The Next Evolution of Compact Power and Precision.

The ZXM500.4i is a compact Class-D amplifier that delivers 1000W Max, featuring new selectable load resistors, quick power connectors, and a 20V high-level input for seamless OEM integration. Choose auto or remote trigger start for maximum installation flexibility.

The ZXM500.4i builds on the success of the ZXM500.4, offering upgraded performance, simplified installation, and expanded compatibility all within the same ultra-compact chassis. Engineered with precision Class-D technology, it delivers clean, efficient, and powerful sound that suits any environment.

What’s New in the ZXM500.4i

• Selectable Load Resistors – Fine-tune for optimal power and system matching.
• Quick Connectors – Fast, secure, and tool-free installation for power and signal terminals.
• 20V High-Level Input – Expanded input range for seamless OEM integration.
• Auto Start / Remote Trigger Switch – Choose between automatic or manual activation.

Key Features

• Massive Power & Performance
• Full Class-D technology offers efficiency & performance
• Short circuit/thermal and high/low voltage protection
• Excellent signal-to-noise ratio and FM noise rejection
• Built-in protection LED light status indicator
• Surface mount component technology
• Ultra small size for easy installation
• Autostart on high-level input
• Full adjustable HP & LP filter

Specifications

• Class-D 4-Channel Mini Amplifier
• Power (MAX) 1000W
• Power Ratings (RMS)
• 125W x 4 @ 2Ohm
• 80W x 4 @ 4Ohm
• 250W x 2 @ 4Ohm bridged
• Frequency Response: 20Hz – 20kHz
• Signal to Noise Ratio: > 90dB
• Total Harmonic Distortion (THD): < 1%
• Low Pass Filter: 40Hz – 400Hz (12dB/Oct)
• High Pass Filter: 40Hz – 400Hz (12dB/Oct)
• Crosstalk:-45dB
• Input Sensitivity:0.45V – 20V
• High-Level Input Auto Turn-On
• Input Mode: 2CH / 4CH
• OIS – OEM Impedance Simulation:Yes
• Operating Voltage:7V – 16.5V
• Idle Current:0.70A
• Current Draw (Max):48A
• Total Efficiency (4Ω):90%
• Power Terminal:10mm²
• Speaker Terminal:1mm²
• Dimensions (LxWxH) (Excluding Feet):149 x 83.1 x 34.8mm
• Dimensions (LxWxH) (Including Feet):165 x 83.1 x 34.8mm
• Dimensions (LxWxH) 165 x 83.1 x 34.8mm