{"product_id":"adastra-rs480-100v-line-slave-amplifier-480w","title":"Adastra RS480 480W 100V Line Slave Amplifier","description":"\u003cp data-start=\"531\" data-end=\"900\"\u003eThe Adastra RS480 is a high-power 480W 100V line slave amplifier engineered to expand and reinforce large-scale commercial audio systems. Designed for professional installation environments, it delivers efficient Class-D amplification within a robust 2U rack-mount chassis, making it an ideal solution for venues requiring increased power and extended speaker coverage.\u003c\/p\u003e\n\u003cp data-start=\"902\" data-end=\"1107\"\u003eBuilt for scalability and ease of integration, the RS480 allows installers to expand existing systems without replacing core equipment, providing a cost-effective route to higher output and wider coverage.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1hp2v6c\" data-start=\"1109\" data-end=\"1160\"\u003eHigh Power Output for Large-Scale Installations\u003c\/h3\u003e\n\u003cp data-start=\"1162\" data-end=\"1435\"\u003eWith a 480W RMS output, the RS480 is the most powerful model within the RS Series, designed to support demanding distributed audio systems. It provides the headroom required for large venues, ensuring consistent performance across extended speaker lines and multiple zones.\u003c\/p\u003e\n\u003cp data-start=\"1437\" data-end=\"1477\"\u003eThis makes it particularly suitable for:\u003c\/p\u003e\n\u003cul data-start=\"1478\" data-end=\"1710\"\u003e\n\u003cli data-section-id=\"yl8f15\" data-start=\"1478\" data-end=\"1522\"\u003eLarge retail stores and shopping centres\u003c\/li\u003e\n\u003cli data-section-id=\"6tdkbk\" data-start=\"1523\" data-end=\"1591\"\u003eBars, pubs, and restaurants with extensive coverage requirements\u003c\/li\u003e\n\u003cli data-section-id=\"1107lrl\" data-start=\"1592\" data-end=\"1632\"\u003eWarehouses and industrial facilities\u003c\/li\u003e\n\u003cli data-section-id=\"15dr2pk\" data-start=\"1633\" data-end=\"1676\"\u003eSchools, colleges, and public buildings\u003c\/li\u003e\n\u003cli data-section-id=\"1whbihw\" data-start=\"1677\" data-end=\"1710\"\u003eHotels and hospitality venues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1712\" data-end=\"1854\"\u003eIts high output ensures clear and consistent audio even across long cable runs and high speaker loads. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"n6cntj\" data-start=\"1856\" data-end=\"1900\"\u003eDesigned for Expanding 100V Line Systems\u003c\/h3\u003e\n\u003cp data-start=\"1902\" data-end=\"2066\"\u003eThe RS480 is purpose-built as a slave amplifier, meaning it accepts a line-level signal from a mixer or master amplifier and boosts it to drive additional speakers.\u003c\/p\u003e\n\u003cp data-start=\"2068\" data-end=\"2381\"\u003eA key feature is its \u003cstrong data-start=\"2089\" data-end=\"2113\"\u003ededicated 100V input\u003c\/strong\u003e, allowing the amplifier to connect directly to an existing 100V speaker line. This enables system expansion from virtually any point in the installation, reducing the need for additional signal cabling and simplifying upgrades. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2383\" data-end=\"2410\"\u003eThis approach is ideal for:\u003c\/p\u003e\n\u003cul data-start=\"2411\" data-end=\"2548\"\u003e\n\u003cli data-section-id=\"2fuic9\" data-start=\"2411\" data-end=\"2462\"\u003eExtending existing audio systems into new areas\u003c\/li\u003e\n\u003cli data-section-id=\"ju0mnl\" data-start=\"2463\" data-end=\"2510\"\u003eIncreasing system capacity without redesign\u003c\/li\u003e\n\u003cli data-section-id=\"115yt3q\" data-start=\"2511\" data-end=\"2548\"\u003eScaling installations efficiently\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qsyzio\" data-start=\"2550\" data-end=\"2585\"\u003eEfficient Class-D Amplification\u003c\/h3\u003e\n\u003cp data-start=\"2587\" data-end=\"2729\"\u003eThe RS480 utilises Class-D amplifier technology, delivering high output with improved efficiency and reduced heat generation. This results in:\u003c\/p\u003e\n\u003cul data-start=\"2731\" data-end=\"2889\"\u003e\n\u003cli data-section-id=\"akvey9\" data-start=\"2731\" data-end=\"2758\"\u003eLower power consumption\u003c\/li\u003e\n\u003cli data-section-id=\"1ubfnlb\" data-start=\"2759\" data-end=\"2791\"\u003eReduced cooling requirements\u003c\/li\u003e\n\u003cli data-section-id=\"1latzwb\" data-start=\"2792\" data-end=\"2839\"\u003eLightweight construction relative to output\u003c\/li\u003e\n\u003cli data-section-id=\"1nnua3\" data-start=\"2840\" data-end=\"2889\"\u003eReliable performance for continuous operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2891\" data-end=\"3039\"\u003eThis makes it well suited to commercial environments where systems are expected to run for extended periods. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1jqbsx2\" data-start=\"3041\" data-end=\"3089\"\u003eFlexible Connectivity and System Integration\u003c\/h3\u003e\n\u003cp data-start=\"3091\" data-end=\"3181\"\u003eThe RS480 offers comprehensive connectivity options to suit a wide range of installations:\u003c\/p\u003e\n\u003cul data-start=\"3183\" data-end=\"3393\"\u003e\n\u003cli data-section-id=\"1nysauy\" data-start=\"3183\" data-end=\"3232\"\u003eLine-level inputs via RCA and screw terminals\u003c\/li\u003e\n\u003cli data-section-id=\"1s19v1\" data-start=\"3233\" data-end=\"3285\"\u003eLine outputs for cascading additional amplifiers\u003c\/li\u003e\n\u003cli data-section-id=\"1f15bqr\" data-start=\"3286\" data-end=\"3328\"\u003e100V input for direct system expansion\u003c\/li\u003e\n\u003cli data-section-id=\"1qv8bex\" data-start=\"3329\" data-end=\"3393\"\u003eSpeaker outputs for both 100V line and low impedance systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3395\" data-end=\"3566\"\u003eSlave input and output connections allow multiple amplifiers to be daisy-chained, enabling scalable system design for large venues. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1o6rjgf\" data-start=\"3568\" data-end=\"3615\"\u003eDual Operation: 100V Line and Low Impedance\u003c\/h3\u003e\n\u003cp data-start=\"3617\" data-end=\"3869\"\u003eIn addition to 100V line operation, the RS480 supports low impedance speaker configurations, stable down to 2 Ohms. This provides flexibility for installers working across different system types or hybrid setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3871\" data-end=\"3928\"\u003eThis dual functionality allows the amplifier to adapt to:\u003c\/p\u003e\n\u003cul data-start=\"3929\" data-end=\"4035\"\u003e\n\u003cli data-section-id=\"19cvzrp\" data-start=\"3929\" data-end=\"3968\"\u003eDistributed ceiling speaker systems\u003c\/li\u003e\n\u003cli data-section-id=\"1j5t465\" data-start=\"3969\" data-end=\"4005\"\u003eLow impedance loudspeaker setups\u003c\/li\u003e\n\u003cli data-section-id=\"1xcxsae\" data-start=\"4006\" data-end=\"4035\"\u003eMixed system environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1sheziw\" data-start=\"4037\" data-end=\"4067\"\u003eEmergency Mute Integration\u003c\/h3\u003e\n\u003cp data-start=\"4069\" data-end=\"4252\"\u003eThe RS480 includes a 24V mute input, allowing integration with fire alarm or emergency systems. When triggered, the amplifier can mute audio output to prioritise safety announcements.\u003c\/p\u003e\n\u003cp data-start=\"4254\" data-end=\"4290\"\u003eThis is essential for compliance in:\u003c\/p\u003e\n\u003cul data-start=\"4291\" data-end=\"4389\"\u003e\n\u003cli data-section-id=\"xphvkc\" data-start=\"4291\" data-end=\"4311\"\u003ePublic buildings\u003c\/li\u003e\n\u003cli data-section-id=\"1ix8gjl\" data-start=\"4312\" data-end=\"4336\"\u003eEducation facilities\u003c\/li\u003e\n\u003cli data-section-id=\"1teyoz6\" data-start=\"4337\" data-end=\"4360\"\u003eCommercial premises\u003c\/li\u003e\n\u003cli data-section-id=\"1hwjdxa\" data-start=\"4361\" data-end=\"4389\"\u003eHospitality environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4391\" data-end=\"4518\"\u003eIt ensures the system meets modern safety standards without compromising functionality. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1x9ycph\" data-start=\"4520\" data-end=\"4554\"\u003eInstallation-Ready Rack Design\u003c\/h3\u003e\n\u003cp data-start=\"4556\" data-end=\"4828\"\u003eHoused in a standard 2U 19-inch rack format, the RS480 is designed for straightforward installation into AV racks and equipment cabinets. Its durable construction ensures long-term reliability, while front-panel controls and LED indicators provide clear system monitoring.\u003c\/p\u003e\n\u003cp data-start=\"4830\" data-end=\"4927\"\u003eThe compact yet powerful design makes it suitable for both new installations and system upgrades.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1wnq3ka\" data-start=\"4929\" data-end=\"4951\"\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp data-start=\"4953\" data-end=\"5027\"\u003eThe Adastra RS480 is widely deployed across commercial audio environments:\u003c\/p\u003e\n\u003cul data-start=\"5029\" data-end=\"5222\"\u003e\n\u003cli data-section-id=\"1k8lvqx\" data-start=\"5029\" data-end=\"5069\"\u003eLarge-scale background music systems\u003c\/li\u003e\n\u003cli data-section-id=\"1i3mkjg\" data-start=\"5070\" data-end=\"5103\"\u003eMulti-zone hospitality venues\u003c\/li\u003e\n\u003cli data-section-id=\"d5xgqw\" data-start=\"5104\" data-end=\"5135\"\u003eRetail and shopping centres\u003c\/li\u003e\n\u003cli data-section-id=\"uba76r\" data-start=\"5136\" data-end=\"5179\"\u003ePublic address and announcement systems\u003c\/li\u003e\n\u003cli data-section-id=\"1plxlda\" data-start=\"5180\" data-end=\"5222\"\u003eIndustrial and warehouse installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5224\" data-end=\"5338\"\u003eIts ability to expand existing systems makes it a practical and cost-effective solution for growing installations.\u003c\/p\u003e","brand":"Adastra","offers":[{"title":"Default Title","offer_id":56320914227586,"sku":"953.204UK","price":399.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5767\/2578\/files\/RS480Front.png?v=1770386453","url":"https:\/\/www.theavbarn.co.uk\/products\/adastra-rs480-100v-line-slave-amplifier-480w","provider":"The AV Barn","version":"1.0","type":"link"}