Check the listing for details. Audio Logic AL Graphic Equalizers SC31. Condition: Used. Listed at 50.00 USD. Equalizer is missing several sliders. Enhance your audio experience with the Audio Logic AL Graphic Equalizers SC31. This powerful and compact equalizer is designed to provide you with complete control over your sound, allowing you to adjust the frequency response to your liking. With its intuitive user interface and high-quality construction, this equalizer is perfect for musicians and audio enthusiasts alike. Whether you're looking to improve your music or audio processing, the Audio Logic AL Graphic Equalizers SC31 is the perfect tool for the job. With its advanced features and high-quality construction, this equalizer is sure to deliver professional-quality results every time. So why wait? Get yours today and take your audio to the next level!