The DBX 2231 20 Series EQ’s. You used to have to settle for second best in a reasonably priced EQ but not any more. With the new 20 Series from dbx® Professional Products you get a great EQ circuit, a graceful yet powerful limiter and the revolutionary new design of the Type III® Noise Reduction. Check out the dbx® 20 Series graphic EQ’s at your pro audio outfitter. You’ll see, with the 20 Series EQ’s you get both MORE!!