{"product_id":"topping-pre90-ext90","title":"TOPPING Pre90 \u0026 Ext90 – High-End Balanced Preamplifier Expansion Combo","description":"\u003ch2 data-start=\"629\" data-end=\"704\"\u003e\u003cstrong data-start=\"632\" data-end=\"704\"\u003eTOPPING Pre90 \u0026amp; Ext90 – Reference-Class Balanced Preamplifier System\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"706\" data-end=\"724\"\u003e\u003cstrong data-start=\"710\" data-end=\"722\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"725\" data-end=\"1116\"\u003eThe \u003cstrong data-start=\"729\" data-end=\"746\"\u003eTOPPING Pre90\u003c\/strong\u003e and its companion \u003cstrong data-start=\"765\" data-end=\"774\"\u003eExt90\u003c\/strong\u003e expansion unit form a \u003cstrong data-start=\"797\" data-end=\"845\"\u003emodular, reference-grade preamplifier system\u003c\/strong\u003e that redefines transparency and control in a compact form factor. Built on TOPPING’s award-winning amplifier architecture, the Pre90 delivers \u003cstrong data-start=\"988\" data-end=\"1032\"\u003eultra-low distortion, high dynamic range\u003c\/strong\u003e, and \u003cstrong data-start=\"1038\" data-end=\"1072\"\u003eprecision relay volume control\u003c\/strong\u003e for audiophiles and studio professionals.\u003c\/p\u003e\n\u003cp data-start=\"1118\" data-end=\"1335\"\u003eWhen combined with the Ext90, users gain \u003cstrong data-start=\"1159\" data-end=\"1194\"\u003efour additional balanced inputs\u003c\/strong\u003e, transforming the setup into a complete control hub for multiple high-end audio sources — perfect for DACs, amplifiers, and active monitors.\u003c\/p\u003e\n\u003chr data-start=\"1337\" data-end=\"1340\"\u003e\n\u003ch3 data-start=\"1342\" data-end=\"1362\"\u003e\u003cstrong data-start=\"1346\" data-end=\"1362\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"1364\" data-end=\"1411\"\u003e🎛️ \u003cstrong data-start=\"1373\" data-end=\"1409\"\u003eReference-Class Preamplification\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul data-start=\"1412\" data-end=\"1675\"\u003e\n\u003cli data-start=\"1412\" data-end=\"1489\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1489\"\u003eUltra-low \u003cstrong data-start=\"1424\" data-end=\"1445\"\u003eTHD+N of 0.00006%\u003c\/strong\u003e ensures transparent signal amplification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1490\" data-end=\"1573\"\u003e\n\u003cp data-start=\"1492\" data-end=\"1573\"\u003e\u003cstrong data-start=\"1492\" data-end=\"1518\"\u003eDynamic range \u0026gt; 145 dB\u003c\/strong\u003e, preserving every micro-detail of your source audio.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1574\" data-end=\"1675\"\u003e\n\u003cp data-start=\"1576\" data-end=\"1675\"\u003e\u003cstrong data-start=\"1576\" data-end=\"1610\"\u003eRelay-controlled volume system\u003c\/strong\u003e for precise 0.5 dB step adjustments with zero channel imbalance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1677\" data-end=\"1732\"\u003e⚙️ \u003cstrong data-start=\"1685\" data-end=\"1730\"\u003eExpandable Input Flexibility (with Ext90)\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul data-start=\"1733\" data-end=\"2016\"\u003e\n\u003cli data-start=\"1733\" data-end=\"1794\"\u003e\n\u003cp data-start=\"1735\" data-end=\"1794\"\u003eThe \u003cstrong data-start=\"1739\" data-end=\"1748\"\u003ePre90\u003c\/strong\u003e alone offers \u003cstrong data-start=\"1762\" data-end=\"1791\"\u003eone XLR and one RCA input\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1795\" data-end=\"1929\"\u003e\n\u003cp data-start=\"1797\" data-end=\"1929\"\u003eAdd the \u003cstrong data-start=\"1805\" data-end=\"1814\"\u003eExt90\u003c\/strong\u003e to unlock \u003cstrong data-start=\"1825\" data-end=\"1860\"\u003ethree extra XLR + one extra RCA\u003c\/strong\u003e inputs for a total of \u003cstrong data-start=\"1883\" data-end=\"1926\"\u003efour balanced and two unbalanced inputs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1930\" data-end=\"2016\"\u003e\n\u003cp data-start=\"1932\" data-end=\"2016\"\u003ePerfect for multi-source setups — DACs, CD players, streamers, and audio interfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2018\" data-end=\"2053\"\u003e🔊 \u003cstrong data-start=\"2026\" data-end=\"2051\"\u003eFully Balanced Design\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul data-start=\"2054\" data-end=\"2258\"\u003e\n\u003cli data-start=\"2054\" data-end=\"2150\"\u003e\n\u003cp data-start=\"2056\" data-end=\"2150\"\u003eIndependent left\/right channels with fully balanced signal paths reduce noise and crosstalk.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2151\" data-end=\"2258\"\u003e\n\u003cp data-start=\"2153\" data-end=\"2258\"\u003eSupports \u003cstrong data-start=\"2162\" data-end=\"2180\"\u003ebalanced (XLR)\u003c\/strong\u003e and \u003cstrong data-start=\"2185\" data-end=\"2205\"\u003eunbalanced (RCA)\u003c\/strong\u003e outputs for seamless integration with any amplifier.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2260\" data-end=\"2300\"\u003e🧠 \u003cstrong data-start=\"2268\" data-end=\"2298\"\u003eIntelligent Control System\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul data-start=\"2301\" data-end=\"2474\"\u003e\n\u003cli data-start=\"2301\" data-end=\"2392\"\u003e\n\u003cp data-start=\"2303\" data-end=\"2392\"\u003e\u003cstrong data-start=\"2303\" data-end=\"2319\"\u003eOLED display\u003c\/strong\u003e and \u003cstrong data-start=\"2324\" data-end=\"2342\"\u003eremote control\u003c\/strong\u003e for easy source switching and volume operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2393\" data-end=\"2474\"\u003e\n\u003cp data-start=\"2395\" data-end=\"2474\"\u003e\u003cstrong data-start=\"2395\" data-end=\"2414\"\u003eMemory function\u003c\/strong\u003e retains volume levels for each input channel automatically.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2476\" data-end=\"2521\"\u003e💎 \u003cstrong data-start=\"2484\" data-end=\"2519\"\u003eElegant and Robust Construction\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul data-start=\"2522\" data-end=\"2665\"\u003e\n\u003cli data-start=\"2522\" data-end=\"2600\"\u003e\n\u003cp data-start=\"2524\" data-end=\"2600\"\u003eCNC-machined aluminum chassis for superior shielding and heat dissipation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2601\" data-end=\"2665\"\u003e\n\u003cp data-start=\"2603\" data-end=\"2665\"\u003eCompact 22 mm footprint ideal for desktop or rack integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2667\" data-end=\"2670\"\u003e\n\u003ch3 data-start=\"2672\" data-end=\"2694\"\u003e\u003cstrong data-start=\"2676\" data-end=\"2694\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2696\" data-end=\"3149\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2696\" data-end=\"2737\"\u003e\n\u003ctr data-start=\"2696\" data-end=\"2737\"\u003e\n\u003cth data-start=\"2696\" data-end=\"2712\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2698\" data-end=\"2711\"\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"2712\" data-end=\"2724\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2714\" data-end=\"2723\"\u003ePre90\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"2724\" data-end=\"2737\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2726\" data-end=\"2735\"\u003eExt90\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2782\" data-end=\"3149\"\u003e\n\u003ctr data-start=\"2782\" data-end=\"2826\"\u003e\n\u003ctd data-start=\"2782\" data-end=\"2791\" data-col-size=\"sm\"\u003eInputs\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2791\" data-end=\"2808\"\u003e1× XLR, 1× RCA\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2808\" data-end=\"2826\"\u003e3× XLR, 1× RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2827\" data-end=\"2859\"\u003e\n\u003ctd data-start=\"2827\" data-end=\"2837\" data-col-size=\"sm\"\u003eOutputs\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2837\" data-end=\"2854\"\u003e1× XLR, 1× RCA\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2854\" data-end=\"2859\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2860\" data-end=\"2886\"\u003e\n\u003ctd data-start=\"2860\" data-end=\"2868\" data-col-size=\"sm\"\u003eTHD+N\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2868\" data-end=\"2881\"\u003e\u0026lt; 0.00006%\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2881\" data-end=\"2886\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2887\" data-end=\"2919\"\u003e\n\u003ctd data-start=\"2887\" data-end=\"2903\" data-col-size=\"sm\"\u003eDynamic Range\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2903\" data-end=\"2914\"\u003e\u0026gt; 145 dB\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2914\" data-end=\"2919\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2920\" data-end=\"2973\"\u003e\n\u003ctd data-start=\"2920\" data-end=\"2941\" data-col-size=\"sm\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2941\" data-end=\"2968\"\u003e20 Hz – 40 kHz (±0.1 dB)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2968\" data-end=\"2973\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2974\" data-end=\"3030\"\u003e\n\u003ctd data-start=\"2974\" data-end=\"2991\" data-col-size=\"sm\"\u003eVolume Control\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2991\" data-end=\"3025\"\u003eRelay Attenuator (0.5 dB steps)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3025\" data-end=\"3030\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3031\" data-end=\"3065\"\u003e\n\u003ctd data-start=\"3031\" data-end=\"3049\" data-col-size=\"sm\"\u003eChannel Balance\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3049\" data-end=\"3060\"\u003e\u0026lt; 0.3 dB\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3060\" data-end=\"3065\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3066\" data-end=\"3120\"\u003e\n\u003ctd data-start=\"3066\" data-end=\"3079\" data-col-size=\"sm\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3079\" data-end=\"3099\"\u003e174 × 138 × 45 mm\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3099\" data-end=\"3120\"\u003e174 × 138 × 45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3121\" data-end=\"3149\"\u003e\n\u003ctd data-start=\"3121\" data-end=\"3130\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-start=\"3130\" data-end=\"3138\" data-col-size=\"sm\"\u003e~1 kg\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3138\" data-end=\"3149\"\u003e~0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"3151\" data-end=\"3154\"\u003e\n\u003ch3 data-start=\"3156\" data-end=\"3196\"\u003e\u003cstrong data-start=\"3160\" data-end=\"3196\"\u003eWhy Choose TOPPING Pre90 \u0026amp; Ext90\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3198\" data-end=\"3677\"\u003e\n\u003cli data-start=\"3198\" data-end=\"3277\"\u003e\n\u003cp data-start=\"3200\" data-end=\"3277\"\u003e\u003cstrong data-start=\"3200\" data-end=\"3229\"\u003eStudio-grade transparency\u003c\/strong\u003e: preserve pure sound from your DAC or source.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3278\" data-end=\"3364\"\u003e\n\u003cp data-start=\"3280\" data-end=\"3364\"\u003e\u003cstrong data-start=\"3280\" data-end=\"3305\"\u003eModular expandability\u003c\/strong\u003e: easily scale from two to six input channels with Ext90.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3365\" data-end=\"3459\"\u003e\n\u003cp data-start=\"3367\" data-end=\"3459\"\u003e\u003cstrong data-start=\"3367\" data-end=\"3395\"\u003ePrecision volume control\u003c\/strong\u003e using relay resistors — no digital compression, no imbalance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3460\" data-end=\"3545\"\u003e\n\u003cp data-start=\"3462\" data-end=\"3545\"\u003e\u003cstrong data-start=\"3462\" data-end=\"3487\"\u003eBalanced architecture\u003c\/strong\u003e ensures noise-free performance even in complex systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3546\" data-end=\"3677\"\u003e\n\u003cp data-start=\"3548\" data-end=\"3677\"\u003e\u003cstrong data-start=\"3548\" data-end=\"3590\"\u003eMinimalist design, maximum performance\u003c\/strong\u003e — the ideal companion for \u003cstrong data-start=\"3617\" data-end=\"3633\"\u003eTOPPING LA90\u003c\/strong\u003e, \u003cstrong data-start=\"3635\" data-end=\"3646\"\u003eD90 III\u003c\/strong\u003e, or other high-end amplifiers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOPPING","offers":[{"title":"Silver \/ Pre90 \/ US","offer_id":43756366037085,"sku":null,"price":519.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Pre90 \/ EU","offer_id":43756366069853,"sku":null,"price":519.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Pre90 \/ UK","offer_id":43756366102621,"sku":null,"price":519.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Pre90 \/ AU","offer_id":43756366135389,"sku":null,"price":519.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Ext90 \/ US","offer_id":43756435374173,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Ext90 \/ EU","offer_id":43756435406941,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Ext90 \/ UK","offer_id":43756435439709,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Ext90 \/ AU","offer_id":43756435472477,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Pre90 \/ US","offer_id":43762081824861,"sku":null,"price":519.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Pre90 \/ EU","offer_id":43762081857629,"sku":null,"price":519.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Pre90 \/ UK","offer_id":43762081890397,"sku":null,"price":519.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Pre90 \/ AU","offer_id":43762081923165,"sku":null,"price":519.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Ext90 \/ US","offer_id":43762081955933,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Ext90 \/ EU","offer_id":43762081988701,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Ext90 \/ UK","offer_id":43762082021469,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Ext90 \/ AU","offer_id":43762082054237,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/TOPPINGPre90_002.webp?v=1761913138","url":"https:\/\/emiuzek.com\/ja\/products\/topping-pre90-ext90","provider":"EMiUZEK","version":"1.0","type":"link"}