{"product_id":"cerwin-vega-90x4-rms-4ch-amplifier-165w-2-ohm-90w-4-ohm-90x4-rms-4ch-amplifie-94-1024","title":"Cerwin Vega 90x4 RMS 4-Channel Amplifier - Harley \u0026 Indian V-Twin","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Cerwin Vega\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCerwin Vega parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Cerwin Vega item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eTransform your V-twin's audio system with the Cerwin Vega 90x4 RMS 4-channel amplifier. This unit delivers robust power to multiple speakers, ensuring your music is heard with clarity and punch on the open road. It's an excellent choice for riders looking to significantly enhance their motorcycle's sound profile.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePowers up to four speakers for a complete sound system\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDelivers 165W per channel at 2 ohms for powerful output\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCompact design for flexible mounting on V-twins\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOptimized for Harley-Davidson and Indian Motorcycle audio\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnhances music clarity and volume on the open road\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Cerwin Vega 90x4 RMS 4-channel amplifier is engineered specifically for V-twin motorcycle audio systems, providing ample power to drive a complete speaker setup. Whether you're powering fairing speakers, saddlebag speakers, or a combination, this amplifier ensures a dynamic and immersive listening experience. Its compact design allows for flexible mounting in various locations on your Harley-Davidson or Indian Motorcycle, without taking up valuable storage space.\u003c\/p\u003e\u003ch3\u003eVersatile Power for Multi-Speaker Setups\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDelivers 165W per channel at 2 ohms for robust speaker performance\u003c\/li\u003e\n\u003cli\u003eProvides 90W per channel at 4 ohms, offering flexibility for different speaker types\u003c\/li\u003e\n\u003cli\u003eFour-channel output supports comprehensive front and rear speaker configurations\u003c\/li\u003e\n\u003cli\u003eCompact dimensions facilitate installation under seats or in fairing compartments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExperience Your Music Like Never Before\u003c\/h3\u003e\u003cp\u003eThis amplifier is a cornerstone for any serious V-twin audio upgrade. It provides the clean, high-fidelity power necessary to make your music shine, even over the roar of your engine. Built for the demanding environment of a motorcycle, it offers reliable performance ride after ride. Pair it with quality aftermarket speakers to unlock the full potential of your bike's sound system.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Cerwin Vega\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e B54\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 847169024252\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 15.4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 11.4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 7.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.5 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China (Mainland)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eCan I use this amplifier for both front and rear speakers?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, with its four channels, this amplifier is ideal for powering both front (fairing) and rear (saddlebag or tour-pak) speakers, allowing you to create a balanced and full-range sound experience on your V-twin.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of a 2-ohm vs. 4-ohm speaker setup with this amp?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eA 2-ohm setup will draw more power from the amplifier (165W per channel), resulting in louder output, while a 4-ohm setup (90W per channel) is generally more stable and can be easier on the amplifier over long periods. Choose based on your speakers' ratings and desired volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this amplifier fit in my fairing?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis amplifier features a compact design, making it suitable for many fairing compartments on Harley-Davidson and Indian Motorcycle models. We recommend measuring your available space to confirm fitment before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Audio\/Visual\/Communication\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cerwin Vega\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cerwin-vega\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cerwin Vega 90x4 RMS 4-Channel Amplifier - Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cerwin-vega-90x4-rms-4ch-amplifier-165w-2-ohm-90w-4-ohm-90x4-rms-4ch-amplifie-94-1024\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Can I use this amplifier for both front and rear speakers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, with its four channels, this amplifier is ideal for powering both front (fairing) and rear (saddlebag or tour-pak) speakers, allowing you to create a balanced and full-range sound experience on your V-twin.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of a 2-ohm vs. 4-ohm speaker setup with this amp?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 2-ohm setup will draw more power from the amplifier (165W per channel), resulting in louder output, while a 4-ohm setup (90W per channel) is generally more stable and can be easier on the amplifier over long periods. Choose based on your speakers' ratings and desired volume.\"}},{\"@type\":\"Question\",\"name\":\"Will this amplifier fit in my fairing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This amplifier features a compact design, making it suitable for many fairing compartments on Harley-Davidson and Indian Motorcycle models. We recommend measuring your available space to confirm fitment before purchasing.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cerwin Vega","offers":[{"title":"Default Title","offer_id":53036098388079,"sku":"94-1024","price":359.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/2c2b-6765e6543191c.jpg?v=1777531677","url":"https:\/\/vtwinbikers.com\/products\/cerwin-vega-90x4-rms-4ch-amplifier-165w-2-ohm-90w-4-ohm-90x4-rms-4ch-amplifie-94-1024","provider":"Vtwinbikers","version":"1.0","type":"link"}