Triton NS4001, NS Series Monoblock Class D 1-Ohm Subwoofer Amplifier - 400W

The Triton Audio NS4001 is a compact and efficient monoblock Class D amplifier designed for clean, controlled subwoofer performance. Built for everyday reliability and strong low-frequency output, it delivers stable power across multiple impedance loads while maintaining low distortion and high efficiency. Ideal for OEM upgrades or custom audio systems, the NS4001 is engineered to produce tight, accurate bass in a small footprint.

Key Features

• Monoblock Class D subwoofer amplifier
• 400W RMS @ 1 ohm
• 250W RMS @ 2 ohms
• 150W RMS @ 4 ohms
• 800W peak power output
• 14Hz–250kHz frequency response for wide-range signal accuracy
• 1-ohm stable operation for flexible subwoofer configurations
• Variable low-pass crossover (50Hz–250Hz) for tuning control
• Built-in subsonic filter (20Hz, 24dB slope) for woofer protection
• High efficiency Class D design for reduced heat and power draw
• Compact chassis for easy installation in tight spaces