Redner RF6400 4.1 Multimedia SpeakerThe Redner RF6400 4.1 Multimedia Speaker features a 100-watt loudspeaker output. This speaker's frequency response ranges from 40Hz to 20kHz. The signal-to-noise ratio of the Redner RF6400 4.1 Multimedia Speaker is 75dB, and the distortion rate is 0.10 percent. Th..