Stanton 680.V3 MP4 680 V3 MP4 Cartridge Wide-Band Frequency Response Gives Users High-Energy Record Playback^Stable Suspension For Those Less-Than-Perfect Club Setups^Mp4 Package Includes 2 Matched Cartridges Mounted On Tone-Arm Devices Inside A Small & Practical Flight Case Cartridge ideal for turntable scratching or club play Good low-end response for hectic club environments Forgiving suspension design Wide-band frequency response for high energy record playback and extra punch MP4 package includes 2 matched cartridges, mounted on tone-arm like devices, inside a small and practical road-worthy clear "flight-case"