The Audio-Technica AT440MLA Dual Moving Magnet Cartridge has a MicroLine shaped diamond tip for better high frequency response with less wear and distortion than elliptical or conventional linear contact styli. It has dual magnet cartridge design, paratoroidal generator coil circuit, a Micro-Linear stylus, and PCOCC wire.Package Content:AT440MLA cartridgeinstructions / warrantyOutput 4.0 (mV at 1 kHz, 5 cm/sec)Channel balance 0.8 (dB at 1 kHz)Stylus shape MicroLineCantilever Tapered alloy tubeMount Half-inchHeight 3.10Width 2.30Depth 1.50Weight 0.14ColorOperating SystemBatteries IncludedBatteries RequiredNumber of BatteriesBattery TypeLanguage EnglishAssembly Required