{"product_id":"rel-s-850-powered-subwoofer","title":"REL - S\/850 - Powered Subwoofer","description":"\u003cdiv style=\"font-size:14px; font-family:Arial, Helvetica, sans-serif; line-height:1.6; color:#222;\"\u003e \u003cp\u003e REL S\/850 stands as the flagship of the acclaimed Serie S lineup, combining immense output capability with extraordinary finesse, transparency, and control. Designed for serious audiophiles and home theater enthusiasts, S\/850 draws heavily from REL's Reference Series innovations to deliver explosive dynamics, effortless low-frequency extension, and exceptional musicality in medium-to-large rooms. \u003c\/p\u003e \u003cp\u003e Featuring an 850-watt Linear Class D amplifier, a newly developed 12-inch CarbonAlloy active driver, and a massive long-stroke passive radiator, S\/850 produces bass that is powerful, nuanced, and remarkably fast. Whether used as a single subwoofer, stereo pair, or as part of a REL Line Array, it provides a level of performance that redefines expectations within its class. \u003c\/p\u003e \u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e \u003cstrong\u003eDESIGN\u003c\/strong\u003e \u003c\/h3\u003e \u003cp\u003e The S\/850 cabinet is longer, lower, wider, and deeper than previous generations, creating a commanding visual presence while maximizing internal volume for improved acoustic performance. Elegant detailing includes precision-machined metal accents, recessed stainless-steel handles, and premium silver-gold finished badges inspired by titanium. \u003c\/p\u003e \u003cp\u003e Built for both beauty and functionality, the cabinet incorporates internal aluminum reinforcement for Line Array applications, precision-machined leveling cylinders, and an optional Premium Wood Grille upgrade that adds warmth and individuality to the design. \u003c\/p\u003e \u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e \u003cstrong\u003eDRIVER\u003c\/strong\u003e \u003c\/h3\u003e \u003cp\u003e At the core of S\/850 is a newly refined 12-inch CarbonAlloy active driver utilizing a lightweight carbon-fiber center cap. By reducing moving mass while increasing rigidity, the driver delivers faster transient response, greater dynamic impact, and enhanced low-level detail retrieval. \u003c\/p\u003e \u003cp\u003e Supporting the active driver is a redesigned 12-inch down-firing passive radiator constructed from advanced carbon fiber, glass fiber, and closed-cell foam materials. With over 2.4 inches (60mm) of travel in each direction, the passive radiator significantly expands bass authority, dynamic range, and low-frequency extension while maintaining exceptional control. \u003c\/p\u003e \u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e \u003cstrong\u003eAMPLIFIER\u003c\/strong\u003e \u003c\/h3\u003e \u003cp\u003e The S\/850 employs a powerful 850-watt Linear Class D amplifier engineered to combine the slam and authority of large Class A\/B monoblocks with the efficiency and speed of modern Class D technology. Supported by a robust traditional power supply, the amplifier is capable of delivering up to 1,000 watts during demanding peaks, ensuring effortless dynamics and exceptional headroom. \u003c\/p\u003e \u003cp\u003e Premium thin-film capacitors and REL's advanced analog filter architecture contribute to remarkable transparency, soundstage depth, and low-frequency precision. REL's legendary High-Level connection, along with RCA and XLR inputs, allows seamless integration into both high-end stereo systems and dedicated home theaters. \u003c\/p\u003e \u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e \u003cstrong\u003eWIRELESS\u003c\/strong\u003e \u003c\/h3\u003e \u003cp\u003e S\/850 is compatible with REL's optional AirShip Direct wireless system. Designed specifically for reference-grade performance, AirShip Direct transmits both High-Level and .1\/LFE signals simultaneously while preserving dynamics, transparency, tonal accuracy, and bass authority without compression or compromise. \u003c\/p\u003e \u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e \u003cstrong\u003eWHAT'S IN THE BOX\u003c\/strong\u003e \u003c\/h3\u003e \u003cul style=\"margin-top:0;\"\u003e \u003cli\u003eS\/850 Subwoofer\u003c\/li\u003e \u003cli\u003e6 ft. AC Power Cord\u003c\/li\u003e \u003cli\u003e32 ft. Neutrik Speakon Cable\u003c\/li\u003e \u003cli\u003eLine Array Mounting Hardware\u003c\/li\u003e \u003cli\u003eCloth Grille\u003c\/li\u003e \u003cli\u003eUser Manual \u0026amp; Warranty Information\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003cem\u003e*Premium Wood Grille sold separately and not included with the subwoofer.\u003c\/em\u003e \u003c\/p\u003e \u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e \u003cstrong\u003eSPECIFICATIONS \/ DIMENSIONS\u003c\/strong\u003e \u003c\/h3\u003e \u003cp\u003e \u003cstrong\u003eType:\u003c\/strong\u003e Front-Firing Active Driver, Down-Firing Passive Radiator\u003cbr\u003e \u003cstrong\u003eActive Driver:\u003c\/strong\u003e 12 in. (305mm) Long-Throw CarbonAlloy Cone Structure, Die-Cast Alloy Chassis\u003cbr\u003e \u003cstrong\u003ePassive Radiator:\u003c\/strong\u003e 12 in. (305mm) Carbon\/Carbon Flat Cone Structure, Steel Chassis\u003cbr\u003e \u003cstrong\u003eAmplifier Power:\u003c\/strong\u003e 850 Watts RMS\u003cbr\u003e \u003cstrong\u003eAmplifier Type:\u003c\/strong\u003e Linear Class D\u003cbr\u003e \u003cstrong\u003eLow Frequency Extension:\u003c\/strong\u003e -6dB at 19Hz\u003cbr\u003e \u003cstrong\u003eInputs:\u003c\/strong\u003e High Level Neutrik Speakon, Dual RCA Low Level, LFE RCA, LFE XLR\u003cbr\u003e \u003cstrong\u003eOutputs:\u003c\/strong\u003e High Level Neutrik Speakon, Low Level RCA, LFE RCA, LFE XLR\u003cbr\u003e \u003cstrong\u003eWireless Capability:\u003c\/strong\u003e REL AirShip Direct (Sold Separately)\u003cbr\u003e \u003cstrong\u003eAvailable Finishes:\u003c\/strong\u003e Piano Black Lacquer, Gloss White Lacquer\u003cbr\u003e \u003cstrong\u003eFinish:\u003c\/strong\u003e 8-Coat High Gloss Lacquer\u003cbr\u003e \u003cstrong\u003eProtection System:\u003c\/strong\u003e Fully Electronic Set Safe\u003cbr\u003e \u003cstrong\u003eD.C. Fault Protection:\u003c\/strong\u003e Yes\u003cbr\u003e \u003cstrong\u003eOutput Short Protection:\u003c\/strong\u003e Yes\u003cbr\u003e \u003cstrong\u003eMains Voltage:\u003c\/strong\u003e 220-240V \/ 110-120V Depending on Market\u003cbr\u003e \u003cstrong\u003eFuse Rating:\u003c\/strong\u003e 8 Amp Semi Delay (220V), 15 Amp Semi Delay (120V)\u003cbr\u003e \u003cstrong\u003eIncluded High-Level Cable:\u003c\/strong\u003e 10 Meter (32 ft.) Neutrik Speakon\u003cbr\u003e \u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 19.25 x 16.125 x 21.25 in. (488 x 410 x 540 mm)\u003cbr\u003e \u003cstrong\u003eNet Weight:\u003c\/strong\u003e 93.5 lbs. (42.5 kg) \u003c\/p\u003e \u003c\/div\u003e","brand":"REL Acoustic","offers":[{"title":"Black \/ Cloth (Included)","offer_id":51812526162208,"sku":null,"price":3299.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Premium Wood","offer_id":51812526194976,"sku":null,"price":3695.0,"currency_code":"USD","in_stock":true},{"title":"White \/ Cloth (Included)","offer_id":51812526227744,"sku":null,"price":3299.0,"currency_code":"USD","in_stock":true},{"title":"White \/ Premium Wood","offer_id":51812526260512,"sku":null,"price":3695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/3728\/1568\/files\/imgi_91_CopyofS850_Black_ThreeQuarter.png?v=1781028394","url":"https:\/\/salon1audio.com\/products\/rel-s-850-powered-subwoofer","provider":"Salon 1 Audio","version":"1.0","type":"link"}