Features: Experience powerful sound with our 6.5inch round waterproof speaker, featuring 40W output and 4ohm impedance, perfectly for delivering clear auditory in any environment. With durability black PP coned and rubber edged, this external magnetic speaker boasts a frequency response of 59Hz- 4kHz and a sensitivity of 87±2dB, ensuring rich middle to low frequencies. For audiophiles and multimedia enthusiasts, this speaker enhances your auditory experience whether you're home or not. Perfectly for outdoor gatherings, home theaters, or portable auditory setups, this versatiled speaker performs reliably within a temperature ranging of 18 to 60℃. Lightweighted and easy integration into various auditory systems, this speaker is essential component for sound performances. Specifications: Power: 40W Impedance: 42 Magnetic circuit: external magnetic Voice coil: 25cored Weight: about 0.78KG Frequency Response: 59HZ-4KHZ Sensitivity: 87±2DB Frequency Characteristics: Medium and low frequency band Features：6.5inch Black PP+rubber edged Impedance: 4Ω Diameter：about 166mm/6.53in Package Includes: 1PC 40W Subwoofer note: Please allow 0-2cm error due to manual measurement. Please make sure do not mind before bid. The color may have different as the differences display,please understand