Prodigy Audio NB300.4 (4 Channel Amplifier) | 1200W RMS

Prodigy Audio NB300.4 Noizy Boy 4-Channel Amplifier | 1600W Max – Compact, Full-Range Class D Power

Full-Range Output. Compact Design. Audiophile Performance.
The Prodigy Audio NB300.4 Noizy Boy 4-Channel Amplifier packs a punch with serious output, ultra-efficient Class D performance, and advanced tuning flexibility—all within a sleek, space-saving chassis. Delivering up to 400W x 4 RMS at 2 ohms, this amp is designed for loud, clean power whether you’re running mids, highs, or bridging to subs.

Built for real-world installs, the NB300.4 features adjustable high/low pass filters, crossover multiply (X10), and 4-way protection circuitry for rock-solid reliability. It thrives in both 2-ohm stereo and 4-ohm bridged setups, making it a flexible go-to for everything from custom motorcycle systems to full-stage car audio builds.

Add in its high-speed MOSFET power supply, >95dB signal-to-noise ratio, and rugged construction, and you’ve got a compact amplifier ready to meet the demands of high-end audio enthusiasts and competition builds alike.

Technical Highlights

• Stable performance in 2-ohm stereo or 4-ohm bridged configurations
• High-speed MOSFET power supply for consistent, reliable performance
• Adjustable high and low pass filters for tailored sound customization
• Crossover multiply x10 for a broad range of audio possibilities
• Class D design for efficient, yet powerful amplification
• 4-way protection circuits to ensure safety and dependability

RMS Power:

• RMS POWER: 200W x 4 @ 14.4V - 4 ohm
• RMS POWER: 300W x 4 @ 14.4V - 2 ohm
• BRIDGE POWER: Range 600W x 2 @ 14.4V - 4 ohm

Specifications:

• Operating Voltage: 9 to 15.5 Volts
• Signal to Noise Ratio: >95dB
• Fuse Rating: 120A
• Inputs: 4 GA input on Power Wire, 8 GA input for Speaker Wire
• Dimensions: 11.8" x 7.4" x 2.24"
• (299.7mm x 188mm x 57.15mm)

Small Footprint. Massive Versatility.

Whether you're powering mids and highs or bridging for subs, the NB300.4 delivers unmatched flexibility and clean, high-output sound in a durable, compact amplifier design.