{"product_id":"focusrite-isa-two-2-channel-rack-mount-microphone-preamplifier","title":"Focusrite ISA Two 2‑Channel Rack‑Mount Microphone Preamplifier","description":"\u003cdiv class=\"product-description\"\u003e   \u003ch2\u003eFocusrite ISA Two 2‑Channel Rack‑Mount Microphone Preamplifier\u003c\/h2\u003e      \u003cp\u003eThe Focusrite ISA Two brings two independent, legendary ISA 110‑derived microphone preamps into a compact 1U rack format. Combining Lundahl LL1538 transformer input stages with rotary gain control and variable impedance, it offers both the classic Focusrite warmth and modern flexibility for high-quality analog signal capture.\u003c\/p\u003e      \u003cp\u003eEach channel features front‑panel instrument and rear‑panel line\/mic inputs, switchable impedance, individual high‑pass filters, inserts, and LED metering calibrated via rear‑panel trim—making it a powerful studio-quality unit for vocal, instrument, or stereo tracking.\u003c\/p\u003e      \u003ch3\u003eKey Features\u003c\/h3\u003e   \u003cul\u003e     \u003cli\u003e \u003cstrong\u003eInputs:\u003c\/strong\u003e Mic (XLR), Line (TRS), front-panel DI (¼″ TS); switchable input impedance (Low: 600 Ω, ISA 110: 1.4 kΩ, Medium: 2.4 kΩ, High: 6.8 kΩ)\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eGain:\u003c\/strong\u003e Up to 80 dB of clean gain (60 dB stepped + 20 dB trim)\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eHigh-Pass Filter:\u003c\/strong\u003e Smooth 18 dB\/octave filter, variable from 16 Hz to 420 Hz\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eInserts:\u003c\/strong\u003e Balanced insert send\/return per channel for external processing\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eMetering:\u003c\/strong\u003e Front-panel 8‑segment LED meters with rear-panel calibration\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eTransformers:\u003c\/strong\u003e Lundahl LL1538 input transformers—same as the original ISA 110 design\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eConnectivity:\u003c\/strong\u003e Rear-panel mic, line, insert, and output jacks; IEC power input, calibration knob\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003ePower \u0026amp; Environment:\u003c\/strong\u003e Internal universal power supply (100–240 VAC, 35W). 1U rack height; requires ~75 mm rear clearance; max ambient temp 40 °C\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eWarranty:\u003c\/strong\u003e 3‑year manufacturer’s warranty\u003c\/li\u003e   \u003c\/ul\u003e      \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e   \u003cul\u003e     \u003cli\u003e \u003cstrong\u003eDimensions:\u003c\/strong\u003e 19.0\" (W) × 12.8\" (D) × 1.7\" (H) (~482 × 325 × 44 mm)\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eWeight:\u003c\/strong\u003e 3.7 kg (8.12 lb)\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eHigh-Pass Filter:\u003c\/strong\u003e 18 dB\/octave, 16–420 Hz\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eMaximum Gain (Mic):\u003c\/strong\u003e Up to 80 dB total\u003c\/li\u003e     \u003cli\u003e \u003cstrong\u003eOperating Power:\u003c\/strong\u003e 100–240 VAC, 35 W\u003c\/li\u003e   \u003c\/ul\u003e      \u003ch3\u003eWhat's Included\u003c\/h3\u003e   \u003cul\u003e     \u003cli\u003e1x ISA Two 1U rack-mounted mic preamp unit\u003c\/li\u003e     \u003cli\u003e1x IEC mains power cable\u003c\/li\u003e   \u003c\/ul\u003e \u003c\/div\u003e","brand":"ToneCraft Gear","offers":[{"title":"Default Title","offer_id":68181610037552,"sku":"FOCUSRT-ISATWO-AMSISA2","price":772.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/3067\/6272\/files\/1-focusrite-isatwo_666bd161-38bc-400c-89af-33e656ac08cf.jpg?v=1793016345","url":"https:\/\/tonecraftgear.shop\/products\/focusrite-isa-two-2-channel-rack-mount-microphone-preamplifier","provider":"ToneCraft Gear","version":"1.0","type":"link"}