{"product_id":"velocity-rza500-2-twin-amplifier-combo","title":"Velocity RZA500.2 Twin — Dual 2-Channel Class-D Amplifier Combo for Harley-Davidson (400W RMS \/ 100W x4)","description":"\u003ch2\u003eVelocity RZA500.2 Twin Amplifier Combo – 100W x 2 for Harley-Davidson Touring\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVelocity RZA500.2 Twin Amplifier Combo\u003c\/strong\u003e delivers clean, efficient power for high-output Harley audio systems. Running two compact 100-watt amplifiers gives you the flexibility to power mids, horns, or rear 6×9 speakers with excellent clarity and headroom — all while maintaining a small footprint that fits perfectly inside Harley fairings and saddlebags.\u003c\/p\u003e\n\u003cp\u003eThis twin-amp combo is available in two configurations: a \u003cstrong\u003epremium power kit version\u003c\/strong\u003e that includes AHB’s heavy-duty waterproof wiring harness, and a \u003cstrong\u003eno-harness version\u003c\/strong\u003e for riders who already have power distribution in place.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo RZA500.2 amplifiers\u003c\/strong\u003e for flexible multi-channel configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 watts per amp\u003c\/strong\u003e — ideal for mids, horns and efficient 6×9 systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact motorcycle-specific design\u003c\/strong\u003e fits easily into Road Glide and Street Glide fairings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium waterproof power kit\u003c\/strong\u003e available (DT-RZA500 WP variant).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable, efficient Class-D topology\u003c\/strong\u003e delivers clean power with minimal heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for SPL-style staging\u003c\/strong\u003e or balanced front + rear audio builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy It Works on Harleys\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact size\u003c\/strong\u003e means easy mounting in fairings and saddlebags.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh efficiency\u003c\/strong\u003e minimises strain on the motorcycle charging system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnough power for pro mids and horns\u003c\/strong\u003e while remaining stable at volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional premium harness\u003c\/strong\u003e simplifies wiring and reduces install time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Variants\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDT-RZA500 WP\u003c\/strong\u003e — Includes premium waterproof power harness kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDT-RZA500 NP\u003c\/strong\u003e — Amplifiers only (no power kit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRecommended System Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Stage:\u003c\/strong\u003e Drive horn tweeters + midrange speakers individually.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Stage:\u003c\/strong\u003e Perfect for powering 6×9 mids or horn drivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPL Builds:\u003c\/strong\u003e Run independent channels for precise tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTouring Systems:\u003c\/strong\u003e Efficient power delivery suited to long-haul riding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHarley-Davidson \u003cstrong\u003eTouring models\u003c\/strong\u003e (Street Glide, Road Glide, Ultra, CVO, etc.)\u003c\/li\u003e\n\u003cli\u003eFits most AHB and aftermarket amp trays\u003c\/li\u003e\n\u003cli\u003eWorks with OEM or upgraded charging systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVelocity RZA500.2 (Pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100W x 2 (per amplifier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x amplifiers (4 channels total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTopology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass-D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHarness Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDT-RZA500 WP (with power kit) \/ DT-RZA500 NP (no kit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 × Velocity RZA500.2 Amplifiers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDT-RZA500 WP Variant:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003ePremium waterproof power harness\u003c\/li\u003e\n\u003cli\u003eHeavy-gauge fused power leads\u003c\/li\u003e\n\u003cli\u003eDistribution components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDT-RZA500 NP Variant:\u003c\/strong\u003e Amplifiers only\u003c\/li\u003e\n\u003cli\u003eMounting Hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNeed Help Choosing the Right Variant?\u003c\/h3\u003e\n\u003cp\u003eIf you already have a power distribution block or amp harness installed, choose \u003cstrong\u003eDT-RZA500 NP\u003c\/strong\u003e. If you want a complete wiring solution with waterproof connectors and fused lines, choose \u003cstrong\u003eDT-RZA500 WP\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Velocity Speaker Design","offers":[{"title":"Yes - Add the Harness","offer_id":50309269651703,"sku":"DT-RZA500 WP","price":1694.0,"currency_code":"AUD","in_stock":true},{"title":"No - I dont need it","offer_id":50309269684471,"sku":"DT-RZA500 NP","price":1525.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6505\/1639\/files\/Velocity-RZA500_2-Twin-Dual-2-Channel-Class-D-Amplifier-Combo-for-Harley-Davidson-400W-RMS-100W-x4.jpg?v=1779069994","url":"https:\/\/www.motorcycleaudio.com.au\/products\/velocity-rza500-2-twin-amplifier-combo","provider":"Motorcycle Audio Australia","version":"1.0","type":"link"}