Features: - Enhanced sound with lower energy consumption - Easy and quick installation - Compact design fits in various locations - Non-magnetic construction, safe for tapes and credit cards - Built-in crossover network - Compatible with most car audio systems - High-efficiency dome tweeter - High sensitivity with smooth and extended frequency response - Improves audio clarity and performance in high-volume environments Specifications: Impedance: 4 ohms Voltage: 12V Frequency Range: 5kHz - 20kHz Audio Sensitivity: 89dB Rated Power: 40W Material: PC + Metal Fit: Universal Speaker Type: Tweeters Dimensions: Approximately 37 x 37 x 20mm Notes: - Confirm the installation dimensions before purchase to ensure compatibility with your vehicle - Inspect your vehicle's wiring before installation; if grounding issues are present, correct them prior to connecting the unit to prevent damage - Proper placement of tweeters significantly affects sound quality and soundstage performance - For optimal results, install tweeters at ear level, such as on the A-pillar or above the dashboard - Some vehicles have door-mounted locations that provide ideal ear-level positioning for an immersive listening experience Package Includes: 1 pair tweeters 4 mounting brackets 2 washers