4) NEW BOSS MR60W 6.5" 2-Way 400W Marine Boat Audio Coaxial Speakers White 200 WATT MAX Power Handling (400 Watt per 2 Pairs) Impendance: 4 Ohm Frequency Response: 80HZ 20kHz SPL 1 Watt/1 Meter: 90 dB Poly Injection Cone Material