Amplified MA400.4 - 4-Ch High-Efficiency Digital Amplifier & Evo Tweeters

Amplified MA400.4 - 4-Channel High-Efficiency Digital Amplifier

The MA400.4 is a compact, high-efficiency digital amplifier designed to deliver powerful, clean audio while maintaining excellent energy efficiency. Its flexible input options and advanced control features make it ideal for upgrading factory or aftermarket sound systems.

• High-efficiency digital amplifier design
• Compact chassis with high power output
• Low-level and high-level inputs with auto turn-on
• Adjustable low-pass and high-pass filters
• Adjustable subsonic filter and bass boost
• MOSFET power supply for stable performance
• Gain control for precise tuning
• 3-way protection circuitry (overload, short circuit, thermal)
• LED power and protection indicator

Built for performance and reliability, the MA400.4 delivers impressive output from a compact footprint, making it ideal for modern vehicle installations where space is limited. Its MOSFET power supply ensures stable voltage delivery, while adjustable crossover controls allow precise tuning for mids, highs, or bridged subwoofer configurations. With both high-level and low-level inputs and intelligent auto turn-on functionality, the MA400.4 integrates seamlessly into factory or aftermarket systems while maintaining low distortion and excellent sound clarity.

Specifications:

• RMS Power: (4-Ohm) 100 x 4
• RMS Power: (2-Ohm) 150 x 4
• RMS Power: Bridged (4-Ohm) 300 x 2
• RMS Power: (1-Ohm) N/A
• THD: <0.6%
• Frequency Response(-3.0dB): 10Hz-30KHz
• Frequency LPF(-3.0dB): 40Hz-4KHz
• Frequency HPF(-3.0dB): 40Hz-4KHz
• Signal To Noise Raio: >92dB
• Sensitivity: 250mV-5.5V

EvoTuning 300W Super Tweeters

Specifications:

• High Efficiency P.E.I Super Tweeters
• 4ohm Impedance
• Built in crossover
• No magnetic fields
• Includes fitting mounts
• Sold as a pair

What's in the box
1 x Amplified MA400.4 - 4-Channel High-Efficiency Digital Amplifier
1 x EvoTuning 300W Super Tweeters Set