Features: [hifi Sound Quality]:Advanced auditory technology provides clear and accurate sound reproduction, allowing you to enjoy a hifi music experience. [WIDE COMPATIBILITY]:Replaceable Model Phono needle: for AT3600L AT-LP60 PL300 MM Dynamic Magnetic Turntable Needle. [EASY INSTALLATION]:User-friendly design for quick and easy installation, not need professional tools or skills required. [Durability]: to ensuring not distortions for long time use, improve the life of the phono needle and reduce the frequency of replacement. [Outstanding Trackings Capability]: Accurate track trackings performances effectively reduces noise and distortions, allowing every detail to be perfectly rendered and enhancing enjoyment. Specifications: Output voltages: 4.2mV Frequency response: 20Hz-20kHz Channel balance: 1.5 decibels Channel separation at 1kHz/10kHz: 24/15dB Acupunctures: 2-2.5g Size：about 3x2x2cm/1.18x0.79x0.79in Pen structure: circular handle connection- Calling hole distance: 13mm (measure the center distance of the two holes) Distribution of fixed wire Package Includes: 1PC Cartridge Needle note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution