
BRZHIFI PA-OF2 Class D Integrated Amplifier
Key Features
- Working method: Class D
- Output power: 300W + 300W @ 4Ω
- Total Harmonic Distortion: 0.005%
- Dynamic Range :> 110dB
- Frequency response: 20Hz – 20kHz ±1dB
- Input: BT 5.0/RCA
Cash / Online Payment · EMI Available
Specification
Amplifier
Amplifier Class
Class D
Power Chip/IC
TPA Series
Output Impedance
4-8 Ohms
Input Voltage
230V AC
Colour
Black
Description
BRZHIFI PA-OF2 Class D Integrated Amplifier
The BRZHIFI PA-OF2 Class D Integrated Amplifier is a high-performance integrated amplifier designed for audiophiles and home audio enthusiasts who demand powerful output, ultra-low distortion, and advanced digital processing in a compact design. Built with a multi-chip Hi-Fi architecture including TPA3255, ES9023 DAC, NE5532 op-amp, and advanced Bluetooth processing, this amplifier delivers studio-grade sound quality with strong stereo performance.
Engineered for modern audio systems, the PA-OF2 combines analog warmth with digital precision, making it suitable for music listening, home theater setups, desktop Hi-Fi systems, and wireless streaming environments.
Advanced Multi-Chip Hi-Fi Audio Architecture
The BRZHIFI PA-OF2 stands out due to its advanced multi-chip design that integrates several high-quality audio processing components into one system.
Core Audio Components
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TPA3255 power amplifier chip
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ES9023 digital-to-analog converter
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NE5532 operational amplifier
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JRC8820 audio processing module
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CD2399GO digital audio processor
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Jerry’s Bluetooth chip
Benefits of Multi-Chip Design
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High precision audio decoding
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Improved sound clarity and detail
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Enhanced stereo separation
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Reduced signal distortion
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Balanced audio processing
This combination ensures professional-grade sound reproduction across all audio sources.
Powerful TPA3255 Class D Amplification
At the heart of the amplifier is the TPA3255 Class D chip, known for its high efficiency and powerful output capability.
Amplification Benefits
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High-efficiency power delivery
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Low heat generation
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Stable long-term performance
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Strong dynamic range
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Clean and distortion-free output
This ensures the amplifier performs consistently even at high volume levels.
Ultra-High Power Output Performance
The PA-OF2 delivers impressive output power, making it suitable for medium to large speaker systems.
Power Output Specifications
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300W + 300W @ 4Ω
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150W + 150W @ 8Ω
Output Benefits
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Strong and immersive sound performance
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Suitable for large rooms
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Powerful bass response
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High headroom for dynamic audio
This makes it ideal for home theater and Hi-Fi setups.
High-Resolution Digital Audio Processing
The amplifier supports high-resolution audio processing for multiple input formats.
Sampling Rate Support
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UDISK / TF Card: 44.1kHz – 48kHz
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USB: 16–32 Bit / 44.1kHz – 96kHz
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AUX / Bluetooth: 24 Bit / 48kHz
Benefits of High-Resolution Audio
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Detailed sound reproduction
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Accurate instrument separation
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Clear vocal performance
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Improved audio realism
This ensures studio-quality playback at home.
Advanced ES9023 DAC Performance
The ES9023 digital-to-analog converter enhances audio precision and clarity.
DAC Benefits
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High-quality digital conversion
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Reduced signal noise
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Improved sound transparency
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Enhanced musical detail
This ensures clean and natural sound output.
Bluetooth 5.0 Wireless Connectivity
The PA-OF2 includes modern Bluetooth 5.0 technology for stable wireless audio streaming.
Bluetooth Features
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Stable wireless connection
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Fast pairing capability
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Low latency transmission
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High-quality audio streaming
Benefits
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Easy smartphone connectivity
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Wireless music playback
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Reduced cable clutter
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Convenient user experience
This makes it suitable for modern wireless audio environments.
Multiple Input Options for Maximum Flexibility
The amplifier supports a wide range of input sources for versatile usage.
Input Interfaces
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Bluetooth 5.0
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USB drive (UDISK)
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TF card slot
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PC USB input
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AUX 3.5mm input
Benefits
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Compatible with multiple devices
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Easy plug-and-play functionality
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Flexible music playback options
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Supports both digital and analog sources
This ensures seamless integration into any audio system.
High Signal-to-Noise Ratio for Clean Audio
The BRZHIFI PA-OF2 offers an extremely high signal-to-noise ratio of -110dB, ensuring crystal-clear audio output.
SNR Benefits
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Ultra-clean background sound
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Minimal noise interference
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Enhanced clarity and detail
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Professional-grade audio output
This makes it ideal for critical listening environments.
Ultra-Low Distortion Performance
The amplifier features a total harmonic distortion of just 0.005%, ensuring highly accurate sound reproduction.
THD Benefits
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Pure audio signal output
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Reduced sound distortion
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Natural sound reproduction
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Improved listening accuracy
This ensures faithful audio playback.
Wide Frequency Response Range
The PA-OF2 delivers a frequency response range of ±1dB from 20Hz to 20kHz.
Frequency Benefits
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Deep bass reproduction
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Clear midrange performance
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Smooth high-frequency detail
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Balanced sound spectrum
This ensures full-range audio accuracy.
Compact and Lightweight Design
The BRZHIFI PA-OF2 is designed with a compact and lightweight body for easy placement and portability.
Physical Specifications
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Size: 242 × 158 × 64 mm
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Weight: 1.6 kg
Design Benefits
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Space-saving structure
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Easy installation
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Portable Hi-Fi solution
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Modern compact design
This makes it suitable for desktop and home setups.
Speaker Compatibility and Output Design
The amplifier is optimized for stereo speaker systems.
Output Configuration
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Speaker Output: Left / Right (R/L)
Compatibility
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Bookshelf speakers
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Floor-standing speakers (small to medium)
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Home theater speakers
This ensures flexible system integration.
High-End Audio Performance for Music and Movies
The PA-OF2 is designed for both music enthusiasts and home theater users.
Audio Experience Benefits
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Immersive soundstage
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Clear dialogue reproduction
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Deep bass impact
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Balanced stereo imaging
This enhances entertainment experiences significantly.
Energy Efficient Class D Technology
The amplifier uses Class D technology for efficient power usage.
Efficiency Benefits
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Low energy consumption
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Reduced heat output
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Stable performance
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Long-term reliability
This makes it suitable for continuous daily use.
Ideal Applications of BRZHIFI PA-OF2
The amplifier is suitable for various audio environments.
Home Audio Systems
Perfect for music listening and entertainment.
Desktop Hi-Fi Setup
Ideal for PC-based audio systems.
Home Theater Systems
Provides immersive cinematic sound.
Wireless Streaming
Supports modern Bluetooth audio playback.
Why Choose BRZHIFI PA-OF2 Amplifier
The BRZHIFI PA-OF2 stands out as a powerful and versatile Hi-Fi amplifier with advanced digital processing and high-output performance.
Key Features Summary
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TPA3255 high-power amplifier chip
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ES9023 high-quality DAC
-
NE5532 audio op-amp
-
300W + 300W powerful output
-
Bluetooth 5.0 connectivity
-
Ultra-low 0.005% THD
-
-110dB signal-to-noise ratio
-
Multiple input options
-
Compact and modern design
-
Wide frequency response
This makes it a complete Hi-Fi solution for modern users.
Audio Phonic Quality Commitment
Audio Phonic ensures that every product delivers high-quality sound performance, durability, and user satisfaction. The BRZHIFI PA-OF2 reflects this commitment through its advanced engineering and premium audio components.
It is designed to deliver professional-grade sound in a compact and efficient system.
Technical Specifications of BRZHIFI PA-OF2
General Information
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Brand: BRZHIFI (Audio Phonic distribution context)
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Product Name: BRZHIFI PA-OF2 Class D Integrated Amplifier
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Category: Integrated Amplifier
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Amplifier Type: Class D
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Channel: 2.0 Stereo
Power Output
-
300W + 300W @ 4Ω
-
150W + 150W @ 8Ω
Audio Processing
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THD: 0.005%
-
SNR: -110dB
-
Frequency Response: 20Hz – 20kHz ±1dB
Connectivity
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Bluetooth 5.0
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USB / TF Card / PC / AUX / UDISK
Physical Specifications
-
Size: 242 × 158 × 64 mm
-
Weight: 1.6 kg
Frequently Asked Questions (FAQs)
What type of amplifier is the BRZHIFI PA-OF2?
It is a Class D integrated stereo Hi-Fi amplifier.
How much power does it deliver?
It delivers 300W + 300W at 4Ω and 150W + 150W at 8Ω.
Does it support Bluetooth?
Yes, it supports Bluetooth 5.0 for wireless streaming.
What audio formats are supported?
It supports USB, TF card, AUX, and Bluetooth audio playback.
What is the distortion level?
The THD is extremely low at just 0.005%.
What is the signal-to-noise ratio?
It offers -110dB SNR for clean sound output.
Is it suitable for home theater use?
Yes, it is perfect for home theater and Hi-Fi systems.
What makes it special?
Its multi-chip architecture and ultra-low distortion make it highly advanced and powerful.



















