VM Audio 4 SR-WOD4 Outdoor Speakers + Pyle Pro PT260A 200W Home Amplifier 4 x VM Audio SR-WOD4 4-inch Outdoor Speakers (2 Pairs) RMS: 60-watt total (per pair) Sensitivity: 87dB Stereo amplifier with A/B speaker output Power main: 50 watts x 2 at 8 ohm 100 watts x 2 at 4 ohm