Fosi Audio BOX X3: Tube MM phono stage

With the BOX X3 tube preamp , the big brother to the BOX X2 , Fosi Audio is introducing an affordable, high-quality Hifi device for those who want the warm, rich sound of a tube amp. Combining...

Fosi Audio BOX X3
Fosi Audio BOX X3

With the BOX X3 tube preamp , the big brother to the BOX X2 , Fosi Audio is introducing an affordable, high-quality Hifi device for those who want the warm, rich sound of a tube amp. Combining vintage and modern technology, BOX X3 also features Bluetooth 5.0 for wireless connection of audio sources.

Fosi Audio BOX X3

On the front panel of the BOX X3 there is a volume control with bass and treble adjustment, as well as an auxiliary 3.5 mm jack input for connecting various audio sources, such as a telephone, DAC or others. The rear panel has a stereo RCA input and output with a GND terminal for phono connection to a turntable (MM).

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FOSI Audio BOX X3 is the ideal companion for a power amplifier or a pair of active speakers. It will enhance the sound quality of your Hi-Fi system. The package includes a pair of GE5654 (7-pin) lamps, which can be easily replaced with 5654W / 6K4 / 6J1 / 6J1P / 6J2 / 6J3 / 6J4 / 6J5 / 6AK5 / 6K4 / 6ZH1P / 4.3a / 4.3B / EF95 lamps, if you prefer a different sound. Overall, the BOX X3 is a great entry-level preamp.

Fosi Audio BOX X3

Features of Fosi Audio BOX X3:

  • Item Type: MM Phono Preamplifier
  • Bulbs: 2x GE5654
  • Inputs: 1x stereo RCA input with GND/ 1x auxiliary input 3.5 mm jack/ / Bluetooth
  • Output: 1x stereo RCA
  • Output voltage level: 650Mv @3mV 1kHz
  • SNR: ≥ 98 dB
  • THD: ≤ 0.1%
  • Frequency Response: Standard RIAA
  • Volume control
  • Compatible Item Type: MM
  • GND terminal
  • Power supply: DC 12V 1.5A
  • Black color
  • Dimensions: 101 x 120 x 35 mm
  • Weight: 350 g

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