Featuring a Sophisticated Design and Easy Analog Operation, The 506II Is Dedicated To Enhancing Your Bass Guitar In Every Way. Use Any Of The 33 Dedicated Onboard Bass Effects With As Many As 9 At A Time To Achieve Stunning Enhancements Or New Musical Explorations. Unique Effects Such As "DeFret" Simulates The Sound Of A Fretless Bass While Other New Modulation Effects Such As Cry and Step Simply Have To Be Heard.