleashing unheard musicality. Together they will excel above and beyond.\u003c\/li\u003e\n\u003cli\u003eUnique output cable design: two wires delivering the power and two wires providing the feedback to ensure flat voltage at every moment. We named this technique Ferrum Power Link (FPL) and it eliminates the harmful effects of the cable's resistance effectively improving transient response. The current delivery speed at the powered device's input is significantly improved.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGain\u003ci\u003e (dB):\u003c\/i\u003e \u003c\/b\u003ebalanced -4 dB, + 6dB, +16 dB \/ single ended -10 dB, 0 dB, 10 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Fully balanced, proprietary discrete power amp technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e XLR, RCA, 2.5 mm DC connector centre positive, proprietary 4-pin DC connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e Balanced 4-pin XLR, 6.35 mm jack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e  20 Hz – 100 kHz 0.1 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Power Single Ended: \u003c\/b\u003e400 mW into 300 Ω, 2 W into 60 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Power Balanced: \u003c\/b\u003e1.600 mW into 300 Ω, 8 W into 60 Ω\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eTHD + Noise: TBA\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 94 kΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance Single Ended:\u003c\/strong\u003e 22 Ω on pre-amp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance Balanced:\u003c\/strong\u003e 44 Ω on pre-amp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput headphones Impedance:\u003c\/strong\u003e \u0026lt; 0.3 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Consumption: \u003c\/b\u003eIdle \u0026lt;15 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Adapter:\u003c\/strong\u003e 100\/240 V AC to 22-30 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimension (W x D x H) (In\/cm):\u003c\/strong\u003e 8.6 x 8.1 x 2.0 inch \/ 21.7 x 20.6 x 5 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight (kg\/lbs): \u003c\/b\u003e1.8 kg \/ 3.97 LBS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ferrum","offers":[{"title":"Default Title","offer_id":42478751875305,"sku":"OOR (OB)","price":1933.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/OOR_front_9349b5b9-50ed-4840-bd4a-22fc3cb44163.jpg?v=1762460367","url":"https:\/\/audio46.mom\/products\/ferrum-oor-analogue-headphone-amplifier-open-box","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}