Function: 1. The tweeter is made of high-quality steel mesh and heat-resistant resin materials, which can better protect the diaphragm. 2. This product is a 120W high power tweeter with excellent sound quality for a good listening experience. 3. Professional audio capacitors, exquisite pure copper wiring ports, easy to install. 4. This speaker is suitable for all 12V DC car audio systems. 5. Small size, easy to carry and store, convenient to use and good performance. Specification: Item Type: Car Speakers Nominal Impedance: 4Ω Maximum Music Power: 120W Frequency response: 2k22kHz Grille material: steel mesh, heat-resistant resin MEMbrane: APEI (Polyether Lmido) diaphragm is used, which allows for clear highs with minimal distortion. Voice coil: High heat resistance voice coil that responds to a maximum input power of 800 W (cutoff frequency 7000 Hz at 6 dB/otc. . HPF) Size: Approx. 55 mm / 2.2 inch 30 mm / 1.2 inch 48 mm / 1.9 inch Package List: 2 x Speaker 2 x installation accessories 2 x Install the sticker 2 x screw