Hero image 0 of Alpine R2-W8D2 8” 350 Watt RMS Subwoofer Car Audio Sub+All-In-One Tower Speaker, 0 of 21

Alpine R2-W8D2 8” 350 Watt RMS Subwoofer Car Audio Sub+All-In-One Tower Speaker

Name: Alpine R2-W8D2 8” 350 Watt RMS Subwoofer Car Audio Sub+All-In-One Tower Speaker
Brand: Alpine
SKU: 5275961269
Price: 249.95 USD
Availability: OutOfStock

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Key item features

Specs

Rms power rating
350 W
Woofer size
8 in
Subwoofer type
Subwoofer
Brand
Alpine
Subwoofer enclosure type
Sealed
Impedance
2 ohm

Current price is $249.95

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About this item

Product details

Package Includes:

(1) Alpine R2-W8D2 8” R-Series 350W RMS Subwoofer Dual 2 Ohm Car Audio Sub R2W8D2(1) Rockville ONE-TOWER All-In-One Tower Bluetooth Speaker System+HDMI/Optical/RCA

Features of R2-W8D2:

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.

Specifications of R2-W8D2:

Size: 8"
Dimensions: 7.64" x 7.64" x 4.56"
Frequency Response: 30Hz - 200Hz
Power Range: 150W - 350W RMS
Power Handling: 350W RMS / 1000W Peak
Magnet Weight: 56 oz
Voice Coil Diameter: 40 mm (2.6")

THIELE-SMALL PARAMETERS

Sensitivity (1W/1m): 83.6 dB
DC Resistance (Re): 1.8? + 1.8?
Free Air Resonance (Fs): 42 Hz
Equivalent Stiffness: 10.1 L
Mechanical Q (Qms): 7.69
Electrical Q (Qes): 0.52
Total Q (Qts): 0.48
Cone Area (Sd): 201 cm2
Linear Excursion (Xmax): 12 mm
Mechanical Travel (Xmech): 52 mm

SEALED BOX RANGE

Net Internal Volume: 0.15 - 0.45 ft3

RECOMMENDED SEALED BOX

External Dimensions: 13" x 13" x 5.5"
Gross Internal Volume: 0.30 ft3
Net Internal Volume: 0.25 ft3
D2 - F3, Qtc: 59Hz, 0.73
D4 - F3, Qtc: 59Hz, 0.72

VENTED BOX RANGE

Net Internal Volume: 0.25 - 0.7 ft3
Fb, Tuning: 36-40Hz

RECOMMENDED VENTED BOX

External Dimensions: 11" x 9.5" x 21"
Gross Internal Volume: 0.86 ft3
Vent Area (W x H): 8 in2 (8" x 1")
Vent Length: 17.5"
Vent Displacement: 0.13 ft3
Net Internal Volume (Vb): 0.68 ft3
D2 - F3, Ripple, Fb: 33Hz, 2.5 dB, 39Hz
D4 - F3, Ripple, Fb: 32Hz, 3.2 dB, 39Hz

Features of ONE-TOWER:

For home use - Must be plugged into an outlet during use
Built In Bluetooth 5.0 chipset with 33 foot range and clear sound quality
Built in USB playback (up to 32GB)
(2) 4" woofers and a rear port for extremel

Alpine R2-W8D2 8” 350 Watt RMS Subwoofer Car Audio Sub+All-In-One Tower Speaker

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Specifications

Rms power rating

350 W

Woofer size

8 in

Subwoofer type

Subwoofer

Brand

Alpine

Warranty

Warranty information

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