Specification AudioDriverType : dynamic_driver AudioOutputMode : Stereo BluetoothRange : 10 meters Brand : XYC BulletPoint1 : Package Includes: (1) Rockville ATOM P20 Marine/ATV/Car Bluetooth Amplifier 1600w Peak/440w RMS 4 Channel w/ Volt Meter. (1) Rockville RWK42 4 Gauge 4 Chan Car Amp Wiring Installation Wire Kit (2) RCA's BulletPoint2 : Features of ATOM P20: Rockville ATOM P20 1600 Watt Peak/440 Watt Dyno-Certified RMS 4 Channel Class AB ATV/Car Stereo Amplifier With Bluetooth. Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, RF Fosgate, etc). 2 Ohm: 110 Watts x 4 Channel <1% THD+N @ 14.4 Volts. 4 Ohm: 70 Watts x 4 Channel <1% THD+N @ 14.4 Volts. BulletPoint3 : 4 Ohm Bridged: 220 Watts x 2 Channel <1% THD+N @ 14.4 Volts. Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 2 Ohm: 400 Watts x 4 Channel. 4 Ohm: 260 Watts x 4 Channel. 4 Ohm Bridged: 800 Watts x 2 Channel. Digital Voltage Display on Amp. Adjustable Low Pass Filter: 50Hz 250Hz. Adjustable High Pass Filter: 50Hz 250Hz. Painted Conformal Coating PCB Board (Uses 2577 Waterproof Glue). BulletPoint4 : Features of RWK42: Rockville RWK42 4 Gauge 4 Channel Car Amplifier Wiring Installation Kit. (2) 17 High Grade Twisted Pair of 100% Copper RCA Cable. 17 4 Gauge Translucent Blue SuperFlex Power Cables. 17 18 Gauge Blue Remote Cable. 17 16 Gauge Clear Speaker Wire. 3 4 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 80 Amp AGU Gold Plated Fuse. BulletPoint5 : 7 Split Tube Loom. Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets. Soft abrasion proof insulating jacket allows for 100% improved flexibility. PVC outer jacket can with-stand an extreme temperature range of -40 to 220 degrees F Color : Blue CompatibleDevices1 : Smartphone CompatibleDevices2 : Tablet CompatibleDevices3 : MP3 Player CompatibleDevices4 : Laptop CompatibleDevices5 : Television CompatibleWithVehicleType : UTV, ATV, Boat, Motorcycle ConnectivityProtocol : Bluetooth ConnectivityTechnology1 : USB ConnectivityTechnology2 : Auxiliary ConnectivityTechnology3 : Bluetooth ControllerType : Remote Control ControlMethod : remote ExternallyAssignedProductIdentifier : 3544058676079 ExternallyAssignedProductIdentifier1 : 753706698346 ExternallyAssignedProductIdentifier2 : 0753706698346 Hazmat1 : LITHIUM METAL BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumMetalBatteryInEquipment Hazmat11 : EG_SmallLithiumMetalBatteryInEquipment Hazmat12 : ES_SmallLithiumMetalBatteryInEquipment Hazmat13 : FR_SmallLithiumMetalBatteryInEquipment Hazmat14 : GB_SmallLithiumMetalBatteryInEquipment Hazmat15 : IN_SmallLithiumMetalBatteryInEquipment Hazmat16 : IT_SmallLithiumMetalBatteryInEquipment Hazmat17 : JP_SmallLithiumMetalBatteryInEquipment Hazmat18 : MX_SmallLithiumMetalBatteryInEquipment Hazmat19 : NL_SmallLithiumMetalBatteryInEquipment Hazmat2 : UN3091 Hazmat20 : PL_SmallLithiumMetalBatteryInEquipment Hazmat21 : SA_SmallLithiumMetalBatteryInEquipment Hazmat22 : SE_SmallLithiumMetalBatteryInEquipment Hazmat23 : SG_SmallLithiumMetalBatteryInEquipment Hazmat24 : TR_SmallLithiumMetalBatteryInEquipment Hazmat25 : US_SmallLithiumMetalBatteryInEquipment Hazmat26 : ZA_SmallLithiumMetalBatteryInEquipment Hazmat27 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumMetalBatteryInEquipment Hazmat5 : AU_SmallLithiumMetalBatteryInEquipment Hazmat6 : BE_SmallLithiumMetalBatteryInEquipment Hazmat7 : BR_SmallLithiumMetalBatteryInEquipment Hazmat8 : CA_SmallLithiumMetalBatteryInEquipment Hazmat9 : CN_SmallLithiumMetalBatteryInEquipment Impedance : 8 ohm IncludedComponents : 1x main unit, 4x speakers, 1x mounting bracket for main unit InputVoltage : 12 volts_of_direct_current IsWaterproof : True ItemName : XYC 12V Motorcycle Waterproof FM USB 4 Channel 3 Inch UTV ATV Bluetooth Amplifier Sound System Audio Stereo Hand-Free Speakers Audio ItemPackageDimensions_Height : 26.797 centimeters ItemPackageDimensions_Length : 13.3096 centimeters ItemPackageDimensions_Width : 23.0886 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : vehicle-multi-channel-amplifiers Manufacturer : xycity Material : Aluminum MaximumRange : 10 meters MaximumSupplyVoltage : 14 volts_of_direct_current MinimumSupplyVoltage : 14.4 volts_of_direct_current ModelName : Amplifier Sound System ModelNumber : MP-D056 MountingType : Motorcycle Mount,Plug Mount NumberOfChannels : 4 NumberOfItems : 1 NumberOfLithiumIonCells : 1 OperatingTemperature : 40 degrees_celsius OutputPower : 440 watts PackageTypeName : Box" or "Polybag PartNumber : MP-D056 PowerSourceType : Corded Electric ProductDescription : Wireless Bluetooth hands-free motorcycle audio kit(Main unit+4 X Speaker) High fidelity stereo design, Large LCD display with function clock Allow you to listen MP3 music from Bluetooth device or FM radio without cable connection Bluetooth synchronous broadcasting,you will not miss the retransmission sport event,a special flash information of when your are on the road Support MP3 music from USB or SD/TF card(not Support 3.5mm external connection of MP3 players or iPod etc, not being a sound box) Support full-band FM channel(AM band is not available) Built-in high-sensitive MIC to support hand-free call Has warning bell when the phone rings,voice prompt when change modes remote control has a built in AUX input and background light for dark conditions 2 X Pair of 3" 2-Way UTV/ATV/BOAT Mountable Speakers, these speakers can be mount on any roll bar with size of 20cm-25cm (mounting pads are included) Speakers cable length is 250cm allow you put the speaker on any place you want. Power Amplifier Specification Power: 4x25W Speaker impedance 4-8Ω Black ABS shell5 Rated Voltage: DC 12V Speaker Size(DxH):83.5mm(3-1/8")*102mm(4") Main Unit Specification: Input Voltage: DC 12V (36V-72V Model need an adaptor) Bluetooth V3.0+EDR, support AVRCP1.0,GAVDP1.0,AVDTP1.0,A2DP1.0 Frequency Response: 21402GHz-2.480GHz Practical Sensitivity: <11dB Letter throat Ratio: >60dB Effective Transmission Distance: >10M FM Frequency Range: 87-108MHz Main Unit Size: approx 100mm(4")*60mm(2-3/8")*44mm(1-3/4") Package Included: 1x main unit, 4x speakers, 1x mounting bracket for main unit