4/3/2 Channel Mosfet Power Amplifier 600watts (AMP-4150)

In/Out 4-channel Mosfet amplifier
Maximum Output [email protected]% THD
RMS Output 4Ω [email protected]%THD
2Ω [email protected]%THD
4Ω Bridge [email protected]%THD
Stereo Separation: >60dB
Frequency Response: ± 3dB 20Hz-50KHz
Signal to Noise Ratio: >90dB
The reason to work with Ningbo ASM manufacturing:
1) Focus on every detail
2) Full line PRO audio One-stop service
3) Well quality control and guarantee (Free spare parts)
4) Minimum OEM/ODM quantity request
5) Factory with Professional production technology


We are a professional manufacturer specializing in all kinds of audio speakers.Also we have our professional designers to meet any requirements.

Established in 2001, NINGBO ASM as become one of the largest companies special- ized in Subwoofer, Car speakers, Tweeter, Speaker systems, Boom box, professional sound systems, and other audio accessories.

As an audio equipment manufacturer with an area of 1500sq.m.,6 production lines(2 lines for car audio

systems, 2 lines for professional audio systems, 2 lines for relevant audio accessories), over 100 employees, and the certificate of ISO9001:2000 system, we still keeps specialized in R&D, sales, and OEM/ODM services. 

Until 2016 Year,75-95% of our products export to overseas markets, such as the United states, Europe, Middle-east, and South America etc.

We have entry level, normal level and high-end level products. 

More than 10 years was a glorious time for ASM, but ASM will certainly makes greater achievements in the future international market competition.

Ningbo ASM promises to offer his best services to his customers forever.