
BRZHIFI PA-A1S Class A Power Amplifier 2 Channel (2.0)
Key Features
- Power Output: 20W per channel at 8 ohms
- Working Type: Single Ended Pure Class A
- Signal to Noise Ratio:105dB
- Total Harmonic Distortion:0.001% at 1kHz / 1W
- Frequency Range: 10Hz to 40kHz
- Input: RCA Lotus Tarminal
Cash / Online Payment · EMI Available
Specification
Amplifier
Amplifier Class
Class A
Power Chip/IC
Transistor
Output Impedance
4-8 Ohms
Input Voltage
230V AC
Colour
Silver
Description
BRZHIFI PA-A1S Class A Power Amplifier 2 Channel (2.0) – Pure Audiophile Sound in Bangladesh
The BRZHIFI PA-A1S Class A Power Amplifier 2 Channel (2.0) is a compact yet highly refined audiophile amplifier designed for listeners who prioritize pure sound quality, natural tonal balance, and ultra-low distortion performance. Available at Audio Phonic, this amplifier delivers a unique combination of true Class A warmth with surprising driving power, making it one of the most musical compact amplifiers in its category.
If you are searching for a high-quality Class A power amplifier in Bangladesh, the PA-A1S offers a premium listening experience with precision engineering and meticulous craftsmanship.
True Pure Class A Amplification for Natural Sound
The BRZHIFI PA-A1S operates on pure Class A amplification technology, which is widely respected in the audiophile world for its:
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Continuous signal conduction
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Zero crossover distortion
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Smooth and natural waveform reproduction
Although rated at 20W per channel at 8 ohms, its performance is equivalent in driving ability to a much higher-powered Class AB amplifier (around 100W+ per channel feel in real-world use).
This means you get:
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Warm and emotional sound signature
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Rich harmonic detail
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Smooth and fatigue-free listening experience
Compact Design with High-End Engineering
Despite its compact size, the PA-A1S is built with premium engineering standards.
Physical specifications:
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Dimensions: 335 × 208 × 75 mm
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Weight: 5.5KG
This solid construction ensures:
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Reduced vibration interference
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Stable internal circuitry
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Long-lasting durability
The amplifier’s minimalist design makes it ideal for desktop setups, home audio systems, and modern interior spaces.
Ultra-High Sound Clarity with Low Distortion
The BRZHIFI PA-A1S delivers exceptional audio purity with:
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Total Harmonic Distortion (THD): 0.001% at 1kHz / 1W
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Signal-to-Noise Ratio (SNR): 105dB
This results in:
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Crystal-clear sound output
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Extremely low background noise
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Accurate sound reproduction
Even at low volume levels, the sound remains clean, detailed, and natural.
Wide Frequency Response for Full Audio Range
The amplifier supports a frequency response of:
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10Hz to 40kHz
This ensures full-spectrum audio reproduction:
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Deep and controlled bass response
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Natural and expressive midrange
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Clear and extended treble
You can experience music with full detail and emotional depth, exactly as intended by the recording.
Warm and Musical Sound Signature
The BRZHIFI PA-A1S is designed to deliver a natural and emotionally rich sound signature.
Key characteristics include:
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Soft and smooth tonal balance
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Rich midrange presence
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Transparent and airy highs
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Tight and controlled bass
This makes it ideal for:
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Vocal music
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Jazz and acoustic recordings
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Classical music
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High-resolution audio playback
High-Quality Input and Output Connectivity
The PA-A1S is equipped with premium-grade audio connectors for superior signal transfer.
Input:
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RCA Lotus terminals
Output:
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High-end 24K gold-plated 6N copper banana female jacks
These ensure:
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Excellent conductivity
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Reduced signal loss
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Long-term durability
This high-quality connection system helps maintain pure audio transmission from source to speakers.
Speaker Compatibility
The amplifier supports speaker impedance:
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4 to 8 ohms
It works perfectly with:
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Bookshelf speakers
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Compact hi-fi speakers
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Mid-size floor-standing speakers
This flexibility makes it suitable for a wide range of home audio configurations.
Efficient Power Handling with Class A Design
The PA-A1S uses 20W pure Class A output power, which delivers:
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Continuous linear amplification
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Stable performance under load
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Smooth dynamic response
Although the wattage may appear low, Class A amplification ensures maximum sound purity and natural realism, which often feels more powerful than higher-rated digital amplifiers.
Precision Engineering and Craftsmanship
The BRZHIFI PA-A1S is built with meticulous attention to detail, focusing on:
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High-quality circuit design
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Clean signal path layout
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Premium internal components
This ensures:
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Stable performance
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Low interference
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Long-term reliability
Every element is optimized for pure audio reproduction rather than unnecessary processing.
Ideal Use Cases
The BRZHIFI PA-A1S is perfect for users who want high-end sound in a compact form factor.
Home audiophile setups
Ideal for pure music listening experiences.
Desktop hi-fi systems
Perfect for personal listening stations.
Studio reference listening
Provides accurate and natural sound reproduction.
Relaxed listening environments
Designed for long, fatigue-free listening sessions.
Why Buy from Audio Phonic
When you purchase the BRZHIFI PA-A1S from Audio Phonic, you receive:
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100% authentic product
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Best price in Bangladesh
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Reliable customer support
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Expert audio consultation
Audio Phonic ensures that every customer gets premium-grade audio equipment with trusted service.
BRZHIFI PA-A1S Price in Bangladesh
The BRZHIFI PA-A1S Class A Power Amplifier price in Bangladesh depends on availability and import conditions. However, it is considered a premium audiophile amplifier offering excellent value for pure Class A sound performance.
Technical Specifications
Model: PA-A1S
Brand: BRZHIFI
Type: Class A
Channel: 2.0
Power Output: 20W @ 8 ohms (Class A equivalent high thrust)
Frequency Response: 10Hz – 40kHz
Signal-to-Noise Ratio: 105dB
Total Harmonic Distortion: 0.001% @ 1kHz / 1W
Impedance: 4–8 ohms
Input: RCA Lotus terminals
Output: 24K gold-plated 6N copper banana jacks
Input Voltage: AC 220V
Dimensions: 335 × 208 × 75 mm
Weight: 5.5KG
Final Verdict
The BRZHIFI PA-A1S Class A Power Amplifier 2 Channel (2.0) is a beautifully engineered compact audiophile amplifier designed for users who value pure sound quality, warmth, and musical accuracy over raw power.
With its ultra-low distortion, premium connectors, and true Class A design, it delivers an exceptionally natural listening experience.
If you are looking for a high-quality Class A amplifier in Bangladesh, the PA-A1S from Audio Phonic is one of the best compact audiophile choices available.
Frequently Asked Questions (FAQs)
1. Is the BRZHIFI PA-A1S suitable for audiophiles?
Yes, it is designed specifically for high-fidelity audiophile listening with extremely low distortion.
2. Is 20W power enough for speakers?
Yes, in Class A design, 20W delivers strong and natural sound that feels more powerful than Class AB amplifiers.
3. What type of music is best for this amplifier?
It performs best with vocals, jazz, classical, and acoustic music.
4. What is the sound signature like?
It offers warm, natural, smooth, and highly detailed sound.
5. Can it drive bookshelf speakers?
Yes, it is perfect for 4–8 ohm bookshelf speakers.
6. Does it have low distortion?
Yes, it has ultra-low THD of 0.001%, ensuring clean sound.
7. Is it suitable for desktop use?
Yes, its compact size makes it ideal for desktop hi-fi systems.
8. Where can I buy it in Bangladesh?
You can purchase it from Audio Phonic with trusted support and service.



















