User manual of Nobsound NS-03G
Warm tips:
This is the latest updated version, simplify the circuit, upgrade the components and greatly improve the sound quality.
- Adopting classical TPA3116 amp IC, class D amplification, max output power can reach 100W(4Ω load), easily to drive most passive subwoofers and match perfectly with them.
- With 3.5mm AUX audio input, perfectly compatible with many audio devices such as phone,TV, MP3, CD players, computers, amplifier with low frequency output etc.. With built-in preamplification circuit, can match well with the audio sources that with low signal output.
- Reasonable circuit, concise wiring layout and perfect protection, no sparks no shock. Adopting TL072 op amp with ultra-low distortion and dynamic balanced, the sound is very smooth and natural.
- Mini size with exquisite appearance, aluminum alloy black case looks fashionable and attractive. With strong output power and high-quality sound, especially designed for the customers who pursue HiFi sound.
- Brand: Nobsound
- Model: NS-03G SUB
- Audio input: 3.5mm AUX
- Audio ouput: banana speaker jacks
- Number of channel: mono
- Chip: TPA3116D2
- OP amp: TL072
- Max output power: 100W
- Frequency range: 20Hz-180Hz
- THD: ≤ 0.01%
- SNR: ≥ 118dB
- Input sensitivity: ≤ 280mV
- Matched subwoofer impedance: 4-8Ω
- Working voltage: DC 12V-24V
- Dimensions(W*D*H): 69*88*33mm / 2.72*3.46*1.30in
- Package dimensions(W*D*H): 150*150*50mm / 5.91*5.91*1.97in
- Net weight: 190g / 0.42lb
- Package Weight(Without power supply): 310g / 0.68lb
- Package Weight(With power supply): 610g / 1.34lb
- NS-03G SUB Amplifier ×1
- 19V Power Supply(Optional) ×1
- User Manual ×1

High Power Output
- Nobsound NS-03G features a TPA3116D2 chip for 100W power, delivering robust bass to passive subwoofers.

Smooth Volume Control
- A smooth knob for easy volume adjustment to suit personal preferences.

Easy Connectivity
- A 3.5mm AUX input allows for simple connections to various audio sources like phones, CD players, and TVs.

Compact Design
- With its mini size and solid shell, it's easy to place on a desk or subwoofer, saving space.