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Specification
AgeRangeDescription : Adult
AssemblyInstructions : Included
AudioDriverSize : 12 inches
AudioDriverType : dynamic_driver
AudioOutputMode : Surround
Brand : Alpine
BulletPoint : Compatible with 2014 - 2018 Chevy Silverado Crew Cab Harmony Audio Bundle HA-R104 Dual 10" Sub Box HA-A400.1 Amp
BulletPoint1 : Bundle Includes: Two Alpine R2-W12D4 12" R-Series "R2" Subwoofer, Dual 4-Ohm, 750 Watt RMS, one Creative Audio Coozy, and one 4-piece set of plastic pry tools
BulletPoint2 : The next generation of sound performance is here with the new R-Series subwoofers featuring a larger motor structure for more accurate and authoritative bass.
BulletPoint3 : New Motor Structure – The new R-Series subwoofers now feature larger, double-stacked magnets that contribute more motor force for deeper bass and tighter bass control compared to the previous generation.
BulletPoint4 : Oversized Dust Cap – The new hybrid poly ceramic composite dust cap ensures rigidity while also providing incredible internal damping (vibration absorption) to smooth out the bass response and reproduce tight bass.
BulletPoint5 : Increased Accuracy – Alpine’s High Amplitude Multi-Roll (HAMR) Surround Technology allows the cone to efficiently move air while staying cool resulting in incredible accuracy from the subwoofer.
Color : With Amp
CompatibleDevices : Car, Truck
CompatibleDevices1 : Smartphone
CompatibleDevices2 : Tablet
CompatibleDevices3 : MP3 Player
CompatibleDevices4 : Desktop
CompatibleDevices5 : Television
CompatibleDevices6 : Projector
CompatibleDevices7 : Laptop
CompatibleWithVehicleType : Car
ConnectivityProtocol : RCA, Speaker Wire
ConnectivityTechnology : Bluetooth
ControllerType : Voice Control
ControlMethod : touch
CustomerPackageType : FFP
ExternallyAssignedProductIdentifier1 : 841992184183
ExternallyAssignedProductIdentifier2 : 0841992184183
FrequencyResponse : 200 hertz
Hazmat1 : MAGNETIZED MATERIAL
Hazmat10 : DE_NoAir
Hazmat11 : EG_NoAir
Hazmat12 : ES_NoAir
Hazmat13 : FR_NoAir
Hazmat14 : GB_NoAir
Hazmat15 : IE_NoAir
Hazmat16 : IN_MagnetizedMaterial
Hazmat17 : IT_NoAir
Hazmat18 : JP_NoAir
Hazmat19 : MX_MagnetizedMaterial
Hazmat2 : UN2807
Hazmat20 : NL_NoAir
Hazmat21 : PL_NoAir
Hazmat22 : SA_NoAir
Hazmat23 : SE_NoAir
Hazmat24 : SG_NoAir
Hazmat25 : TR_NoAir
Hazmat26 : US_MagnetizedMaterial
Hazmat27 : ZA_NoAir
Hazmat3 : 9
Hazmat4 : AE_NoAir
Hazmat5 : AU_NoAir
Hazmat6 : BE_NoAir
Hazmat7 : BR_MagnetizedMaterial
Hazmat8 : CA_MagnetizedMaterial
Hazmat9 : CN_MagnetizedMaterial
Impedance : 4 ohm
IncludedComponents : Two Alpine R2-W12D4 subwoofers, one Creative Audio Coozy, and a 4-piece set of plastic pry tools
InputVoltage : 14.4 volts
IsWaterproof : FALSE
ItemName : Alpine 2 R2-W12D4 Next-Generation 12" R-Series Subwoofers with Dual 4-Ohm Voice Coils
ItemPackageDimensions_Height : 19 inches
ItemPackageDimensions_Length : 15 inches
ItemPackageDimensions_Width : 9 inches
ItemPackageQuantity : 1
ItemTypeKeyword : vehicle-subwoofers
Manufacturer : Alpine
Material : Aluminum
ModelName : AlpineBDL220318-03
ModelNumber : R2-W12D4
MountingType : Flush Mount
NumberOfCircuits : 1
NumberOfItems : 1
PartNumber : AlpineBDL220318-03
PowerSourceType : Corded Electric
ProductDescription : Two Alpine R2-W12D4 12" R-Series "R2" Subwoofer, Dual 4-Ohm, 750 Watt RMS

Features -
The next generation of sound performance is here with the new R-Series subwoofers featuring a larger motor structure for more accurate and authoritative bass.
New Motor Structure – The new R-Series subwoofers now feature larger, double-stacked magnets that contribute more motor force for deeper bass and tighter bass control compared to the previous generation.
Oversized Dust Cap – The new hybrid poly ceramic composite dust cap ensures rigidity while also providing incredible internal damping (vibration absorption) to smooth out the bass response and reproduce tight bass.
Increased Accuracy – Alpine’s High Amplitude Multi-Roll (HAMR) Surround Technology allows the cone to efficiently move air while staying cool resulting in incredible accuracy from the subwoofer.

General Specs:
Size: 12”
Dimensions: 11.61” x 11.61” x 6.43”
Frequency Response: 24Hz - 200Hz
Power Range: 300W - 750W RMS
Power Handling: 750W RMS / 2250W Peak
Magnet Weight: 144 oz
Voice Coil Diameter: 65.5 mm (2.6”)

T/S Parameters:
Sensitivity (1W/1m): 84.6 dB
DC Resistance (Re): 3.5Δ + 3.5Δ
Free Air Resonance (Fs): 30 Hz
Equivalent Stiffness: 32.8 L
Mechanical Q (Qms): 6.51
Electrical Q (Qes): 0.55
Total Q (Qts): 0.51
Cone Area (Sd): 479 cm2
Linear Excursion (Xmax): 20 mm
Mechanical Travel (Xmech): 72 mm
ProductSiteLaunchDate : 2022-03-28T16:57:21.342Z
RecommendedUsesForProduct : For Car Audio Systems
SeriesNumber : 2
Size : Dual 10"
SpeakerSize : 12 inches
SpeakersMaximumOutputPower : 750 watts
SpeakerType : Subwoofer
SpeakerType1 : Subwoofer
SpeakerType2 : Surround Sound
SurroundSoundChannelConfiguration : 2.0
TargetGender : unisex
UnitCount : 1
UnspscCode : 52161500
WarrantyType : Limited
WaterResistanceLevel : not_water_resistant
Wattage : 800 watts
WirelessCommunicationTechnology : Bluetooth