Specification AgeRangeDescription : Adult AssemblyInstructions : Product should come with assembly instructions. AudioDriverSize : 6.5 inches AudioDriverType : dynamic_driver AudioOutputMode : Mono, Stereo Brand : Polk Audio BulletPoint1 : Includes: (4) Polk Audio Atrium 8 Indoor Outdoor Speaker (Black) BulletPoint10 : Install in any large or open space—by a pool, in the patio, the sunroom, halls or office areas - to deliver EXCEPTIONALLY GREAT SOUND. POWERPORT TECHNOLOGY directs the airflow downwards so you hear a REALISTIC SOUND SEEMINGLY CLOSE TO YOU One-click SPEED-LOCK MOUNTING BRACKET offers EASY, ANTI-SLIP ONE-HANDED INSTALLATION - mount speakers vertically or horizontally, to deliver the best sound. Simply mount the swiveling C-bracket, adjust the angle and fasten the speaker with a click! BulletPoint2 : Four 1" Aluminum Dome Tweeters, 6.5" Dynamic Balance Woofer BulletPoint3 : All-weather indoor/outdoor speaker with selectable stereo input mode BulletPoint4 : Dual Tweeter placement is designed for better stereo separation BulletPoint5 : Sensitivity 91 dB, Frequency response 45-27,000 Hz BulletPoint6 : Impedance: 8-ohm stereo (dual-input) or 4-ohm mono (single-input) BulletPoint7 : Handles up to 125 watts per channel BulletPoint8 : Includes mounting hardware BulletPoint9 : Dimensions: 8-1/2"W x 12-7/8"H x 9-7/16"D Color : Black CompatibleDevices : Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop CompatibleDevices1 : Home Theater CompatibleDevices2 : Marantz CompatibleDevices3 : Audio Video Receiver CompatibleDevices4 : Sonos CompatibleDevices5 : Denon CompatibleDevices6 : Projector CompatibleDevices7 : Laptop CompatibleWithVehicleType : Car ConnectivityProtocol : Wired ConnectivityProtocol1 : Bluetooth ConnectivityProtocol2 : Wi-Fi ConnectivityTechnology : Speaker Wire ControllerType : Corded electric ControlMethod : touch ExternallyAssignedProductIdentifier1 : 310267959325 ExternallyAssignedProductIdentifier2 : 0310267959325 ExternallyAssignedProductIdentifier3 : 00030519060325 FrequencyResponse : 55 hertz Impedance : 8 ohm IncludedComponents : 2 outdoor speakers, including 8' waterproof woofers, aluminum inverted dome tweeters, reinforced assembly brackets, paintable aluminum grilles, and rotating logos with articulating brackets. IncludedComponents1 : 4 Black All-Weather Speakers IncludedComponents2 : Mounting Bracket (installed) IncludedComponents3 : Owner's Manual IncludedComponents4 : Online Product Registration Card IncludedComponents5 : Polk Audio Brochure IndoorOutdoorUsage : outdoor IsWaterproof : true ItemName : Polk Audio Atrium 8 SDI Flagship All-Weather Outdoor Speakers (4 Speaker Pack) - Black ItemPackageDimensions_Height : 66.548 centimeters ItemPackageDimensions_Length : 45.974 centimeters ItemPackageDimensions_Width : 49.276 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : outdoor-home-speakers Manufacturer : Polk Audio Material : Aluminum ModelName : Polk Audio Atrium 8 Black (Pack of 4) ModelNumber : POLATRIUM8BK4PACK MountingType : Wall Mount NumberOfCircuits : 4 NumberOfItems : 4 PartNumber : FocalBDL190411-07 PowerSourceType : Wire ProductDescription : Enjoy enhanced-quality sound outdoors with the Polk Audio Atrium 8 DSI All-Weather Outdoor Speaker. Polk Audio Atrium8 features a single/dual input switch, which allows you to use it either as a virtual stereo speaker or as part of a traditional L/R stereo pair when used with a second speaker. Polk Audio Atrium 8 Outdoor can output up to 125W of continuous audio and is designed to withstand UV rays, salt, fog, extreme temperatures, and heavy rain. Atrium 8 includes mounting bracket and hardware. Polk Audio Atrium all weather outdoor speakers can be mounted either horizontally or vertically. Polk Audio Atrium Series Speakers are All-Weather Certified, and exceed baseline industrial and military specifications for environmental endurance (ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion.) These Certification means Polk Atrium speakers can effortlessly withstand the outdoors, and hold up in extreme temperatures and precipitation. Polk Audio Atrium 8 All-Weather Speaker 6.5" Dual Voice Coil Dynamic Balance aerated polypropylene cone, two 1" anodized aluminum dome tweeters and a UNIQUE PATENTED SINGLE/DUAL INPUT SWITCH – use as single high-performance speaker or as L/R pair ProductSiteLaunchDate : 2023-06-29T17:06:44.384Z RecommendedUsesForProduct : For Outdoor activities, events, and spaces RecommendedUsesForProduct1 : Music, Pool, Indoor, Outdoor RecommendedUsesForProduct2 : For Surround Sound Systems RecommendedUsesForProduct3 : For Televisions RecommendedUsesForProduct4 : Sauna RecommendedUsesForProduct5 : Deck SignalToNoiseRatio : 91 decibels SpeakerAmplificationType : Passive SpeakerConnectivity : RCA SpeakerSize : 6.5 inches SpeakersMaximumOutputPower : 125 watts SpeakersNominalOutputPower : 15 watts SpeakerType : All-Weather, Outdoor, Indoor SpeakerType1 : Outdoor SpeakerType2 : Woofer SpecificUsesForProduct : Music, Pool, Indoor, Outdoor StreetDate : 2018-10-30T00:00:01Z Style : outdoor SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SurroundSoundChannelConfiguration : 4.0 TargetGender : unisex UnitCount : 4 UnspscCode : 52161512 WarrantyDescription : 5 Years WarrantyType : Limited WaterResistanceLevel : water_resistant Wattage : 75 watts