Black Tonearm Headshell with Moving Magnet M27BS cartridge and Diamond Stylus Fits: Hitachi: HT-350, HT-353, HT-354, HT-356, HT-550 Complete unit with Cartridge and Needle ready to just plug in, balance and play Type: Moving magnetic cartridge with diamond stylus needle Model: M27BS Excellent sound quality and strong tracking ability; Output voltage (at 1k Hz, 5 cm/sec): 5.5 mV +- 3dB; Channel balance (at 1kHz): below 1 dB; Channel separation (at 1kHz): more than 15 dB; Frequency response: 20 ~ 20k Hz; Tracking force: 3.0g (2.5 ~ 3.5g); Stylus Tip: stereo spherical diamond tip