{"product_id":"rolls-db14b-caja-directa-pasiva-estereo-control-volumen-rca-3-5mm-xlr-profesional","title":"ROLLS DB14B Professional Stereo Passive Direct Box with RCA, 3.5mm, and XLR Volume Control","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003cmeta name=\"description\" content=\"ROLLS DB14B: A\/V presenter passive direct box, independent volume control, 50Hz-16kHz, balanced transformer, RCA 3.5mm XLR.\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        body {\n            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n            line-height: 1.6;\n            color: #333;\n            max-width: 1200px;\n            margin: 0 auto;\n            padding: 20px;\n        }\n        h2 {\n            color: #0056b3;\n            margin-top: 30px;\n            border-left: 4px solid #007bff;\n            padding-left: 15px;\n        }\n        h3 {\n            color: #004085;\n            margin-top: 20px;\n        }\n        table {\n            width: 100%;\n            border-collapse: collapse;\n            margin: 20px 0;\n        }\n        table th {\n            background-color: #007bff;\n            color: white;\n            padding: 12px;\n            text-align: left;\n        }\n        table td {\n            border: 1px solid #ddd;\n            padding: 10px;\n        }\n        table tr:nth-child(even) {\n            background-color: #f9f9f9;\n        }\n    \u003c\/style\u003e\n\u003ch1\u003eROLLS DB14B\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eA\/V Presenter Passive Direct Box with Independent Volume Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eGeneral Description\u003c\/h2\u003e\n\u003cp\u003eThe ROLLS DB14B is a special-purpose passive direct box designed for applications where a source stereo signal can be separated with independent volume controls for each channel. This innovative device features a mono-summed XLR output, making it ideal for various applications such as A\/V presentations from laptops, choir rehearsals with music tracks, or any situation requiring stereo signal separation with individual volume control. The DB14B goes further by incorporating hum elimination through a convenient ground lift switch, ensuring a clean and interference-free audio experience. Its versatility is enhanced by the inclusion of RCA and 3.5mm (1\/8\") stereo inputs, along with two volume controls, RCA and XLR outputs, all without requiring any external power source. Manufactured by Rolls Corporation with over 40 years of experience in professional and accessible audio solutions.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eFREQUENCY RESPONSE\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eFull Range\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e50 Hz - 16 kHz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eLow Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eOptimized 50Hz-16kHz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eFlat Response\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Audio Transparency\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eINPUT LEVELS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMaximum Input Level\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e+20 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSignal Handling\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eRobust Professional Level\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eHigh - Minimal Load\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eINPUT CONNECTORS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eRCA Stereo Input\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eDual RCA Left\/Right\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003e3.5mm Input\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e1\/8\" Stereo TRS\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eInput Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eLaptop, Tablet, Smartphone, DJ\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMultiple Connectors\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Selectable\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eOUTPUT LEVELS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMaximum RCA Output Level\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e+20 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMaximum XLR Output Level\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eOutput Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eRCA Stereo + Mono Summed XLR\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eOUTPUT CONNECTORS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eRCA Output\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eStereo Left\/Right\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eXLR Output\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eBalanced Mono Male\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eBalanced Transformer\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Professional Isolation\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eCONTROLS AND FEATURES\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVolume Control\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eTwo Independent Right\/Left\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eIndividual Channel Control\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Precise Adjustment\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eGround Lift Switch\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Hum Elimination\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eNoise Elimination\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Ground Loop Isolation\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMono Summing\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Summed XLR Output\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eACOUSTIC PERFORMANCE\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eTotal Harmonic Distortion\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u0026lt; 0.1% 50Hz-16kHz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eDynamic Range\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u0026gt; 90 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eExtreme Signal Handling\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Distortion-Free\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eCONSTRUCTION AND DURABILITY\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eChassis\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eRobust Professional Metal\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eBlack Powder Coat\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eCompact Portable\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eDIMENSIONS AND WEIGHT\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eWidth (W)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e2.0\" (50 mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eHeight (H)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e4.0\" (102 mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eDepth (D)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e1.5\" (38 mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e1 lb (0.45 kg)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eOPERATIONAL FEATURES\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eFully Passive\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eNot Required - Plug \u0026amp; Play\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCable Runs\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eLong without Degradation\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSpecial Application\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eStereo Signal Separation\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eAPPLICATIONS AND COMPATIBILITY\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eA\/V Presentations\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Specialty\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eLaptop\/Computer\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eChoir Rehearsals\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Music Tracks\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eTablet\/Smartphone\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - 3.5mm Input\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eDJ Mixer\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Line Output\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eDigital Keyboard\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eIndividual Volume Control\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Each Channel\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth colspan=\"2\"\u003eACCESSORIES AND OPTIONS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eRolls Corporation - USA\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eDB14B\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSale\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003ePer unit\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eManual Available\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eYes - Downloadable\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003ch2\u003eIdeal for\u003c\/h2\u003e\n\u003cp\u003eThe ROLLS DB14B is ideal for professional presenters who require independent volume control per channel, choirs and vocal groups rehearsing with music tracks, audiovisual presentations in corporate, church, and religious settings, educators needing stereo signal separation, DJs with portable gear, live music producers, sound technicians with portable systems, users who value robust Rolls construction, any application requiring a passive direct box with independent volume control, and professionals looking for reliable hum elimination with integrated ground lift.\u003c\/p\u003e","brand":"Rolls","offers":[{"title":"Default Title","offer_id":53775017935072,"sku":"DB14B","price":2015.4,"currency_code":"MXN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/5555\/8624\/files\/81p9csmJzyL._AC_SL1500.jpg?v=1785718575","url":"https:\/\/soundcitypv.com\/en\/products\/rolls-db14b-caja-directa-pasiva-estereo-control-volumen-rca-3-5mm-xlr-profesional","provider":"Soundcity PV","version":"1.0","type":"link"}