Video of REQ42-B: Rockville REQ42-B The Rockville REQ42-B is a 19” rack mountable equalizer that has individual LED indicators and RCA outputs. It has a frequency response of 20-20 000 Hz and a Signal to Noise Ratio Signal to Noise Ratio of 80dB. This equalizer has a weight of 6 lbs. Features: Rockville REQ42-B Black 19 Rack Mount 2 x 21 Band Equalizer 19 Rack Mountable Dual Channel 21+21 Band Graphic Equalizer (total of 42 bands) Blue LED on each Equalizer Slide Control RCA stereo input: DVD/Tape/Tuner/Aux-MP3 with Front Panel Selector Switch RCA Stereo Record Output Front Panel 3.5mm iPod/MP3 Player Input Jack Dual VU Meters Level Monitor Individual LED Indicators Outputs-RCA (REC Mail) Multi Color LED Display Low/High Function Frequency Response: 20-20 000 Hz Signal to Noise Ratio: 80dB Removable Rack Mount Brackets Owner’s Manual About Rockville Quality Control Procedures: The Rockville brand stands for Quality Innovation and Value. All Rockville products go through the most rigorous quality control standards in the industry. Products go through months of extensive testing before they reach your hands. All user functions are tested and all internal components are tested for quality. Rockville makes products that are virtually un-breakable! Rockville is one of the only brands in its class to test every concept model for weeks or months before starting production. Once production begins Rockville sends product engineers to their factory to quality control every line of production. During production every product is tested and on top of that Rockville goes the extra mile and has their high level product engineers do an additional quality control. They test a certain percentage of all products from the production line a second time to ensure that the quality meets their vigorous standards and to make sure that there is never a batch of products with even a slight problem. All Rockville products are backed with a hassle free warranty.