{"product_id":"rel-s550-sub","title":"REL Acoustics S\/550 Subwoofer","description":"\u003cp\u003eThe \u003cstrong\u003eREL Acoustics S\/550\u003c\/strong\u003e serves as the gateway to REL’s prestigious Serie S line, delivering speed, subterranean depth, and refined musicality in a compact chassis. Engineered with a front-firing 10-inch CarbonAlloy™ active driver and a down-firing 12-inch flat carbon passive radiator, the S\/550 reaches down to an impressive -6 dB at 19 Hz. Its newly redesigned cabinet is lower, wider, and deeper to provide added internal volume while reducing visual mass, complete with carved side strakes and titanium-accented handles.\u003c\/p\u003e\n\n\u003cp\u003eAt the heart of the S\/550 is a 550W RMS (600W continuous) Pure Class D amplifier, supported by premium polypropylene capacitors and REL’s second-generation PerfectFilter™. Featuring REL's iconic 100% analog High Level Neutrik Speakon input alongside simultaneous .1\/LFE RCA and XLR connections, the S\/550 seamlessly blends with main speakers for music while simultaneously handling cinematic low-frequency effects. Designed to grow alongside your system, the S\/550 supports vertical REL Line Array stacking and optional zero-compression Airship Direct™ wireless connectivity.\u003c\/p\u003e\n\n\u003ch3\u003eKEY FEATURES \u0026amp; PROPRIETARY TECHNOLOGIES\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReengineered 10-Inch CarbonAlloy™ Active Driver:\u003c\/strong\u003e Features a pure carbon fibre cap, cast alloy chassis, and extended suspension travel for rapid transient response and effortless output.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eDown-Firing 12-Inch Carbon Passive Radiator:\u003c\/strong\u003e Flat carbon\/carbon passive cone enhances low-frequency efficiency and acoustic reinforcement in medium-sized spaces.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e550W Pure Class D Amplifier Stage:\u003c\/strong\u003e Delivers 550 Watts RMS (600W continuous) with 50% more crest power than previous generations, fed by reference-grade polypropylene capacitors and PerfectFilter™ technology.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e100% Analog High-Level \u0026amp; Simultaneous .1\/LFE Inputs:\u003c\/strong\u003e High-Level Neutrik Speakon input taps directly into main amplifier speaker outputs to preserve system tonality, operating simultaneously with LFE for dual music\/movie integration.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSerie S Line Array Scalability:\u003c\/strong\u003e Mechanical coupling points enable vertical stacking into 2-, 4-, or 6-unit Line Arrays for floor-to-ceiling dynamic authority and soundstaging.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eAirship Direct™ Wireless Capability:\u003c\/strong\u003e Rear-panel support for REL’s optional wireless module, transmitting uncompressed wide-bandwidth High-Level and .1\/LFE signals without cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\n\u003ctable style=\"width: 100%;\"\u003e\n\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSubwoofer Type\u003c\/td\u003e\n      \u003ctd\u003eFront-Firing Active Driver with Down-Firing Passive Radiator\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eActive Driver\u003c\/td\u003e\n      \u003ctd\u003e10\" (250 mm) Long-Throw CarbonAlloy™ Cone, Die-Cast Alloy Chassis\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePassive Radiator\u003c\/td\u003e\n      \u003ctd\u003e12\" (305 mm) Carbon\/Carbon Flat Cone Structure, Steel Chassis\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLower Frequency Extension\u003c\/td\u003e\n      \u003ctd\u003e-6 dB at 19 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAmplifier Power Output\u003c\/td\u003e\n      \u003ctd\u003e550 Watts RMS (Linear Class D)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInput Connectors\u003c\/td\u003e\n      \u003ctd\u003eHigh-Level Neutrik Speakon, Low-Level Stereo RCA, (1) LFE RCA, (1) LFE XLR\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutput Connectors\u003c\/td\u003e\n      \u003ctd\u003eHigh-Level Neutrik Speakon, Low-Level Stereo RCA, (1) LFE RCA or (1) LFE XLR\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFilter Architecture\u003c\/td\u003e\n      \u003ctd\u003e100% Analog Pure Filter Network with PerfectFilter™ Technology\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWireless Compatibility\u003c\/td\u003e\n      \u003ctd\u003eREL Airship Direct Receiver Support (Transmitter Sold Separately)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLine Array Compatibility\u003c\/td\u003e\n      \u003ctd\u003eStackable (Supports 2 to 6-unit Stereo\/Mono Line Array Configurations)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProtection Systems\u003c\/td\u003e\n      \u003ctd\u003eFully Electronic Set Safe, D.C. Fault, Output Short Protection\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMains Input Voltage\u003c\/td\u003e\n      \u003ctd\u003e220–240 V (110–120 V for specific regional markets)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n      \u003ctd\u003e445 x 372 x 500 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNet Weight\u003c\/td\u003e\n      \u003ctd\u003e31 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIncluded Accessories\u003c\/td\u003e\n      \u003ctd\u003eMains Power Cable, Neutrik Speakon Cable (10 m Nominal), User Manual\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"REL Acoustics","offers":[{"title":"Black","offer_id":52739951427850,"sku":null,"price":2999.0,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":52739951460618,"sku":null,"price":2999.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/3283\/6618\/files\/rel-acoustics-s-550-49899-p.webp?v=1773933814","url":"https:\/\/audioemotion.co.uk\/products\/rel-s550-sub","provider":"Audio Emotion Limited","version":"1.0","type":"link"}