Description Item Description: Signal To Noise Ratio: 87dBAudio Sensitivity: 87dBCar Make: UniversalMaterial Type: Metal & MagnetSpeakers Types: Coaxial SpeakersItem Size: 4 InchImpedance: 4ΩOut Power: 100WVoltage: 12VFrequency Range (Hz): 90Hz-20KHz Brand: ROADSTARFeatures: - Speaker dual driver acoustic design, military grade magnets, magnetic force 10 times higher than traditional ferrite magnets, hard and stable texture, very sensitive response.- Upgraded protection, unique mesh cover made of synthetic metal PP rigid material with hard texture to protect the diaphragm.- Weld free wire terminals, pure copper material, to ensure signal transmission and easy operation. Humanized design, easy to install.- Good quality rubber edge, high temperature resistance, aging resistance, can be used for a long time without deformation.- The bass is thick, and the treble is high and not harsh. Lossless low-power crossover and miniature high-performance tweeter with high sensitivity and good penetration.Model Number: VO-402Bass: 102mm x 102 mmInstallation depth: 47mmPower Handing: 100Watts (max)-50Watts (nom)Place of Application: CarNote: - Please confirm the detail before purchase to avoid unnecessary trouble. Package Including: Package Including: 2 x Universal Car Speaker Product Weight: 270 G / 9.52 OuncesProduct Dimensions (L*W*H): 102*102*47 MM / 4.02*4.02*1.85 InchesPackage Weight: 270.0 G / 9.52 OuncesPackage Dimensions (L*W*H): 150*150*55 MM / 5.91*5.91*2.17 InchesRetail Packaging: Yes, General Box Payment 1. When put the order in the awaiting payment,Payment must be paied within 20days. 2. We accept payment by Paypal 3.Please write down your special requests (color, size, etc.) in the NOTE when you make payment. 4.TOTAL AMOUNT includes the final price plus S&H(Shipping and Handling). Shipping 1. We only ship to eBay confirmed address 2. Item will be shipped within 48 hours after payment received, excluding weekends and holidays. 3. Most orders are delivered within the stated shipping time at the time of purchase 4. Shipping are not available for PO BOX, Parcel locker, Parcel collect 5. If you don't receive your shipment within 35 days after payment, please feel free to contact us. We will take proper actions to solve the problem for you Retrun 1.notify us by message before returning 2.Contact us within 30 days of receiving the item