
Fosi Audio P4 Stereo Solid-State Pre-Amplifier (2.0 Channel)
Key Features
- Advanced Stereo Solid-State Pre-Amplifier Architecture
- Ultra-Low Distortion Design
- Multi-Input Audio Control Hub
- High-Precision Motorized Volume Control
- Remote Control Operation
- Advanced Tone Control System
- Ultra-Low Noise Floor Design
Cash / Online Payment · EMI Available
Description
Fosi Audio P4 Stereo Solid-State Pre-Amplifier (2.0 Channel) Price in Bangladesh
Fosi Audio P4 Stereo Solid-State Pre-Amplifier is a compact yet highly advanced HiFi control hub designed for audiophiles who want precise sound control, multiple input flexibility, and clean signal performance in a small form factor. At Audio Phonic, we provide original Fosi Audio products in Bangladesh for users who demand high-quality stereo preamplification with modern usability and audiophile-grade clarity.
The P4 is designed as a 2.0 channel solid-state preamplifier with multiple RCA inputs, tone control, motorized volume control, and remote operation. It is ideal for home HiFi systems, desktop audio setups, and multi-source audio environments where switching between devices must be fast, smooth, and distortion-free.
This device acts as a central audio control hub, allowing users to manage multiple audio sources while maintaining high fidelity sound quality.
Advanced Stereo Solid-State Pre-Amplifier Architecture
The Fosi Audio P4 is built using a precision-engineered solid-state circuit designed for clean and accurate audio reproduction.
High-Fidelity Signal Processing
Ensures transparent and detailed sound output.
Ultra-Low Distortion Design
Maintains natural and accurate audio reproduction.
Balanced Stereo Output
Preserves channel separation for immersive listening.
Stable Audio Performance
Consistent sound quality across all volume levels.
This architecture ensures the P4 performs like a professional-grade audio control center.
Multi-Input Audio Control Hub
The P4 is designed as a true multi-source audio switching system.
Three RCA Input Support
Connect multiple devices such as:
CD players
DACs
Streamers
Cassette decks
Phono preamps
Easy Source Switching
Allows instant switching between connected devices.
Seamless Audio Integration
Works as a central hub for all HiFi equipment.
Flexible System Design
Ideal for complex audio setups.
This makes the P4 highly versatile for modern HiFi systems.
High-Precision Motorized Volume Control
One of the key features of the P4 is its advanced volume control system.
Motorized Analog Potentiometer
Ensures smooth and precise volume adjustment.
Remote Control Operation
Allows convenient wireless control.
Low Noise Operation
Minimizes distortion during volume changes.
High Accuracy Control
Maintains channel balance at all volume levels.
This ensures a premium user experience in daily use.
Advanced Tone Control System
The Fosi Audio P4 includes professional-grade bass and treble adjustment features.
Bass and Treble Control
±12dB adjustment range.
Tone Bypass Function
Enables pure signal path when needed.
Flexible Sound Tuning
Adjust audio based on personal preference.
Genre Optimization
Suitable for music, movies, and gaming.
This allows users to customize their listening experience easily.
Exceptional Audio Performance
The P4 delivers high-end sound quality with extremely low distortion.
Signal-to-Noise Ratio
≥110dB ultra-clean audio performance.
Dynamic Range
≥110dB wide sound expression.
Total Harmonic Distortion
≤0.003% extremely low distortion.
Crosstalk Performance
≥105dB stereo separation.
These specifications ensure audiophile-level sound clarity and precision.
Ultra-Low Noise Floor Design
The P4 is engineered for quiet background performance.
Noise Floor Level
≤9µV ultra-low noise output.
Benefits
Silent Background
No audible hiss or interference.
High Detail Retrieval
Captures subtle audio textures.
Clean Signal Path
Ensures accurate sound reproduction.
This is essential for high-end listening environments.
Wide Frequency Response Performance
The P4 delivers accurate full-range audio reproduction.
Frequency Response
20Hz – 20kHz (±0.1dB)
Benefits
Deep Bass Accuracy
Controlled low-frequency output.
Natural Midrange
Clear vocal reproduction.
Smooth High Frequencies
Non-fatiguing treble response.
This ensures balanced sound across all music genres.
Compact and Durable Design
The Fosi Audio P4 is designed for modern minimalistic setups.
Space-Saving Form Factor
Fits easily into desktop systems.
Strong Build Quality
Provides long-term durability.
EMI Protection Design
Reduces electromagnetic interference.
Clean Aesthetic
Matches modern HiFi equipment.
This makes it ideal for small and medium audio setups.
Flexible Power System
The P4 operates on a simple and stable power system.
Power Input
DC 12V / 1.5A
Benefits
Energy Efficient Operation
Low power consumption.
Stable Performance
Consistent audio output.
Safe Usage
Designed for continuous operation.
This ensures reliable everyday performance.
Ideal Applications of Fosi Audio P4
The P4 is suitable for a wide range of audio systems.
Home HiFi Systems
Perfect for stereo control and switching.
Desktop Audio Setups
Ideal for personal listening stations.
Multi-Source Audio Systems
Manage multiple devices easily.
DAC and Amplifier Pairing
Enhances system flexibility.
Audiophile Listening Rooms
Provides precise audio control.
Its versatility makes it highly practical.
Why Buy Fosi Audio P4 from Audio Phonic
Audio Phonic is a trusted HiFi audio supplier in Bangladesh.
When you purchase from Audio Phonic, you get:
Original Fosi Audio Products
Guaranteed authentic HiFi equipment.
Competitive Pricing
Best value in the market.
Expert Audio Guidance
Professional setup recommendations.
Trusted Audio Store
Reliable service for audiophiles.
FAQs About Fosi Audio P4 Pre-Amplifier
What type of device is Fosi Audio P4?
It is a 2.0 stereo solid-state preamplifier.
How many inputs does it support?
It supports 3 RCA inputs.
Does it support tone control?
Yes, it supports ±12dB bass and treble adjustment.
Can tone control be bypassed?
Yes, it includes a tone bypass function.
What is the signal-to-noise ratio?
It offers ≥110dB SNR.
What is the distortion level?
THD+N is ≤0.003%.
What is the frequency response?
20Hz to 20kHz (±0.1dB).
Does it have remote control?
Yes, it includes remote operation with motorized volume.
What is the power input requirement?
DC 12V / 1.5A.
Where can I buy it in Bangladesh?
You can purchase the original Fosi Audio P4 from Audio Phonic.















