
BRZHIFI PAT-A500 Class A Tube Amplifier
Key Features
- Working method: Single Ended Pure Class A
- Output power: 8W × 2 (8Ω Class A)
- Total Harmonic Distortion: 0.5% (1kHz)
- Dynamic Range :>112 dB
- Frequency response: 20Hz – 25KHz
- Input: BT 5.0/RCA Lotus Terminals
Cash / Online Payment · EMI Available
Specification
Amplifier
Amplifier Class
Class A
Power Chip/IC
Electron Tubes
Output Impedance
4-8 Ohms
Input Voltage
230V AC
Colour
Silver
Description
BRZHIFI PAT-A500 Class A Tube Amplifier
The BRZHIFI PAT-A500 Class A Tube Amplifier is a high-end audiophile vacuum tube amplifier designed for music lovers who demand warm analog sound, rich detail, and modern wireless connectivity. Built with a single-ended Class A tube architecture combined with advanced digital decoding technology, this amplifier delivers a perfect blend of classic tube warmth and modern digital clarity.
Developed for serious listeners, the PAT-A500 offers powerful musical expression, deep emotional sound reproduction, and highly detailed audio performance. Whether used in a home audio system, professional listening environment, or audiophile setup, it delivers a premium sound experience with natural tone and impressive clarity.
Advanced Class A Tube Amplifier Design
The BRZHIFI PAT-A500 uses a single-ended Class A tube amplifier design, which is widely known for its pure and natural sound characteristics. Class A amplifiers operate in a way that the output devices conduct continuously, ensuring smooth signal flow and extremely low distortion.
This design is highly favored by audiophiles because it produces warm, musical, and emotionally rich sound reproduction.
Benefits of Class A Tube Amplification
-
Natural and warm sound signature
-
Smooth audio transition without harshness
-
High level of musical detail
-
Excellent harmonic richness
-
Low crossover distortion
-
Deep emotional sound reproduction
The PAT-A500 is designed to reproduce music in a way that feels realistic and immersive, making listeners feel closer to the original recording.
High-Performance Bluetooth 5.0 Connectivity
The BRZHIFI PAT-A500 includes advanced Bluetooth 5.0 support, allowing users to stream audio wirelessly from smartphones, tablets, laptops, and other devices.
Bluetooth 5.0 ensures low transmission delay, stable connectivity, and improved audio quality compared to older wireless standards.
Key Bluetooth Features
-
Low latency wireless transmission
-
Stable and fast pairing
-
Support for lossless audio formats
-
High-quality digital audio streaming
-
Extended connection range
This feature allows users to enjoy high-fidelity music playback without the limitations of wired connections.
Advanced PCM5102A DAC Decoding Chip
One of the most important highlights of the BRZHIFI PAT-A500 is the inclusion of the TI PCM5102A digital-to-analog conversion chip.
This high-quality DAC chip is widely recognized in the audio industry for delivering clean, detailed, and high-resolution sound reproduction.
PCM5102A DAC Features
-
24-bit stereo digital-to-analog conversion
-
Dynamic range of 112 dB
-
Distortion level around -93 dB
-
2.1V RMS output voltage
-
High-frequency clarity without distortion
-
Strong and deep low-frequency response
The use of this advanced DAC ensures that digital audio signals are converted into rich and natural analog sound with high precision.
Support for Multiple Digital Audio Protocols
The BRZHIFI PAT-A500 supports a wide range of modern digital audio protocols, ensuring compatibility with various devices and platforms.
Supported Protocols
-
A2DP
-
AVRCP
-
HFP
-
AAC
-
I2S
These protocols ensure smooth wireless communication, stable streaming, and high-quality audio transmission.
Benefits of Protocol Support
-
Seamless device compatibility
-
High-quality audio streaming
-
Stable wireless performance
-
Reduced signal delay
This makes the amplifier highly versatile for modern digital audio environments.
High-Quality Tube Audio Performance
The PAT-A500 is designed with a vacuum tube output stage that enhances the natural warmth and musicality of sound.
Tube amplifiers are known for their rich harmonic content and smooth tonal balance, which makes music feel more realistic and emotionally engaging.
Tube Sound Characteristics
-
Warm and smooth midrange
-
Rich harmonic texture
-
Natural vocal reproduction
-
Soft and musical treble
-
Deep and controlled bass response
This makes the amplifier ideal for genres such as jazz, classical, blues, acoustic, and vocal music.
Powerful 8W × 2 Output in Class A Mode
The BRZHIFI PAT-A500 delivers 8W × 2 output power in Class A mode, optimized for high-quality listening rather than raw loudness.
Although the wattage appears modest, Class A tube amplifiers deliver high perceived sound power due to their rich harmonic structure and smooth signal delivery.
Benefits of 8W × 2 Output
-
Excellent sound clarity at moderate levels
-
Ideal for high-sensitivity speakers
-
Smooth distortion-free performance
-
Strong musical presence
-
Perfect for audiophile listening environments
This output level is ideal for home listening rooms and dedicated audio setups.
Wide Frequency Response for Full-Range Audio
The amplifier supports a frequency response range of 20Hz to 25KHz, allowing it to reproduce a wide spectrum of audio frequencies.
Frequency Response Benefits
-
Deep and controlled bass reproduction
-
Clear midrange vocal performance
-
Smooth and extended high frequencies
-
Balanced overall sound signature
This ensures that every detail in the music is accurately reproduced with clarity and depth.
Low Total Harmonic Distortion
The BRZHIFI PAT-A500 features a total harmonic distortion level of approximately 0.5% at 1kHz.
While tube amplifiers naturally have higher harmonic content than solid-state systems, this harmonic structure is what gives tube amplifiers their musical and emotional sound character.
Benefits of Tube Harmonic Structure
-
Warm and natural sound reproduction
-
Enhanced musical expression
-
Smooth tonal balance
-
Pleasant listening experience
Instead of being a flaw, this harmonic behavior is what makes tube amplifiers highly desirable among audiophiles.
High Signal-to-Noise Ratio for Clean Audio
The amplifier provides a signal-to-noise ratio of 89 dB, ensuring reduced background noise and improved sound clarity.
Benefits of High SNR
-
Cleaner audio output
-
Better detail resolution
-
Reduced background interference
-
Improved listening experience
This ensures that music remains clear and immersive even during quiet passages.
Flexible Input Sensitivity and Impedance
The BRZHIFI PAT-A500 supports a wide input sensitivity range of 500mV to 2000mV and an input impedance of 47KΩ.
Benefits of Flexible Input Design
-
Compatibility with multiple audio sources
-
Stable signal processing
-
Reduced distortion from input mismatch
-
Better system integration
This makes the amplifier easy to integrate into different audio systems.
Premium Build Quality and Compact Design
The amplifier is built with a solid and durable chassis, ensuring long-term reliability and stability.
Physical Specifications
-
Size: 310 × 140 × 230 mm
-
Net Weight: 8.46 KG
-
Total Weight (with packaging): 12 KG
-
Volume Dimensions: 304 × 160 × 228 mm
Design Advantages
-
Strong anti-vibration structure
-
Durable metal housing
-
Compact audiophile design
-
Stable internal component layout
The heavy build quality improves sound stability and reduces unwanted vibration.
Easy Tube Installation and Maintenance
The amplifier uses a practical tube installation system, allowing users to replace or adjust tubes easily.
It is important to align the tube correctly with the socket orientation during installation for proper operation.
Maintenance Benefits
-
Easy tube replacement
-
Long-term usability
-
Flexible sound tuning options
-
User-friendly design
This allows audiophiles to experiment with different tube sounds.
Ideal Applications of BRZHIFI PAT-A500
The BRZHIFI PAT-A500 is suitable for a wide range of high-fidelity audio applications.
Home Audiophile Systems
Perfect for dedicated listening rooms where sound quality is the top priority.
High-End Music Playback
Ideal for classical, jazz, acoustic, and vocal music enthusiasts.
Desktop Audiophile Setup
Suitable for compact high-quality audio systems.
Professional Listening Rooms
Useful for sound evaluation and critical listening environments.
Why Choose BRZHIFI PAT-A500 Tube Amplifier
The BRZHIFI PAT-A500 stands out because it combines classic tube warmth with modern digital decoding technology. It delivers a unique blend of analog emotional depth and digital clarity.
Key Features Summary
-
Single-ended Class A tube design
-
Bluetooth 5.0 with low latency
-
High-performance PCM5102A DAC chip
-
24-bit high-resolution audio support
-
Wide frequency response
-
Rich tube harmonic sound
-
Flexible digital and analog input support
-
High signal-to-noise ratio
-
Premium build quality
This makes it an excellent choice for audiophiles who want both traditional tube sound and modern connectivity.
Audio Phonic Quality Assurance
Audio Phonic is committed to providing high-quality audio equipment designed for music lovers and professionals. The BRZHIFI PAT-A500 reflects this commitment through its premium components, advanced circuit design, and audiophile-grade sound performance.
Every element of this amplifier is carefully engineered to ensure natural sound reproduction, long-lasting durability, and an immersive listening experience.
Technical Specifications of BRZHIFI PAT-A500
General Information
-
Brand: BRZHIFI (Audio Phonic distribution context)
-
Product Name: BRZHIFI PAT-A500 Class A Tube Amplifier
-
Category: Tube Amplifier
-
Amplifier Type: Class A Single-Ended
-
Channel Configuration: 2 Channel
Audio Performance
-
Output Power: 8W × 2 (8Ω Class A)
-
Frequency Response: 20Hz – 25KHz
-
Total Harmonic Distortion: 0.5% (1kHz)
-
Signal-to-Noise Ratio: 89 dB
Digital Audio System
-
DAC Chip: PCM5102A (Texas Instruments)
-
Resolution: 24-bit stereo
-
Dynamic Range: 112 dB
-
Output Voltage: 2.1V RMS
Wireless Connectivity
-
Bluetooth Version: 5.0
-
Supported Protocols: A2DP, AVRCP, HFP, AAC, I2S
Physical Specifications
-
Size: 310 × 140 × 230 mm
-
Net Weight: 8.46 KG
-
Total Weight (Packed): 12 KG
Frequently Asked Questions (FAQs)
What type of amplifier is the BRZHIFI PAT-A500?
It is a single-ended Class A vacuum tube amplifier with Bluetooth and DAC support.
What tubes are used in this amplifier?
It uses vacuum tube-based architecture with advanced analog tube output stage.
Does it support Bluetooth?
Yes, it supports Bluetooth 5.0 with low latency transmission.
What DAC chip is used in this amplifier?
It uses the high-quality PCM5102A 24-bit DAC chip.
What is the output power of the PAT-A500?
It delivers 8W × 2 output power in Class A mode.
Is this amplifier suitable for audiophiles?
Yes, it is designed specifically for high-fidelity audiophile listening.
What is the frequency response range?
The frequency response is 20Hz to 25KHz.
Does it support digital audio formats?
Yes, it supports multiple digital audio protocols including AAC and I2S.
What is the signal-to-noise ratio?
The SNR is 89 dB for clean audio performance.
Why should I choose BRZHIFI PAT-A500?
It combines tube warmth, high-resolution DAC processing, and modern Bluetooth connectivity for premium audio performance.



















