Aiden Goyette DVMFosi AuDr. Hank Dibbert Idio Phono Preamp foMr. Hilbert GutkowskiAudreanne Volkmanr Turntable POdessa Johns IVDr. Marilyne Turcottehonograph PreampNia Ernserlifier Maymie CassinAlan JohnstonWith 5654WNatalia Dibbert Vacuum Tube AmHallie VandervortplifieProf. Michaela Leschr HiFiBernadine Ebert BOX X4 WiDr. Deontae DaughertyJulien Roweth 12V Power SuCitlalli StarkZaria Roobpply

Fosi Audio Phono Preamp for Turntable Phonograph Preamplifier With 5654W Vacuum Tube Amplifier HiFi BOX X4

Notice:BOX X4 is only a preamplifier, not amplifier, can not be connected with passive speakers directly, If you need connect BOX X3 with passive speakers, you need to connect it with an amplifier then connect the amplifier with your passive speakers.

Features:

• Fosi Audio BOX X4 is a Hifi tube phono preamp and headphone amplifier for MM turntable that features Volume control and Bass/Treble control with DC 12V power supply. The BOX X4 supports MM turntable input, 3.5mm AUX input and 3.5mm headphone output and RCA line output for powered speakers or amplifiers for your home audio system. Compact ultra-low noise phono turntable preamp that converts phono signals to line level signals. The BOX X4 equipping with 5654W vacuum tubes stands up to the test and will provide you with serious sound performance.

Highlight:

• Model: BOX X4

• Power Adapter Output: 12V

• Product Adapter Input Voltage Range: AC 100V - 240V

• Output Voltage Level: 1kHz and 650mV

• SNR ≥ 70dB

• THD ≤ 0.1%

• Frequency Response: Standard RIAA

• Product Weight: 0.71 lb/320g

• Product Dimensions: 3.97x4.72x1.37 inch (10.09*12*3.5 cm)

• Input Mode: MM turntable input +3.5mm AUX

• Output Mode: RCA output + 3.5mm headphone output

• Applicable headphone types: 16 Ω - 300 Ω

Package Include:

*Box X4 Phono Preamp x1

*5654W Vacuum Tubes x2

*12V Power Adaptor x1

*User Manual x1