BRZHIFI PAD-X21 Class D 2.1 Integrated Amplifier

BRZHIFI PAD-X21 Class D 2.1 Integrated Amplifier

The BRZHIFI PAD-X21 Class D 2.1 Integrated Amplifier is a powerful and modern Hi-Fi audio solution designed for users who want deep bass performance, clear stereo imaging, and advanced digital connectivity in one compact system. Built with premium audio components like the TPA3255 amplifier chip, ES9018K2M DAC, and QCC5125 Bluetooth module, this amplifier delivers high-fidelity sound reproduction with ultra-low distortion and wide frequency response.

Engineered for home theater enthusiasts, audiophiles, and everyday music lovers, the PAD-X21 brings professional-grade sound quality into a user-friendly and stylish design.

Powerful 2.1 Channel High-Output Audio System

The BRZHIFI PAD-X21 is designed as a 2.1 channel amplifier system, combining stereo output with a dedicated subwoofer channel for enhanced bass performance.

Channel Configuration

• Stereo Output: 150W × 2

• Subwoofer Output: 300W (4Ω)

Audio Benefits

• Deep and impactful bass response

• Balanced left and right stereo sound

• Immersive home theater experience

• Enhanced low-frequency performance

• Powerful sound for large rooms

This makes it ideal for movies, gaming, and music with strong bass impact.

Advanced TPA3255 Class D Amplifier Technology

At the core of the system is the high-efficiency TPA3255 amplifier chip, known for delivering powerful output with low distortion.

Benefits of TPA3255 Chip

• High power efficiency

• Low heat generation

• Clean and stable sound output

• Excellent dynamic range

• Strong audio performance

This ensures consistent high-quality sound even at high volume levels.

ES9018K2M High-Precision Audio Decoding

The inclusion of the ES9018K2M DAC ensures accurate and high-resolution audio conversion for digital sources.

DAC Benefits

• High-resolution sound processing

• Clear and detailed audio output

• Reduced noise and distortion

• Improved musical accuracy

• Professional-level decoding quality

This ensures natural and realistic sound reproduction.

Qualcomm QCC5125 Bluetooth 5.0 Connectivity

The amplifier uses the advanced QCC5125 Bluetooth chip, providing high-quality wireless audio streaming with modern codec support.

Supported Bluetooth Codecs

• SBC

• AAC

• aptX

• aptX-HD

• LDAC

• aptX Adaptive

Bluetooth Benefits

• High-resolution wireless audio

• Low latency performance

• Stable connection range

• Easy pairing with devices

• Lossless-like sound quality

This makes wireless listening smooth and premium.

Multiple Input Connectivity for Maximum Flexibility

The BRZHIFI PAD-X21 supports a wide range of input options, making it compatible with almost all modern audio devices.

Input Options

• Bluetooth 5.0

• PC USB input

• Optical input

• Coaxial input

• RCA stereo input

• USB drive (U disk)

Benefits

• Universal device compatibility

• Easy plug-and-play usage

• Flexible system integration

• Supports digital and analog sources

• Suitable for TVs, PCs, and mobile devices

This makes it highly versatile for different setups.

Ultra-Low Distortion and High Signal Clarity

The amplifier delivers extremely clean audio with very low distortion and high signal clarity.

Performance Metrics

• Total Harmonic Distortion: 0.003%

• Signal-to-Noise Ratio: 111dB

Audio Benefits

• Pure and transparent sound

• Minimal background noise

• Accurate sound reproduction

• High detail resolution

• Professional Hi-Fi performance

This ensures a truly immersive listening experience.

Wide Frequency Response for Full Audio Range

The PAD-X21 supports a wide frequency response range, ensuring accurate sound reproduction across all frequencies.

Frequency Range

• 18Hz – 25kHz (±3 dB)

Frequency Benefits

• Deep and controlled bass

• Clear midrange vocals

• Smooth treble performance

• Balanced audio spectrum

• Natural sound reproduction

This ensures full-range Hi-Fi sound quality.

High-Quality JRC5532 Operational Amplifiers

The system uses JRC5532DD op-amps for improved audio signal processing.

Op-Amp Benefits

• Better signal stability

• Reduced distortion

• Enhanced audio clarity

• Improved dynamic performance

This contributes to a cleaner sound output.

Smart Design with LED Display and Remote Control

The BRZHIFI PAD-X21 features a user-friendly interface with modern display and remote control functionality.

Smart Features

• Large LED display

• Real-time status monitoring

• Remote control operation

• Easy system navigation

Benefits

• Convenient user experience

• Simple operation control

• Quick audio adjustments

• Clear system feedback

This makes the amplifier easy to use for all users.

Premium Build Quality with Aluminum Alloy Body

The amplifier is built using a durable aluminum alloy chassis, ensuring strength and heat resistance.

Build Benefits

• Strong and durable structure

• Efficient heat dissipation

• Premium metal finish

• Reduced vibration interference

This improves long-term reliability and performance.

Wide Speaker Compatibility

The PAD-X21 supports a wide range of passive speaker systems.

Compatible Speakers

• Bookshelf speakers

• Floor-standing speakers

• Subwoofer systems

• Home theater speaker setups

Benefits

• Flexible system integration

• Strong output matching

• Balanced sound performance

This makes it suitable for various audio environments.

Efficient Power Supply System

The amplifier supports a wide voltage range, making it suitable for global usage.

Power Specifications

• Input Voltage: AC 100–240V 50/60Hz

Power Benefits

• Stable global compatibility

• Safe and reliable operation

• Energy-efficient performance

• Continuous usage support

This ensures stable performance worldwide.

Ideal Applications of BRZHIFI PAD-X21

The amplifier is designed for multiple entertainment and professional use cases.

Home Theater Systems

Delivers cinematic surround sound experience.

Music Listening Setup

Perfect for Hi-Fi music playback.

Gaming Audio System

Provides immersive gaming sound effects.

TV Audio Upgrade

Enhances TV sound quality significantly.

Why Choose BRZHIFI PAD-X21 Amplifier

The BRZHIFI PAD-X21 stands out as a complete 2.1 Hi-Fi audio solution with advanced decoding, powerful output, and modern connectivity.

Key Features Summary

• TPA3255 high-power amplifier chip

• ES9018K2M DAC decoding

• QCC5125 Bluetooth 5.0 module

• LDAC / aptX-HD support

• 2.1 channel system with subwoofer output

• Ultra-low 0.003% THD

• 111dB signal-to-noise ratio

• Wide 18Hz–25kHz frequency response

• Multiple input options (USB, optical, coaxial, RCA)

• Aluminum alloy premium design

This makes it a complete high-performance audio system.

Audio Phonic Quality Commitment

Audio Phonic ensures that every product delivers high-quality sound performance, durability, and user satisfaction. The BRZHIFI PAD-X21 reflects this commitment with its advanced engineering, premium components, and powerful 2.1 channel design.

It is built for users who want deep bass, clear sound, and modern connectivity in one compact amplifier system.

Technical Specifications of BRZHIFI PAD-X21

General Information

• Brand: BRZHIFI (Audio Phonic distribution context)

• Product Name: BRZHIFI PAD-X21 Class D 2.1 Integrated Amplifier

• Category: Integrated Amplifier

• Amplifier Type: Class D

• Channel: 2.1 System

Power Output

• Stereo: 150W × 2

• Subwoofer: 300W (4Ω)

Audio Performance

• THD: 0.003%

• SNR: 111dB

• Frequency Response: 18Hz – 25kHz

Connectivity

• Bluetooth 5.0 (QCC5125)

• USB / RCA / Optical / Coaxial / USB Drive

Physical Specifications

• Size: 270 × 218 × 67 mm

• Weight: 3.5 KG

Power Supply

• AC 100–240V 50/60Hz

Frequently Asked Questions (FAQs)

What type of amplifier is BRZHIFI PAD-X21?

It is a Class D 2.1 channel Hi-Fi integrated amplifier with subwoofer support.

What is its total output power?

It delivers 150W × 2 for stereo and 300W for subwoofer output.

Does it support Bluetooth?

Yes, it supports Bluetooth 5.0 with LDAC and aptX-HD codecs.

What makes the sound quality special?

It uses TPA3255 and ES9018K2M DAC for high-fidelity audio reproduction.

Can it connect to a TV?

Yes, it supports optical and RCA inputs for TV connection.

Does it support subwoofer?

Yes, it has a dedicated 2.1 channel subwoofer output.

What is the distortion level?

It has ultra-low distortion of 0.003%.

Is it suitable for home theater?

Yes, it is ideal for immersive home theater audio systems.