Fangrui Product Details Features: Box M1 Is A Mini Stereo Hi-fi Phono Preamplifier For Mm Turntable With Dc 12v Powersupply. M1 Supports Mm Turntable Input, 3.5mm Headphone Output And Line Output For Powered Speakers.compact Ultra-low Noise Phono Turntable Preamp That Converts Phono Signals To Line Level Signals. M1 Electronic Preamplifier Stands Up To The Test And Provide You With Serious Sound Performance. Highlight: Power Adapter Output: 12v/1.5a Product Adapter Input Voltage Range: Ac 100v - 240v Box M1 Phono Preamp Dc Input Voltage: 12v Output Voltage Level: 2v Max (p-p) At 10k Ohms Input Sensitivity: 300mv 70db 0. @1khz And 3mv Frequency Response: Standard Riaa Input Mode: Mm Input Output Mode: Output + Headphone Output Material:iron Colour: Black Package Contents: 1 X Phono Preamp(without Plug) Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement A