Fangrui Product Details Fangrui Product Details Features: Box M1 Is A Mini Stereo Hi-fi Phono Preamplifier For Mm Turntable With Dc 12v Powersupply. The Box M1 Supports Mm Turntable Input, 3.5mm Headphone Output And Rca Line Output For Powered Speakers.compact Ultra-low Noise Phono Turntable Preamp That Converts Phono Signals To Line Level Signals. The Box M1 Electronic Preamplifier Stands Up To The Test And Will 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 Snr 70db Thd 0. @1khz And 3mv Frequency Response: Standard Riaa Input Mode: Mm Input Output Mode: Rca 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