Fosi Audio BOX X2 Stereo Preamplifier for Turntable

Tube Phono Preamplifier: converts phono signals to Line Level Signals with Low noise integrated circuits and high-quality components to remove low-frequency noise ensure clear sound quality;
The Gain Setting: 4-levels of output level setting (OFF/39/42/45 dB). It can keep the purity of the sound and avoid the resistor influence.
Two Input Way: preamplifier input(CD/DAC/Phone/TV etc.), MM input. The preamp comes with a 12V power supply.MM Grounding post to protect your MM.
Matched Tubes: Tubes can be replaced by JAN 5654W/6K4/6J1/6J4/ GE5654/6AK5/66*In tubes etc, Different tubes with different sounds.
High-Quality After-sale Service: 24 months warranty and 24 hours after-sale service online to provide you a great shopping experience.

Fosi Audio Box X2. Tube Preamplifier, Tube MM Phono Preamplifier. As the Tube Phono Preamplifier. MM Turntable RCA Input. Great Warm,
Smooth Sounding Phono Preamp. 3.5 MM AUX Input

Specifications 
Model BOX X2
Input Mode RCA+3.5mm AUX
Output Mode Active Speakers
Frequency Response Standard RIAA
THD ≤ 0.1%
SNR ≥ 98dB
Product Weight 0.66 lb/300g
Device Dimension 4.66 inch/3.85 inch/1.29 inch
DC Input Range 12V
Input Voltage Range AC 110V – 240V
Output Voltage Level 600 Mv @3mV 1kHz
Power Supply 12V 1.5A
Bluetooth Audio Codec SBC/AAC
Voltage Range DC 12V-24V