Cadence Marine Speaker SQS69B Size 6X9" RMS/Peak Power: 120/240 Watts Frequency Response: 65Hz-20KHz Spl: @ 1w/1m 90db System Impedance: 4 ohms Mounting Depth: 3.4" (8.6cm) Features 6" x 9" Two WAy High Fidelity Marine Speaker System Fully Marinized Against Salt and Fresh Water Condition Completely Water/Rust Proof Poly-carbon cone with resin coated cloth surround Oversized 1.25" ASV Voice Coil 13mm PEI Dome Neodymium Tweeter Built-in crossover network Includes one complete pair of speakers, sealing gaskets, grills and installation hardware