Specification AudioOutputMode : Stereo Brand : Rockville BulletPoint1 : PACKAGE INCLUDES: Rockville RGHR48A 4-Zone Marine Receiver with Bluetooth, app control, remote, and (2) pairs Rockville RWB70B 6.5" 250W Black Marine Wakeboard Tower Speakers. MARINE-GRADE DURABILITY: IP66 waterproof receiver with Humiseal-coated PCB meets ASTM B117/D4329 standards; speakers are fully marinized with rustproof stainless steel terminals and UV-coated brackets. BulletPoint2 : 4-ZONE AUDIO CONTROL: Customize sound across 4 zones with independent volume control via receiver, wired remote, or free iPhone/Android app. POWERFUL AMPLIFIER: TDA7851L delivers 28W RMS x 4 channels (72W peak @ 2 ohms) for loud, clear audio that cuts through wind and waves. BulletPoint3 : SEAMLESS CONNECTIVITY: Stream via Bluetooth (50ft range), play media from USB (16GB max), or use RCA aux input. VIBRANT DISPLAY: 3" TFT screen for easy navigation, rear camera input, and dimmable for safe nighttime boating. CUSTOMIZABLE FEATURES: 7 LED button colors, 10-band EQ, preset curves (Pop, Rock, Jazz). BulletPoint4 : PREMIUM SPEAKER PERFORMANCE: RWB70B speakers deliver 150W RMS (250W peak) per speaker, 96dB sensitivity, and a 70Hz-20kHz range for powerful, clear sound. 360° SWIVEL MOUNTING: Adjustable nylon brackets with stainless steel hardware fit 1.26"-2.87" bars, ideal for boats, Jeeps, and ATVs. BulletPoint5 : EASY INSTALLATION: Includes mounting hardware, waterproof wiring harness, 40" USB cable, and guide for hassle-free setup. VERSATILE APPLICATIONS: Perfect for boats, RVs, and off-road vehicles, with AM/FM radio (18 FM/12 AM presets) and global tuning support. Color : Black CompatibleDevices : Speaker ConnectivityTechnology1 : RCA Aux Input, RCA A/V input ConnectivityTechnology2 : Bluetooth ConnectivityTechnology3 : USB Input ConnectivityTechnology4 : RCA outputs ConnectorType : RCA Aux Input, RCA A/V input, USB, RCA outputs ControllerType : Control via Android/iPhone using App ControlMethod1 : application ControlMethod2 : remote IncludedComponents1 : 1 x RGHR48A 4-Zone Marine Hole Receiver+Remote IncludedComponents2 : 2 x Pairs of 6.5" 250w Wakeboard Tower Speakers ItemName : Rockville Bundle: (1) RGHR48A 4 Zone Marine Gauge Hole Receiver Bluetooth App Control+Remote Bundle with (2) Pair RWB70B Black 6.5" 250w Marine Wakeboard 360 Swivel Tower Speakers (3 Items) ItemPackageDimensions_Height : 5.9 inches ItemPackageDimensions_Length : 9.3 inches ItemPackageDimensions_Width : 5.9 inches ItemPackageQuantity : 1 ItemTypeKeyword : marine-speakers Manufacturer : Rockville ModelName : RGHR48A+(2) RWB70B ModelNumber : RGHR48A+(2) RWB70B MountingType : Ceiling Mount NumberOfItems : 1 OutputPower : 288 watts PackageLevel : unit PartNumber : RGHR48A+(2) RWB70B ProductDescription : Rockville RGHR48A 4-Zone Marine Receiver + RWB70B 6.5" Wakeboard Tower Speakers Bundle Take your boating adventures to the next level with the Rockville RGHR48A 4-Zone Marine Digital Media Receiver and two pairs of Rockville RWB70B 6.5" 250W Black Marine Wakeboard Tower Speakers. This bundle delivers powerful, customizable audio with marine-grade durability, ensuring epic sound on the water. Unmatched Audio Control & Power: The RGHR48A offers 4-zone audio control, letting you adjust volume independently via the receiver, included wired remote, or free iPhone/Android app. Its TDA7851L amplifier delivers 28W RMS x 4 channels (72W peak @ 2 ohms) for booming, clear sound. Fine-tune with a 10-band EQ, preset curves (Pop, Rock, Jazz), and subwoofer controls for deep bass. Premium Wakeboard Tower Speakers: Rockville RWB70B 6.5" speakers provide 150W RMS (250W peak) per speaker, 96dB sensitivity, and a 70Hz-20kHz range for powerful, high-fidelity audio. Fully marinized with rustproof stainless steel terminals, waterproof coatings, and polypropylene mica-injected cones, they withstand salt, water, and UV exposure. Marine-Grade Durability: The IP66 waterproof receiver, with a Humiseal-coated PCB, meets ASTM B117/D4329 standards. RWB70B speakers feature UV-coated nylon brackets and stainless steel hardware, ensuring lifelong reliability in harsh marine conditions. Versatile Connectivity & Display: Stream music via Bluetooth (50ft range), play media from USB, or connect via RCA aux inputs. The 3" TFT display simplifies navigation, supports rear camera input, and dims for safe nighttime boating. Customize with 7 LED button colors or auto-cycle mode. Easy Setup & Mounting: Includes mounting hardware, waterproof wiring harness, 40" USB cable, and guide. What’s Included: Receiver, wired remote, mounting bracket, USB cable, wiring harness, screws, template, and (2) pairs of wakeboard speakers with swivel brackets. ProductSiteLaunchDate : 2025-04-18T09:18:12.192Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 52161500 WarrantyDescription : 1 YEAR, Manufacturer