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 SNR ≥ 70dB ≤ 0.08% @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 allowed error is +/- 1-3cm.