4 Channel Class A/B Amplifier
Home / Products / Car Amplifiers / Class A/B Car Amplifier / 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
  • 4 Channel Class A/B Amplifier
Class A/B Car Amplifier

4 Channel Class A/B Amplifier

4-channel class A/B amplifier

4 x50W @ 4ohms, 4 x 75W @ 2ohms, 1% THD

2X130W Bridged Power @ 4ohms

Size: 330mm ( L ) X 176mm ( W ) X 46mm ( H )

Features

Frequency: 20Hz-20KHz 

Input sensitivity: 200mV-6V

X-over selection: LPF/FULL/ HPF

LPF: 30 Hz-250Hz

HPF: 50Hz-500Hz

Bass boost: variable 0-6dB

High-level input and variable Gain control

Short, thermal and overload protection

Product Description

NSMR-4075 4-channel Class A/B amplifier delivers up to 75W RMS into a 2-ohm load and a powerful 130W RMS output in bridge mode, meeting the demands of diverse audio systems, whether driving multiple speakers or achieving even stronger bridged output. Utilizing classic Class A/B amplification technology, the NSMR-4075 boasts exceptional linear response and low distortion, ensuring pure, detailed sound quality and significantly enhancing the layering and dynamics of music. The amplifier features flexible crossover selection, supporting LPF (low-pass filter), HPF (high-pass filter), and full-range modes, allowing users to freely adjust the sound balance based on speaker characteristics and system layout. The low-pass filter frequency range is adjustable from 30Hz to 250Hz, while the high-pass filter frequency range is 50Hz to 500Hz, accommodating diverse crossover requirements.

Industry Applications
  • application
  • application1
  • application
NEWSOURCES An Audio Company You Can Trust

Established in 1997, Newsources has consistently concentrated on the production of car and marine amplifiers & signal processors for over two decades. Our production and inspection line comprises multiple stages, such as SMT assembly, AOI inspection, wave soldering, AP testing, and 100% aging testing. Here, advanced manufacturing and top-tier testing equipment are used to ensure product quality. We take pride in our experienced team, with 70% of our workers boasting over a decade of experience. Our strategic location in the capital city of Hangzhou, Zhejiang province, provides us with a competitive edge in attracting top talent in the high-tech industry.

  • 10000㎡

    HangZhou Factory

  • 23000㎡

    DeQing Factory

  • 4000㎡

    Cambodia Factory

  • 150+

    Employees

  • 15+

    Assembling Line

  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
Certificates The Honor
We Have Received.

VIEW MORE
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
  • Hangzhou Newsources Electronics Co., Ltd.
News
  • ‌This is no ordinary factory; it's an acoustic engineer's dream workshop. With thirty years of industry dedication, over 1,000 developed products, and 20 patented technologies, these metrics ultimatel...

    READ MORE
  • ‌This is no ordinary factory; it's an acoustic engineer's dream workshop. With thirty years of industry dedication, over 1,000 developed products, and 20 patented technologies, these metrics ultimatel...

    READ MORE
  • ‌This is no ordinary factory; it's an acoustic engineer's dream workshop. With thirty years of industry dedication, over 1,000 developed products, and 20 patented technologies, these metrics ultimatel...

    READ MORE