{"product_id":"gr-bass-dual-pre-pre-ampli-364662","title":"Dual Pre Preamplifier","description":"\u003ch3\u003eA \"double preamp\" GR Bass designed for the modern bassist\u003c\/h3\u003e\u003cp\u003eThe Dual Pre embodies the GR Bass approach: a pedal format focused on \u003cstrong\u003eportability\u003c\/strong\u003e without sacrificing \u003cstrong\u003eversatility\u003c\/strong\u003e or the quality expected in professional settings. The idea is simple and highly effective: to offer a true \"control center\" for your bass sound, with \u003cstrong\u003etwo truly separate channels\u003c\/strong\u003e capable of covering both clean, defined tones and more saturated textures. Designed and manufactured in Italy with selected components, it is aimed at those who want a reliable, coherent foundation ready to withstand rehearsals, tours, and sessions.\u003c\/p\u003e\u003ch3\u003eFor which bassists and situations?\u003c\/h3\u003e\u003cp\u003eThe GR Bass Dual Pre targets musicians who want to \u003cstrong\u003esave time\u003c\/strong\u003e and \u003cstrong\u003esecure their sound\u003c\/strong\u003e everywhere. In live settings, it can become your \"pocket amp\": you arrive with your pedalboard, output in D.I., and maintain consistent tone even if the backline changes. In the studio, its two channels and signal management (including a \u003cstrong\u003eparallel output\u003c\/strong\u003e to keep a clean signal) facilitate recording: you can keep a solid clean tone and add character without losing low-end clarity.\u003c\/p\u003e\u003cp\u003eRegarding styles, it is comfortable across a wide spectrum: \u003cstrong\u003emodern funk\u003c\/strong\u003e and pop (precise attack, controlled compression), \u003cstrong\u003erock\u003c\/strong\u003e and indie (tight clean, present mids), \u003cstrong\u003emetal\u003c\/strong\u003e and punk (channel 2 overdrive to thicken the mix), as well as cleaner contexts like gospel, fusion, or variety where dynamics and definition remain priorities.\u003c\/p\u003e\u003ch3\u003eControls, routing, and key features\u003c\/h3\u003e\u003cp\u003eThe Dual Pre is built around a very usable EQ on each channel: \u003cstrong\u003eLow\u003c\/strong\u003e, \u003cstrong\u003eMid Low\u003c\/strong\u003e, \u003cstrong\u003eMid High\u003c\/strong\u003e, and \u003cstrong\u003eHigh\u003c\/strong\u003e, plus \u003cstrong\u003efrequency selections\u003c\/strong\u003e (2 frequencies for low mids and 2 frequencies for high mids). This architecture helps you dial in settings quickly: you can scoop out space for the kick drum or boost mids to highlight fingerstyle, pick, or slap playing.\u003c\/p\u003e\u003cp\u003eTwo filters complete the shaping: a \u003cstrong\u003eDeep filter\u003c\/strong\u003e to add body and a sense of depth, and a \u003cstrong\u003eBright filter\u003c\/strong\u003e to open the upper spectrum and emphasize attack. \u003cstrong\u003eChannel 2\u003c\/strong\u003e features a \u003cstrong\u003e2-mode overdrive\u003c\/strong\u003e : handy for switching from a slight \"always-on\" grit to a more pronounced saturation without rearranging your effects chain.\u003c\/p\u003e\u003cp\u003eFor practice and monitoring, there is an \u003cstrong\u003eauxiliary input\u003c\/strong\u003e (media player) and a \u003cstrong\u003eheadphone output\u003c\/strong\u003e with \u003cstrong\u003eheadphone volume\u003c\/strong\u003e and \u003cstrong\u003ededicated EQ\u003c\/strong\u003e : ideal for silent rehearsals, working on rhythmic precision, or preparing settings before soundcheck. The inclusion of a \u003cstrong\u003echromatic tuner\u003c\/strong\u003e and a \u003cstrong\u003esend\/return loop\u003c\/strong\u003e allows easy integration of your effects (modulations, delays, reverb, etc.) into a coherent setup without losing level control.\u003c\/p\u003e\u003ch3\u003eThe sound\u003c\/h3\u003e\u003cp\u003eThe personality of the GR Bass Dual Pre is based on a \"pro\" philosophy: \u003cstrong\u003edefinition\u003c\/strong\u003e, \u003cstrong\u003elow-end control\u003c\/strong\u003e, and \u003cstrong\u003eplaying dynamics\u003c\/strong\u003e. The low end remains tight, avoiding a \"muddy\" effect when pushing levels or engaging heavier compression. The mids are easily sculpted thanks to the two Mid Low and Mid High zones: you can choose a very round and discreet bass or a tone that cuts through the mix with a sharp attack.\u003c\/p\u003e\u003cp\u003eThe compressor contributes to a controlled playing feel: you can smooth for a studio finish or keep a more dynamic response by adjusting threshold and release (with its two modes) according to your technique and instrument. The channel 2 overdrive adds character without diluting the foundation: it works both to thicken a clean sound and to provide a more aggressive grit, particularly useful when the bass needs to remain present in a wall of guitars.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cstyle\u003e@media(max-width:632px){table[data-wb-spec]{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}table[data-wb-spec] colgroup{display:none}table[data-wb-spec] tbody,table[data-wb-spec] tr{display:contents}table[data-wb-spec] td{display:block;overflow-wrap:anywhere;grid-row:var(--wb-l);background-color:var(--wb-lb)}table[data-wb-spec] td[data-r]{grid-row:var(--wb-r);background-color:var(--wb-rb)}table[data-wb-spec] td[colspan=\"2\"]{grid-column:1\/-1}table[data-wb-spec] td:empty{display:none}}\u003c\/style\u003e\n\u003ctable data-wb-spec style=\"width:100%;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol 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style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003ePowered pedalboard\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eEQ\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e4 channels\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:3;--wb-r:7;--wb-lb:var(--wb-neutral-50);--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eEffects loop\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eYes\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eHeadphone output\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eYes\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr 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