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Introduction
Thank you for purchasing the Fosi Audio P3 Tube Preamplifier!
The Fosi Audio P3 is a genuine tube preamp, with the tube working voltage
reaching up to 54V. It features the QCC3031 Bluetooth chip, supporting
aptX, aptX HD, and aptX LL audio formats, offering enhanced sound quality
and as low as 60ms latency. The P3 comes with RCA out, AUX out, and a
3.5mm headphone jack, perfectly suited for your desktop use, delivering
the ultimate auditory experience. The tubes are replaceable, adding to the
fun of personalizing your setup. Combined with the glacier-colored light, it
feels closer to nature. We believe that technology and nature can coexist
harmoniously, and technological innovation can serve to enrich our lives.
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1 3.5mm headphone jack 2 Volume knob
3 Treble knob (±6dB)
6 Power switch/mode selector
7 Bluetooth reset switch: Hold for 3 seconds to clear Bluetooth pairing
8 RCA input
11 DC 12V power in 12 Bluetooth antenna port
13 5654W tubes
9 RCA output 10 AUX output
4 Bass knob (±12dB)
5 Mode indicator light: RCA mode - steady red light,
Bluetooth pairing mode - blue light flashing,
Bluetooth connection successful - steady blue light
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