Audiophoria
Fosi Audio P3 Tube Preamplifier

Tube preamplifier and headphone amp with 2 Ɨ 5654W tubes, Bluetooth 5.1 aptX HD, tone controls and 16–300Ī© support.

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€70.00

Includes 20% VAT

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System Matching Guide

Optimal For:

Compact systems needing tube preamp, Bluetooth and headphones

Not Ideal For:

Systems requiring digital USB, optical or coaxial inputs

Power Consumption: little

Pair with the V3 Mono

Use the P3 as the tube preamplifier and source controller ahead of a pair of RCA-connected V3 Mono power amplifiers.

In StockFosi
Fosi Audio V3 Mono compact Class D monoblock power amplifier front view

Fosi Audio V3 Mono Power Amplifier

Amplifiers | Power Amplifiers

€142.00

Highlights

Tube Stage
2 Ɨ replaceable 5654W vacuum tubes
Tube Voltage
Up to 54V operating voltage
Wireless Audio
Bluetooth 5.1 with aptX HD and aptX LL
Headphone Support
16–300Ī©
Tone Control
Bass ±12dB / treble ±6dB
Analogue Outputs
Stereo RCA + 3.5mm AUX

FOSI AUDIO P3 TUBE PREAMPLIFIER

The Fosi Audio P3 is a compact tube preamplifier and headphone amplifier designed for desktop and small Hi-Fi systems. It combines a stereo RCA input with Bluetooth reception, variable analogue outputs and a front headphone connection, making it suitable for use ahead of a power amplifier, active speakers or headphones.

GENUINE 5654W TUBE STAGE

The P3 uses two replaceable 5654W vacuum tubes in its preamplifier circuit. Fosi Audio specifies an internal tube operating voltage of up to 54V, allowing the valves to operate as an active part of the amplification stage rather than serving only a decorative function. The tubes can also be replaced with compatible alternatives for users interested in tube rolling.

BLUETOOTH 5.1 WITH APTX HD

Wireless audio is handled by a Qualcomm QCC3031 Bluetooth 5.1 receiver. Supported codecs include SBC, AAC, aptX, aptX HD and aptX Low Latency, providing convenient playback from compatible phones, tablets and computers without requiring a separate Bluetooth receiver.

HEADPHONE AMPLIFIER FOR 16–300Ī© LOADS

A 3.5mm headphone output is located on the front panel and supports headphones from 16Ī© to 300Ī©. Output power reaches 250mW at 16Ī© and 150mW at 32Ī©, with lower output available for higher-impedance headphones.

BASS & TREBLE CONTROL

Dedicated bass and treble controls provide direct analogue adjustment, with up to ±12dB bass and ±6dB treble range. Central detents make it easy to return the controls to their neutral positions, while the main volume control governs the connected headphone or downstream system level.

COMPACT PREAMP SYSTEM HUB

The rear panel provides stereo RCA input, stereo RCA output and a 3.5mm AUX output. This allows the P3 to feed a stereo power amplifier, active speakers or another compatible line-level component while also providing Bluetooth input and headphone listening from the same compact unit.

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