MCM Custom Audio 60-10031 8" Marine Wakeboard Two-Way Speaker Pair - Black 8" poly cone woofer with rubber surround and 1 titanium dome tweeter Binding post connections with heavy duty ABS case and mount Power handling: 130W/260W (RMS/max) @ 4ohm - Frequency response: 30Hz~20KHz - Sensitivity: 91dB Minimum/Maximum mounting diameter: 1 1/8 / 1 1/2 Overall diameter: 10 - Overall Length: 9 1/2