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Specification
AudioDriverType : dynamic_driver
AudioOutputMode : Surround
Brand : Alpine
BulletPoint1 : 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.
BulletPoint2 : 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.
BulletPoint3 : 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.
BulletPoint4 : 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.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.
BulletPoint5 : Twist-Lock Grille Mount System
CompatibleDevices : Smartphone
CompatibleWithVehicleType : Car
ConnectivityTechnology : Bluetooth
ControllerType : Voice Control
ControlMethod : voice
ExternallyAssignedProductIdentifier1 : 793276084675
ExternallyAssignedProductIdentifier2 : 0793276084675
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
IsWaterproof : FALSE
ItemName : Alpine R2-W10D4 10" R-Series R2 Subwoofer, Dual 4-Ohm, 750 Watt RMS
ItemPackageDimensions_Height : 32.7914 centimeters
ItemPackageDimensions_Length : 22.098 centimeters
ItemPackageDimensions_Width : 32.6898 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : vehicle-subwoofers
Manufacturer : Alpine
ModelName : R2-W10D4
ModelNumber : R2-W10D4
MountingType : Flush Mount
NumberOfItems : 1
PartNumber : R2-W10D4
PowerSourceType : Corded Electric
ProductDescription : Alpine R2-W10D4 10" R-Series "R2" Subwoofer, Dual 4-Ohm, 750 Watt RMS

PRODUCT OVERVIEW
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: 10”
Dimensions: 9.72” x 9.72” x 5.92”
Frequency Response: 26Hz - 200Hz
Power Range: 300W - 750W RMS
Power Handling: 750W RMS / 2250W Peak
Magnet Weight: 123 oz
Voice Coil Diameter: 65.5 mm (2.6”)

T/S Parameters:
Sensitivity (1W/1m): 82.8 dB
DC Resistance (Re): 3.5Δ + 3.5Δ
Free Air Resonance (Fs): 32 Hz
Equivalent Stiffness: 18.2 L
Mechanical Q (Qms): 6.50
Electrical Q (Qes): 0.52
Total Q (Qts): 0.48
Cone Area (Sd): 333 cm2
Linear Excursion (Xmax): 20 mm
Mechanical Travel (Xmech): 70 mm

BOX SPECS -
SEALED BOX RANGE:
Net Internal Volume: 0.4 - 0.85 ft3

RECOMMENDED SEALED BOX:
External Dimensions: 12” x 12” x 10.5”
Gross Internal Volume: 0.58 ft3
Net Internal Volume: 0.50 ft3
VENTED BOX RANGE:
Net Internal Volume: 0.75 - 1.3 ft3
Fb, Tuning: 35-39 Hz

RECOMMENDED VENTED BOX:
External Dimensions: 13” x 11.5” x 25.25”
Gross Internal Volume: 1.58 ft3
Vent Area (W x H): 15 in2 (10” x 1
ProductSiteLaunchDate : 2022-01-11T14:39:06.663Z
RecommendedUsesForProduct : music
Size : 10"
SpeakerSize : 10 inches
SpeakersMaximumOutputPower : 750 watts
SpeakerType1 : Subwoofer
SpeakerType2 : Surround Sound
SupplierDeclaredDgHzRegulation : not_applicable
TargetGender : unisex
UnitCount : 1
UnspscCode : 52161500
VehicleSpeakerSize : 10
WarrantyType : Limited
Wattage : 750 watts