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Product Specifications
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.
Input Interface: MM turntable input,
3.5mm AUX input,
12V DC input
Product Adapter Input:
Voltage Range:
AC 100V - 240V
DC Input Voltage: 12V
Applicable headphone types: 16 Ω - 300 Ω
Output Voltage Level: 1kHz and 650mV
SNR 70dB
THD ≤0.1%
Frequency Response Standard RIAA
Product Weight 0.34kg
Output:
Active(powered) speakers,
Amplifier
Output Interface: RCA output,
3.5mm headphone output
Product Dimensions: 3.97x4.72x1.37 inch
(10.09*12*3.5 cm)
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