{"product_id":"synergistic-research-foundation-xl-subwoofer-cable","title":"Synergistic Research Foundation XL Subwoofer Cable","description":"\u003ch2 bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":29,\"abs_x\":12,\"abs_y\":9}'\u003eSynergistic Research Foundation XL Subwoofer Cable\u003c\/h2\u003e\n\u003cp bis_size='{\"x\":12,\"y\":49,\"w\":560,\"h\":176,\"abs_x\":12,\"abs_y\":49}'\u003eFoundation XL Subwoofer Cable brings the core technologies developed for Synergistic Research's flagship SRX XL cable line to subwoofer connections, with 33% more pure silver Air Strings than Foundation SX for tighter, more textured bass with greater dynamics and transient response. Every cable uses SRX XL Matrix Shielding with Graphene and is treated with SRX XL High Voltage Conditioning, bringing Foundation XL's voicing closer to the flagship SRX XL line. Included Gold and Purple Carbon Tuning Discs let you voice the cable to your system, or run it clean. Available in RCA or XLR, and upgradeable to \u003ca href=\"\/products\/synergistic-research-sr-xlr-upgrade\" bis_size='{\"x\":12,\"y\":167,\"w\":547,\"h\":38,\"abs_x\":12,\"abs_y\":167}'\u003eSR XLR high-purity silver connectors\u003c\/a\u003e. As an authorized Synergistic Research dealer in Toronto, Canada, Vinyl Sound can help you match this subwoofer cable to your preamp and subwoofer.\u003c\/p\u003e\n\u003ch2 bis_size='{\"x\":12,\"y\":241,\"w\":560,\"h\":29,\"abs_x\":12,\"abs_y\":241}'\u003eKey Features\u003c\/h2\u003e\n\u003cul bis_size='{\"x\":12,\"y\":285,\"w\":560,\"h\":176,\"abs_x\":12,\"abs_y\":285}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":285,\"w\":520,\"h\":39,\"abs_x\":52,\"abs_y\":285}'\u003e4x (RCA) or 6x (XLR) Silver Air Strings, 99.9999% pure monocrystalline silver conductor\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":324,\"w\":520,\"h\":19,\"abs_x\":52,\"abs_y\":324}'\u003eAir (sealed) dielectric\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":344,\"w\":520,\"h\":19,\"abs_x\":52,\"abs_y\":344}'\u003eSilver Braid shield, Quantum Tunneled, SRX XL Matrix Shielding with Graphene\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":363,\"w\":520,\"h\":19,\"abs_x\":52,\"abs_y\":363}'\u003eSRX XL High Voltage Conditioning treatment\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":383,\"w\":520,\"h\":19,\"abs_x\":52,\"abs_y\":383}'\u003eIncluded Gold and Purple Carbon Fiber UEF Tuning Discs\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":402,\"w\":520,\"h\":19,\"abs_x\":52,\"abs_y\":402}'\u003eSilver Teflon SR20 RCA or Neutrik XLR connectors\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":422,\"w\":520,\"h\":19,\"abs_x\":52,\"abs_y\":422}'\u003eStandard 2-meter length\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":442,\"w\":520,\"h\":19,\"abs_x\":52,\"abs_y\":442}'\u003eUpgradeable to SR XLR high-purity silver connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 bis_size='{\"x\":12,\"y\":475,\"w\":560,\"h\":29,\"abs_x\":12,\"abs_y\":475}'\u003eCarbon Tuning Discs\u003c\/h2\u003e\n\u003cp bis_size='{\"x\":12,\"y\":515,\"w\":560,\"h\":19,\"abs_x\":12,\"abs_y\":515}'\u003eFoundation XL Subwoofer ships with Carbon Fiber UEF Tuning Discs for further voicing:\u003c\/p\u003e\n\u003cul bis_size='{\"x\":12,\"y\":551,\"w\":560,\"h\":58,\"abs_x\":12,\"abs_y\":551}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":551,\"w\":520,\"h\":39,\"abs_x\":52,\"abs_y\":551}'\u003e\n\u003cstrong bis_size='{\"x\":52,\"y\":551,\"w\":31,\"h\":19,\"abs_x\":52,\"abs_y\":551}'\u003eGold\u003c\/strong\u003e — flesh out rich harmonics with a clarifying effect for a more lifelike, holographic presentation\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":590,\"w\":520,\"h\":19,\"abs_x\":52,\"abs_y\":590}'\u003e\n\u003cstrong bis_size='{\"x\":52,\"y\":590,\"w\":42,\"h\":19,\"abs_x\":52,\"abs_y\":590}'\u003ePurple\u003c\/strong\u003e — enhanced clarity and soundstage extension beyond what Gold provides\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 bis_size='{\"x\":12,\"y\":623,\"w\":560,\"h\":29,\"abs_x\":12,\"abs_y\":623}'\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable bis_size='{\"x\":12,\"y\":663,\"w\":560,\"h\":357,\"abs_x\":12,\"abs_y\":663}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":666,\"w\":554,\"h\":351,\"abs_x\":15,\"abs_y\":666}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":666,\"w\":554,\"h\":43,\"abs_x\":15,\"abs_y\":666}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":666,\"w\":130,\"h\":43,\"abs_x\":15,\"abs_y\":666}'\u003eSilver Air Strings\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":666,\"w\":421,\"h\":43,\"abs_x\":147,\"abs_y\":666}'\u003e4x (RCA) or 6x (XLR), 99.9999% pure monocrystalline silver conductor, 4 (RCA) \/ 8 (XLR) separate conductors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":712,\"w\":554,\"h\":23,\"abs_x\":15,\"abs_y\":712}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":712,\"w\":130,\"h\":23,\"abs_x\":15,\"abs_y\":712}'\u003eDielectric\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":712,\"w\":421,\"h\":23,\"abs_x\":147,\"abs_y\":712}'\u003eAir (sealed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":737,\"w\":554,\"h\":43,\"abs_x\":15,\"abs_y\":737}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":737,\"w\":130,\"h\":43,\"abs_x\":15,\"abs_y\":737}'\u003eShielding\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":737,\"w\":421,\"h\":43,\"abs_x\":147,\"abs_y\":737}'\u003eSilver Braid, Quantum Tunneled, SRX XL Matrix Shielding with Graphene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":782,\"w\":554,\"h\":43,\"abs_x\":15,\"abs_y\":782}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":782,\"w\":130,\"h\":43,\"abs_x\":15,\"abs_y\":782}'\u003eConnectors\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":782,\"w\":421,\"h\":43,\"abs_x\":147,\"abs_y\":782}'\u003eSilver Teflon SR20 RCA or Neutrik NC3FX-BAG\/NC3MX-BAG XLR (upgradeable to SR XLR, +$400\/pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":828,\"w\":554,\"h\":43,\"abs_x\":15,\"abs_y\":828}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":828,\"w\":130,\"h\":43,\"abs_x\":15,\"abs_y\":828}'\u003eTuning discs included\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":828,\"w\":421,\"h\":43,\"abs_x\":147,\"abs_y\":828}'\u003eGold and Purple Carbon Fiber UEF Tuning Discs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":873,\"w\":554,\"h\":43,\"abs_x\":15,\"abs_y\":873}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":873,\"w\":130,\"h\":43,\"abs_x\":15,\"abs_y\":873}'\u003ePoint-to-point connections\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":873,\"w\":421,\"h\":43,\"abs_x\":147,\"abs_y\":873}'\u003e8 (RCA) \/ 12 (XLR) hand-soldered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":918,\"w\":554,\"h\":23,\"abs_x\":15,\"abs_y\":918}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":918,\"w\":130,\"h\":23,\"abs_x\":15,\"abs_y\":918}'\u003eSilver solder content\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":918,\"w\":421,\"h\":23,\"abs_x\":147,\"abs_y\":918}'\u003e4%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":943,\"w\":554,\"h\":23,\"abs_x\":15,\"abs_y\":943}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":943,\"w\":130,\"h\":23,\"abs_x\":15,\"abs_y\":943}'\u003eHand-build time\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":943,\"w\":421,\"h\":23,\"abs_x\":147,\"abs_y\":943}'\u003e2 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":969,\"w\":554,\"h\":23,\"abs_x\":15,\"abs_y\":969}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":969,\"w\":130,\"h\":23,\"abs_x\":15,\"abs_y\":969}'\u003eBurn-in\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":969,\"w\":421,\"h\":23,\"abs_x\":147,\"abs_y\":969}'\u003e5-day, 2-step process\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":995,\"w\":554,\"h\":23,\"abs_x\":15,\"abs_y\":995}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":995,\"w\":130,\"h\":23,\"abs_x\":15,\"abs_y\":995}'\u003eStandard length\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":147,\"y\":995,\"w\":421,\"h\":23,\"abs_x\":147,\"abs_y\":995}'\u003e2 meters (additional length built to order)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 bis_size='{\"x\":12,\"y\":1021,\"w\":560,\"h\":29,\"abs_x\":12,\"abs_y\":1021}'\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1061,\"w\":560,\"h\":97,\"abs_x\":12,\"abs_y\":1061}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":1061,\"w\":428,\"h\":19,\"abs_x\":12,\"abs_y\":1061}'\u003eIs this the same as the Foundation XL REL Spec Subwoofer Cable?\u003c\/strong\u003e\u003cbr bis_size='{\"x\":440,\"y\":1061,\"w\":0,\"h\":19,\"abs_x\":440,\"abs_y\":1061}'\u003eNo. This is the standard RCA\/XLR subwoofer cable for connecting a preamp's subwoofer output to a standard subwoofer input. Synergistic Research also makes a Foundation XL REL Spec Subwoofer Cable built specifically for REL subwoofers' proprietary Speakon connection, sold separately.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1175,\"w\":560,\"h\":78,\"abs_x\":12,\"abs_y\":1175}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":1175,\"w\":354,\"h\":19,\"abs_x\":12,\"abs_y\":1175}'\u003eWhat's the difference between RCA and XLR versions?\u003c\/strong\u003e\u003cbr bis_size='{\"x\":366,\"y\":1175,\"w\":0,\"h\":19,\"abs_x\":366,\"abs_y\":1175}'\u003eRCA uses 4x Silver Air String conductors; XLR uses 6x Silver Air String conductors, terminated with Neutrik XLR connectors. Choose whichever matches your preamp's subwoofer output.\u003c\/p\u003e","brand":"Synergistic Research","offers":[{"title":"2m RCA \/ Black","offer_id":49266331320572,"sku":null,"price":1000.0,"currency_code":"CAD","in_stock":true},{"title":"2m RCA \/ White","offer_id":49266331353340,"sku":null,"price":1000.0,"currency_code":"CAD","in_stock":true},{"title":"2m XLR \/ Black","offer_id":49266331648252,"sku":null,"price":1200.0,"currency_code":"CAD","in_stock":true},{"title":"2m XLR \/ White","offer_id":49266331681020,"sku":null,"price":1200.0,"currency_code":"CAD","in_stock":true},{"title":"Add. 1\/2 Meter \/ Black","offer_id":49266331975932,"sku":null,"price":260.0,"currency_code":"CAD","in_stock":true},{"title":"Add. 1\/2 Meter \/ White","offer_id":49266332008700,"sku":null,"price":260.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/1773\/0617\/files\/SynergisticResearchFoundationXLSubwooferCable.png?v=1783659791","url":"https:\/\/vinylsound.ca\/products\/synergistic-research-foundation-xl-subwoofer-cable","provider":"Vinyl Sound Canada Inc.","version":"1.0","type":"link"}