Product Name: Black High Frequency Tweeters Audio Sensitivity: 98dB Voltage: 12V Car Make: Universal Signal To Noise Ratio: 98dB Speakers Types: Tweeters Impedance: 4Ω Out Power: 1000W Frequency Range (Hz): 5KHz - 20KHz Advanced Built-In Crossover: Optimizes working frequency for various applications. High Efficiency Dome Tweeter: Delivers powerful sound with minimal energy consumption. Magnetic Field Free: Keeps credit cards and magnetic tapes safe from interference. Universal Compatibility: Suitable for all types of car audio systems. Effortless Installation: Instant and highly convenient setup process. Place of Application: - Car Audio System Product Weight: 20 G / 0.71 Ounces Product Dimensions (L * W * H): 4.5 x 1.5 x 3.0 CM / 1.77 x 0.59 x 1.18 Inches Color: As Shown Material: Metal+Plastic Package Contents: 4 * speakers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.