Feature:1. 6.5 INCH: 6.5 inch full range speaker with compact design, small size and light weight, easy to carry and use.2. PARAMETERS: Full range speaker sensitivity is 90dB, effective frequency is 41.37Hz to 3.5KHz, power range is 4080W.3. FULL RANGE: Tweeter speaker with full range design, suitable for speaker DIY and home sound and video equipment.4. APPLICABLE SCENARIOS: Woofer is used for professional DJ speakers, professional PA speakers, professional karaoke speakers, live sound reinforcement speakers, fixed installation speakers, studio monitors and home sound speakers.5. PRODUCT SIZE: Woofer loudspeaker outer diameter 166mm, mounting hole 156mm, speaker height: 80mm.Specification:Item Type: Full Range SpeakerMaterial: IronRated impedance: 8DC impedance: 5.4Rated power: 40WMaximum power: 80WSensitivity: 90dBFrequency range: 41.37Hz to 3.5KHzProduct Size: Outer Diameter: Approx. 166mm/6.5inMounting Hole: Approx. 156mm/6.1inHorn Height: Approx. 80mm/3.1in.Package List:1 x Full Range SpeakerNote:All data are measured manually, and there are certain errors in the measurement results.