12'' 500W Signal 4-Ohm Car Audio Subwoofer Driver Sub Bass Speaker Sound Woofer-12 Inches

12" 500W Signal 4 Ohm Car Audio Subwoofer Speaker Sub Woofer B Sound Speakers

Specification:
Model: B81033
Product Name: Car B Speaker
: Bla
Material: Mental+Plastic+Magnet
Special Features:Play music
Impedance: 4 ohms
Voice Coil: Signal
Voltage: 12V
Speaker Size: 12 inch
RMS Power: 500 W
Resistance (Re): 6.1 惟
Resonance Frequency (Fs): 33.5 Hz
Equivalent Volume : 18.8 L
Electrical Q Factor (Qes): 0.43
Mechanical Q Factor (Qms): 4.39
Total Q Factor (Qts): 0.39
Force Factor (BL): 23.5 NA
Moving M (incl. Air Load) (Mms): 183.7 g
Suspension Compliance (Cms): 0.12 mm/N
Sensitivity: 84 dB 1w / 1m

Box Recommendations:
Sealed: 0.5 cu ft
Ported: 1.0 cu ft
Displacement: 0.11 ft^3
Cutout Diameter: 8-7/8"
Outside Diameter: 10"
Depth: 5 5/8"
Recommended Tuning: 32hz
Recommended Port Area: 16 in^2

Features:
X = 14mm one-way by 70% BL
Vented magnetic
Vented pole piece with optimizeeometry
Bla Aluminum 2.5鈥?voice coil former for rior heat dissation
High Temperature 4-Layer coer voice coil wire
Spring Loaded Terminals
Stitched-On 鈥淢ini-XL鈥?Tinsel Leads to prevent igue and fai

Note:
1.We provide clear pictures, measurements where possible. Please che as much as possible to e sure the item is the one that you need.
2.Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)
3.There are no instructions included in this kit.Professional Installation Is Highly Recommended锛?br />
Paage Included:
1x Car B Speaker
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