Equalizers Are The Most Cost Effective Way To Improve Any Home Audio System. Flat Frequency Response, Uniform Output Across The Entire Bandwidth, Is A Feature Of Any Great System. This Can Be Impeded By Room Size And Shape, Source Material And The Limits Of Any Sound System. An Equalizer Can Negate Poor Acoustics, Help Balance Low-quality Recordings And Make Your System Sound More Realistic. The Audiosource Eq 100 And Eq 200 Are VerSatile, Affordable Graphic Equalizers. Illuminated Leds In The Twenty Sliders Let You Check Your Settings Even From Across The Room. The Bright Spectrum Analyzer Displays Allow You To Monitor Your Systems Output. Left And Right Sliders Can Be Set Independently, As Can Level Controls For Each Channel. With 90 And 95 Db Signal To Noise Ratios And 0.02% And 0.01% Thd, The Eq 100 And Eq 200 Quietly Balance Your System.