Yamaha DBR12 2 Way Bi amplified Onboard Mixer and DSP Active Powered Loudspeaker PAIR with Ultimate speaker stands and Microphone Cables D Contour optimizes the DBR12 for main speaker or floor monitor use. Onboard mixer lets you select either a direct output or a mixed output. Comprehensive inputs for mixer, musical instrument, or media players.Amplifier and power supply design provides powerful output from a compact speaker DSP controlled protection functionality promotes optimum reliability.The high power output woofers deliver well-defined, powerful bass with minimal distortion, while the 1.4" precision compression driver produces accurate mid-range and high frequencies. 1000W Dynamic Output. Class D Amplifier.On-Board 2-Channel Mixer.Designed for Portability.Enclosure Design for Floor Monitoring. yamaha studio speakers , yamaha studio speakers , yamaha amplified speakers , amplifier speaker Yamaha , amplifier speaker Yamaha , floor speakers , speaker stands for large speakers , monitor speaker stands , computer speakers , microphone cables , ultimate speaker stands ,outdoor speakers asin B00NIS8IZ0 and upc 86792992426 is for Yamaha mp3 speakers