
Douk Audio G2 PRO Class D Mono Power Amplifier
Key Features
- High-Performance Mono Amplifier for Precision Sound
- Powerful TPA3255D2 Amplifier Chip
- Flexible PBTL and SUB Mode Switching
- Dedicated Subwoofer Output and Bass Control
- High-Efficiency Power System
- HiFi Sound Quality with Low Distortion
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
Nobsound G2 PRO Mini 300W Mono Digital Power Amplifier Subwoofer/Full-Frequency Home Audio Amplifier
The Douk Audio G2 PRO Class D Mono Power Amplifier is a compact yet highly powerful mono amplifier designed for users who want precision bass control, high-efficiency output, and flexible audio configuration in a small form factor. Built around the advanced TPA3255D2 amplifier chip, it delivers clean, distortion-free sound with strong power handling, making it suitable for both home HiFi systems and professional audio setups.
Features:
- With PBTL/SUB switch: convenient to use G2 PRO as full frequency amp or subwoofer amp, a SUB output is specially designed for active subwoofer. G2 PRO can connect to both passive and active subwoofers. And two G2 PRO can be used to drive left and right channel independently to avoid mutual interference.
- Max 300W output power: using TPA3255D2 amp chip and equipped with 32V/5A large power supply, enough to drive 320W passive speakers or subwoofers. It also has a good match with outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers.
- Best design and HiFi sound: with a gain switch to allow 2-level of output level setting (32/36 dB) and SUB frequency adjustment (40-300Hz). It also has built-in speaker protection circuit, low-pass filter to guarantee no audible noise even at high power output, SUB signal and amp can output at the same time to bring HiFi listening experience.
- Mini size with exquisite appearance: mono integrated class D amplifier, simple compact design but with powerful function, more fashionable and durable solid aluminum chassis, very suitable for HiFi home and desktop audio system use.
Parameters:
- Max Power: 300W
- The speaker matches the impedance: 4-8Ω
- Working Voltage: DC24-48V
- Input sensitivity: 0.775V
- Bass cutoff frequency range adjustment: 40-300Hz
- Slope of bass attenuation: -12dB Slope
- Full frequency response: 20Hz-20kHz(±3dB)
- THD: Output 1W @ 0.03%
- SNR: ≥106dB
- Product Dimension: L127*W118*H35MM
- Net Weight: 0.5kG
- Package Size: L257*W215*H65MM
Frequently Asked Questions (FAQs)
What is Douk Audio G2 PRO used for?
It is used for mono amplification, especially for subwoofers or dedicated single-channel audio systems.
Can I use two G2 PRO amplifiers together?
Yes, one can be used for the left channel and one for the right channel for stereo separation.
Does it support subwoofer output?
Yes, it has a dedicated SUB output and adjustable bass frequency control.
What type of speakers can it drive?
It supports 4–8Ω passive speakers including bookshelf and floor-standing models.
Is it suitable for home theater systems?
Yes, it is excellent for bass enhancement in home theater setups.
What is the maximum power output?
It delivers up to 300W output power depending on configuration.
Does it produce distortion at high volume?
No, it has very low THD (0.03%) ensuring clean sound even at high power.
What power supply is recommended?
A DC 32V/5A power supply is recommended for optimal performance



















