Fosi Audio BOX X3 Tube MM Phono Preamplifier Bluetooth 5.0 with Power Adapter
Warm up your vinyl setup with the Fosi Audio BOX X3, a compact tube MM phono preamp with added Bluetooth and AUX flexibility. This mini hi-fi preamp is designed for moving-magnet turntables and also lets you stream wirelessly or connect a 3.5mm source, making it a versatile addition to a vintage or modern stereo system. Bass, treble, and volume controls let you fine-tune the sound, while the compact footprint fits easily into tight audio setups. Fully tested, refurbished, and SPENCERTIFIED for reliable everyday listening.
CONDITION
SPENCERTIFIED- Fully certified by Spencer
Refurbished and SPENCERTIFIED
100% tested and functional. Controls and switches cleaned with WD-40 Specialist Electrical Contact Cleaner. Internal boards and connections inspected, and MM phono input, Bluetooth pairing, AUX input, RCA output, and tone controls verified for proper operation.
Cosmetic Condition: 9/10
Functional Condition: 10/10
WHAT'S IN THE BOX?
- Fosi Audio BOX X3 Tube MM Phono Preamplifier Bluetooth 5.0 with Power Adapter
- Analog Audio Cables
Other information about the Fosi Audio BOX X3
- Product Adapter Input /Voltage Range: AC 100V – 240V
- DC Input Voltage: 12V
- Output Voltage Level: 1kHz and 650mV
- SNR: 70dB
- THD: ≤0.1%
- Bass control
- Treble Control
- Equalization: Standard RIAA
DIMENSIONS
- Size: 3.97" W x 4.72" D x 1.37" H
- Weight: 0.75 lbs
INPUTS
- AUX x1 (front)
- Phono x1 L/R (back)
- GND x1 (back)
OUTPUTS
- Analog Audio x1 L/R (back)
