Gemini Sound GSP-2200 Elite 2200W 15" Active DJ PA Speaker with Bluetooth Stereo and Integrated 3-Channel Mixer Gemini is famous for incredible audio engineering and robust drivers combined with state-of-the-art amplification. The GSP-2200 pumps an incredible 2,200 watts of power through its massive 15" high excursion woofer with 3" voice coil and 1.35" horn tweeter. GSP-2200 features Bluetooth streaming and stereo pairing, so you can create a wireless stereo pair with another GSP-2200 speaker.