4 Channel Class A/B Amplifier

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.