The Down4Sound MM3000KFD (Mini Maxx) is a compact full-range / full-bridge amplifier engineered for high-output performance across all frequencies. Built with heavy-duty terminals, flexible crossover controls, and robust protection, it’s designed for serious systems that need power and precision in a space-saving chassis.

Power Ratings (RMS)

• 1234W x 1 @ 4 OHM
• 1888W x 1 @ 2 OHM
• 3000W x 1 @ 1 OHM

Performance & Tuning

• Frequency Response: 10Hz – 26.4KHz
• High Pass Filter: 20Hz – 800Hz (x1), 200Hz – 8KHz (x10)
• Low Pass Filter: 50Hz – 800Hz (x1), 500Hz – 8KHz (x10)
• Bandpass filter capability
• Input Sensitivity: 6V – 0.2V
• Signal-to-Noise Ratio: 89dB
• Total Harmonic Distortion: < 0.1%
• Operating Voltage: 9V – 15.5V

Features

• High-speed MOSFET power supply
• 4-way protection (thermal, high/low voltage, speaker short, DC offset)
• Clip light indicators on the amplifier and remote bass knob
• Remote bass knob with voltmeter, temperature display, and clipping indicator
• 0-gauge power/ground inputs
• Speaker terminals support up to 8-gauge
• High-purity copper PCB
• Fuse Rating: 250A

Dimensions

• 16.93 inch × 4.88 inch × 2.25 inch

The MM3000KFD is the go-to choice when you need serious full-range power, advanced crossover control, and rugged terminals in a compact, install-friendly form factor.