1. 6.5" High-end component car speakers 2. RMS: 100W 3 ... 4. Impedance: 4 ohms 5. OEM,ODM Specification: Size(Type) : 6-1/2" component car audio speakers , High-end RMS: 100WFrequency ... Response: 60-20kHzNominal impedance: 4 ohmsMidbass: 1, 6.5" midbass with glassfiber cone 2, 92dB SPL 3, Rubber ... Aluminium alloy housing 4, 25/28/30mm are all available. 6.5" component car speakers