
Douk Audio NS-13G-Max Class D Integrated Amplifier
Key Features
- Working method: Class D
- Output power: 300W × 2 at 4Ω.
- Total Harmonic Distortion: 0.005% @ 1kHz
- Dynamic Range :> 107dB
- Frequency response: 20Hz – 20kHz (±1dB)
- Input: RCA/MM phono input (5mV sensitivity)
Cash / Online Payment · EMI Available
Specification
Amplifier
Amplifier Class
Class D
Power Chip/IC
TPA Series
Output Impedance
4-8 Ohms
Input Voltage
24V-48V DC
Colour
Black
Description
Douk Audio NS-13G-Max Class D Integrated Amplifier
The Douk Audio NS-13G-Max Class D Integrated Amplifier is a compact yet powerful Hi-Fi audio amplifier designed for users who want high output performance, clean sound reproduction, and flexible connectivity in a small form factor. Built with the Texas Instruments TPA3255 Class D amplifier chip, it delivers strong stereo power, low distortion, and high efficiency, making it suitable for home audio systems, vinyl setups, and desktop Hi-Fi environments.
This amplifier is engineered to support both modern digital listening and traditional analog vinyl playback, making it a versatile choice for audiophiles and casual users alike.
High-Performance TPA3255 Amplifier Architecture
At the core of the NS-13G-Max is the Texas Instruments TPA3255 chip, known for its high efficiency and excellent audio fidelity.
Key Technology Features
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Texas Instruments TPA3255 Class D amplifier chip
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High-efficiency digital amplification system
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Low distortion audio processing design
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Stable high-power output architecture
Audio Benefits
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Clean and powerful stereo output
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High dynamic range performance
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Minimal signal distortion
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Accurate audio reproduction
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Stable performance at high volume levels
This ensures a balanced and professional Hi-Fi listening experience.
Powerful Stereo Output Performance
The NS-13G-Max is designed as a 2.0 channel stereo amplifier with strong output capability.
Output Specifications
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Maximum output power: 300W × 2 (4Ω)
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Output impedance: 4Ω – 8Ω
Audio Benefits
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Loud and clear stereo sound
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Strong driving power for passive speakers
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Balanced left and right channel output
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Suitable for medium to large rooms
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Enhanced music and movie experience
This makes it ideal for home entertainment systems.
Built-in Phono and RCA Input Support
One of the standout features of the NS-13G-Max is its support for both RCA and MM phono inputs, making it suitable for vinyl record players.
Input Options
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RCA analog input (2V sensitivity)
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MM phono input (5mV sensitivity)
Benefits
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Direct connection to turntables
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Compatible with modern audio devices
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No need for external phono preamp
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Flexible system integration
This makes it perfect for vinyl lovers and traditional Hi-Fi setups.
Flexible Audio Output Options
The amplifier provides multiple output interfaces for different audio setups.
Output Interfaces
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Banana speaker terminals
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3.5mm AUX output
Benefits
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Easy speaker connection
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Compatibility with standard Hi-Fi speakers
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Flexible audio routing options
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Stable signal transmission
This ensures seamless integration with various audio systems.
Bass and Treble Control for Sound Customization
The NS-13G-Max includes tone control functionality for personalized sound tuning.
Tone Adjustment Features
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Bass adjustment: ±6dB
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Treble adjustment: ±6dB
Benefits
-
Customizable sound signature
-
Enhanced bass response control
-
Clearer treble adjustment
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Suitable for different music genres
This allows users to tailor the sound to their preference.
High-Fidelity Audio Performance
The amplifier is engineered for clean and accurate sound reproduction.
Audio Performance Metrics
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THD+N: 0.005% @ 1kHz
-
SNR: ≥107dB
-
Frequency response: 20Hz – 20kHz (±1dB)
Audio Benefits
-
Crystal-clear sound output
-
Low noise performance
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Accurate frequency balance
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Natural sound reproduction
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Professional-grade audio clarity
This ensures an immersive listening experience.
Efficient Class D Technology
The NS-13G-Max uses advanced Class D amplification technology for high efficiency and low heat generation.
Efficiency Features
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High power conversion efficiency
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Reduced energy loss
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Low thermal output
Benefits
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Stable long-term performance
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Energy-efficient operation
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Reliable high-power output
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Compact design without overheating
This makes it suitable for continuous use.
Compact and Lightweight Design
Despite its high power output, the NS-13G-Max is extremely compact and lightweight.
Physical Specifications
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Dimensions: 130 × 102 × 38 mm
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Net weight: 513g
Design Benefits
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Space-saving design
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Easy desktop placement
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Portable audio solution
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Modern minimalist appearance
This makes it ideal for small audio setups.
Wide Compatibility with Speakers
The amplifier supports a broad range of speaker configurations.
Speaker Compatibility
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4Ω to 8Ω passive speakers
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Bookshelf speakers
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Home audio speakers
Benefits
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Flexible speaker pairing
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Stable impedance handling
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Easy system upgrades
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Reliable audio performance
This ensures compatibility with most Hi-Fi setups.
Stable Power Input System
The NS-13G-Max operates on a wide voltage range for stable performance.
Power Specifications
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DC input range: 24V – 48V
Benefits
-
Flexible power supply options
-
Stable audio output
-
Efficient energy usage
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Reliable operation under load
This ensures consistent performance in different environments.
Ideal Applications of Douk Audio NS-13G-Max
The NS-13G-Max is suitable for a variety of audio use cases.
Home Audio Systems
Perfect for daily music listening and entertainment.
Vinyl Turntable Setup
Supports MM phono input for record players.
Desktop Audio Systems
Ideal for PC and workstation Hi-Fi setups.
Small Home Theater
Enhances TV and movie sound experience.
Why Choose Douk Audio NS-13G-Max
The NS-13G-Max stands out as a compact yet powerful Hi-Fi amplifier with vinyl support and high-quality digital amplification.
Key Features Summary
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TPA3255 high-performance amplifier chip
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300W × 2 powerful stereo output
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MM phono and RCA input support
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Low distortion (0.005% THD+N)
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High SNR (≥107dB)
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Bass and treble tone control
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Compact and lightweight design
-
Wide speaker compatibility
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Efficient Class D technology
This makes it a versatile and high-value audio solution.
Audio Phonic Quality Assurance
Audio Phonic ensures that every product delivers reliable performance, accurate sound reproduction, and long-term durability. The Douk Audio NS-13G-Max reflects this commitment by combining powerful amplification, vinyl compatibility, and compact design into one efficient system.
Technical Specifications of Douk Audio NS-13G-Max
General Information
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Brand: Douk Audio (Audio Phonic distribution context)
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Product Name: Douk Audio NS-13G-Max Class D Integrated Amplifier
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Category: Integrated Stereo Amplifier
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Channel: 2.0
Amplifier System
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Texas Instruments TPA3255 Class D chip
Power Output
-
300W × 2 @ 4Ω
Audio Performance
-
THD+N: 0.005% @ 1kHz
-
SNR: ≥107dB
-
Frequency response: 20Hz – 20kHz (±1dB)
Inputs
-
RCA input (2V sensitivity)
-
MM phono input (5mV sensitivity)
Outputs
-
Banana speaker terminals
-
3.5mm AUX output
Power
-
DC 24V – 48V input
Design
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Compact aluminum chassis
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Lightweight structure
Frequently Asked Questions (FAQs)
What is Douk Audio NS-13G-Max used for?
It is used for powering passive speakers in Hi-Fi audio systems, vinyl setups, and home entertainment systems.
Does it support turntables?
Yes, it has a built-in MM phono input for vinyl record players.
How powerful is it?
It delivers up to 300W × 2 at 4Ω.
What speakers are compatible?
It supports 4Ω to 8Ω passive speakers.
Does it have tone control?
Yes, it includes bass and treble adjustment ±6dB.
Is it good for home use?
Yes, it is ideal for home audio and desktop setups.
Does it produce noise?
It has a high SNR (≥107dB) ensuring very low noise output.
Is it easy to install?
Yes, it has a simple plug-and-play setup.



















