Douk Audio NS-14G Pro Class D 2.1 Integrated Amplifier

Douk Audio NS-14G Pro Class D 2.1 Integrated Amplifier

The Douk Audio NS-14G Pro Class D 2.1 Integrated Amplifier is a powerful and compact HiFi amplifier designed for users who want deep bass performance, high-efficiency amplification, and modern wireless connectivity in a single system. Built with dual TPA3255 amplifier chips and the QCC304X Bluetooth chipset, it delivers strong stereo output, enhanced subwoofer control, and ultra-clean sound reproduction.

This amplifier is ideal for home theater setups, desktop audio systems, and music lovers who demand both power and precision in a compact form factor.

Powerful 2.1 Channel Audio System for Deep Bass Experience

The NS-14G Pro is designed specifically for immersive 2.1 channel sound systems.

Channel Configuration

• Left and Right stereo channels

• Dedicated subwoofer channel

• Full 2.1 surround-style bass system

Audio Benefits

• Strong and deep bass performance

• Balanced stereo soundstage

• Enhanced movie and gaming experience

• Smooth frequency separation

This makes it perfect for users who want cinema-style sound at home.

Dual TPA3255 Chips for High-Power Output

One of the biggest strengths of this amplifier is its dual amplifier chip design.

Chip Architecture

• 2 × Texas Instruments TPA3255 chips

• Independent power channels

• High-efficiency Class D design

Output Performance

• 300W × 2 (left/right channels)

• 300W subwoofer output

Benefits

• High-volume performance without distortion

• Stable power delivery for large speakers

• Clean and dynamic audio output

• Excellent energy efficiency

This ensures professional-grade sound performance for home use.

Advanced Bluetooth Connectivity with QCC304X Chip

The NS-14G Pro includes a modern Bluetooth system for wireless audio streaming.

Bluetooth Features

• QCC304X high-performance chipset

• Supports aptX, aptX-HD, aptX-LL, SBC, AAC

• Low latency wireless transmission

• Stable long-range connectivity

Benefits

• High-quality wireless music streaming

• Minimal audio delay for videos and gaming

• Strong connection stability

• Energy-efficient Bluetooth performance

This allows seamless smartphone and device connectivity.

High-Fidelity Audio Performance

The amplifier is designed for audiophile-grade sound clarity.

Audio Specifications

• THD+N: 0.01%

• Signal-to-noise ratio: ≥108dB

• Frequency response: 20Hz – 20kHz

• Input sensitivity: 2V

Sound Benefits

• Clean and accurate sound reproduction

• Low distortion across all frequencies

• Wide dynamic range

• Natural tonal balance

This ensures a premium listening experience.

Advanced Subwoofer Control System

The NS-14G Pro offers precise control over bass performance.

Subwoofer Features

• Adjustable subwoofer gain: ±4dB

• Cutoff frequency range: 50Hz – 220Hz

• Dedicated subwoofer channel

Benefits

• Deep and controlled bass output

• Customizable low-frequency tuning

• Reduced distortion in bass-heavy audio

• Enhanced movie sound effects

This makes it ideal for bass lovers.

Flexible Input and Output Options

The amplifier supports multiple connectivity options for convenience.

Input Options

• Stereo RCA

• AUX input

• Bluetooth wireless input

Output Options

• Banana speaker terminals

• AUX output

Benefits

• Compatible with multiple devices

• Easy system integration

• Flexible setup options

• Works with TVs, PCs, and CD players

This ensures universal compatibility.

Dual Power Supply System for Stability

The NS-14G Pro is equipped with a backup power system.

Power Design

• Primary + secondary power input

• DC 24–48V working voltage

Benefits

• Continuous operation during power fluctuations

• Improved system reliability

• Stable high-power performance

• Reduced risk of shutdown

This ensures uninterrupted audio playback.

Advanced Cooling System for Long-Term Performance

Heat management is a key feature of this amplifier.

Cooling Design

• Three-sided ventilation system

• Side and bottom airflow channels

• Efficient heat dissipation

Benefits

• Prevents overheating

• Stable performance during long use

• Protects internal components

• Reduces distortion at high power

This ensures long-lasting durability.

Bass, Treble, and Sound Customization Controls

The NS-14G Pro offers full sound tuning control.

Adjustable Controls

• Bass adjustment: ±6dB

• Treble adjustment: ±6dB

• Subwoofer frequency control

• Volume and gain control

Benefits

• Personalized sound tuning

• Better music customization

• Balanced audio output

• Suitable for different music genres

This allows full control over your sound experience.

Premium Internal Components

The amplifier uses high-quality electronic components.

Components Used

• Rubycon filter capacitors

• Siemens coupling capacitors

• Fully enclosed Taiwan potentiometers

• Copper-shielded inductors

Benefits

• Stable signal transmission

• Reduced electrical noise

• Improved sound clarity

• Long-lasting reliability

This enhances overall performance quality.

Compact and Space-Saving Design

The NS-14G Pro is designed for modern compact setups.

Physical Specifications

• Size: 155 × 125 × 42 mm

• Net weight: 768g

Benefits

• Easy desktop placement

• Lightweight and portable

• Ideal for small spaces

• Clean and modern appearance

This makes it perfect for home and office use.

Ideal Applications of NS-14G Pro

This amplifier is suitable for multiple environments.

Home Theater Systems

Delivers immersive audio with deep bass.

Desktop Audio Setup

Perfect for PC and gaming systems.

Music Listening

Provides balanced HiFi sound reproduction.

TV Audio Upgrade

Enhances television sound significantly.

Why Choose Douk Audio NS-14G Pro

The NS-14G Pro stands out due to its power, flexibility, and audio precision.

Key Advantages

• Dual TPA3255 high-power chips

• Strong 2.1 channel bass system

• Advanced Bluetooth 5.1 connectivity

• Ultra-low distortion (0.01%)

• High SNR ≥108dB

• Custom subwoofer control

• Premium internal components

• Dual power safety system

This makes it one of the most complete compact 2.1 amplifiers in its category.

Audio Phonic Quality Assurance

At Audio Phonic, we ensure that every product delivers authentic HiFi performance, reliable build quality, and modern audio technology. The Douk Audio NS-14G Pro represents a perfect combination of power, clarity, and flexibility for all audio enthusiasts.

Technical Specifications Summary

General

• Brand: Douk Audio

• Model: NS-14G Pro

• Type: Class D 2.1 Integrated Amplifier

Chipset

• TPA3255 × 2

• QCC304X Bluetooth chip

Power Output

• 300W × 2 (L/R)

• 300W subwoofer

Audio Performance

• THD+N: 0.01%

• SNR: ≥108dB

• Frequency response: 20Hz – 20kHz

Connectivity

• Bluetooth 5.1

• RCA / AUX input

• Banana speaker output

Power

• DC 24–48V

Subwoofer Control

• 50Hz – 220Hz cutoff

• ±4dB gain adjustment

Frequently Asked Questions (FAQs)

What is Douk Audio NS-14G Pro used for?

It is used for building high-quality 2.1 home theater and stereo audio systems.

Does it support Bluetooth?

Yes, it supports Bluetooth with aptX-HD and low latency transmission.

How powerful is it?

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

Can I connect a subwoofer?

Yes, it has a dedicated subwoofer channel with adjustable frequency control.

Is it good for home theater?

Yes, it is designed for immersive movie and gaming audio.

What is the sound quality like?

It offers low distortion (0.01%) and high clarity audio output.

Does it support multiple devices?

Yes, it supports RCA, AUX, and Bluetooth inputs.

Is it suitable for large speakers?

Yes, it supports 4–8Ω speakers and powerful subwoofers.