The URS N12 is our easiest equalizer to operate. It combines vintage sound with modern features. The Twelve Bands are spread over four octaves. Getting the right EQ with the URS N12 series is fast! The URS N12 series provides the engineer with twelve bands of EQ. Quick adjustments for track sweetening or specific problem solving. Main Features: Pro Tools 7.4.x and Leopard OSX 10.5.x compatibilityPro Tools 7.x.x and Tiger OSX 10.4.x compatibilityPro Tools 6.9.2 and Tiger OSX 10.4.x compatibilityPro Tools 6.9.2 and Panther OSX 10.3.9 compatibilityPro Tools 6.7 and Panther OSX 10.3.9 compatibilityPro Tools 6.2.3 and Jaguar 10.2.8 compatibilityPro Tools 5.3.1 and Mac OS9 compatibilityPro Tools 7.x.x M-Powered version compatibilityFull Windows XP support!Full Pro Tools TDM support for Pro Tools|HD Accel, Pro Tools|HD and Pro Tools 24|MIX systemsFull 192 kHz support for TDM, RTAS and AudioSuite versionsFull ProControl, Control|24, Command|8 and Digi 002 supportFull ICON Console Control Surface support — including center section Dynamics panelSupports Mbox, Digi 001, Digi 002, Digi 002 Rack, Pro Tools|24 MIX, Pro Tools|HD and Pro Tools|HD Accel and M-Audio Interfaces.Audio Units support for Logic Pro 8.x thru 6.x, Digital Performer 6.x thru 4.x, Bias Peak 6.x thru 4.x, Abelton Live 7.x through 6.x, Final Cut Pro and more!VST support for Mac and PC Cubase, Nuendo, Sonar, Abelton Live, Acid, Sound Forge, Reaper, Wavelab, Bias Peak and more! Specifications: Number of Bands: TwelveFrenquencys : 30Hz, 60Hz, 110Hz, 220Hz, 350Hz, 700Hz, 1.6Khz, 3.2K, 4.8K, 7K, 10K, 12kNumeric Display displays Cut and Boost to .1dbClick Numeric Display to enter amount of Gain in .1db incrementsFilter Boost/Cut: +/- 12dBFilter Slope: 12dB per OctaveVariable Q slider effects Q all 12 Bands simultaneouslyInput and Output Meters with Gain clipping indicatorPhase reverse switchIn / Out Bypass switchInput and Output Line Trim -40db to +4db18 Instances per HD Accel chip and 8 Instances per HD chip and 5 per MIX chip Registration InformationSerial Number