Audiopipe 8in 350W 2-Way Coaxial Marine Speaker White APSW-8032T. Features/Specifications: Power (Max) 350 Watts Power (RMS) 175 Watts Frequency Response 45-25KHz Sensitivity 90dB Impedance 4 Ohms Magnet 22 Oz Rubber Surround Piano Black IMPP Cone...