ZXM400.4ISO ISO Mini Amplifier

The ZXM400.4ISO is a compact, ISO mini-amplifier designed for effortless OEM audio upgrades. Compatible with our full range of harnesses, it allows simple installation across more than 2,000 vehicles, with no cutting, coding, or complexity. Delivering clean Class-D power in an ultra-small chassis, it’s the ideal solution for boosting factory sound with maximum ease.\

OEM Integration Made Simple. Mini in size, Maximum in Power and Compatibility.

The ZXM400.4ISO mini amp is the perfect solution for upgrading OEM audio without needing the more advanced ZDA DSP amplifier. Designed from the ground up for true installation, this ISO mini amp connects seamlessly via our complete ecosystem of harnesses, allowing you to upgrade over 2,000 vehicles without cutting, splicing, or modifying factory wiring.

Despite its ultra-compact size, the ZXM400.4ISO delivers clean, efficient, and powerful Class-D amplification suitable for both OEM and aftermarket systems. Engineered for direct integration, it’s the ideal choice for drivers who want better sound quickly and reliably.

Why Choose the ZXM400.4ISO?

• Designed to work directly with our complete harness range.
• OEM-Ready ISO Design – Perfect for factory audio upgrades with no coding or complexity.
• Compact & Powerful – Mini chassis, big performance.
• Simple Installation – No cutting, no complications, connect and enjoy.

Features

• Class-D efficiency and clean output
• Short circuit / thermal/high-low voltage protection
• Excellent signal-to-noise ratio & FM noise rejection
• LED status indicator
• Surface-mount technology for reliability
• Ultra-small footprint for easy mounting
• Auto-start with high-level input
• Fully adjustable high-pass & low-pass filters

Specifications

• Class-D 4-Channel Mini Amplifier
• Power (MAX): 1000W
• RMS Power:
• 125W x 4 @ 2Ω
• 60W x 4 @ 4Ω
• 250W x 2 @ 4Ω bridged
• Frequency Response: 20Hz–20kHz
• Signal to Noise Ratio: > 90dB
• 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 Auto Turn-On:
• Input Mode: 2CH / 4CH
• OIS – OEM Impedance Simulation:
• Operating Voltage: 7V–16.5V
• Idle Current: 0.70A
• Max Current Draw: 48A
• Total Efficiency (4Ω): 90%
• Power Terminal: 10mm²
• Speaker Terminal: 1mm²
• Dimensions (w/ Feet): 165 × 83.1 × 34.8 mm
• Dimensions (w/o Feet): 149 × 83.1 × 34.8 mm