Phoenix Gold ZXM500.4I Compact Class-D Mono Amplifier

The new 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 ZXM500.1i 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. ZXM500.4i Key Features Massive Power & PerformanceFull Class-D technology offers efficiency & performanceShort circuit/thermal and high/low voltage protectionExcellent signal-to-noise ratio and FM noise rejectionBuilt-in protection LED light status indicatorSurface mount component technologyUltra small size for easy installationAutostart on high-level inputFull adjustable HP & LP filter Specification: Class-D 4-Channel Mini AmplifierPower (MAX) 1000WPower Ratings (RMS)125W x 4 @ 2Ohm80W x 4 @ 4Ohm250W x 2 @ 4Ohm bridgedFrequency Response: 20Hz - 20kHzSignal to Noise Ratio: > 90dBTotal Harmonic Distortion (THD): < 1%Low Pass Filter: 40Hz - 400Hz (12dB/Oct)High Pass Filter: 40Hz - 400Hz (12dB/Oct)Crosstalk:-45dBInput Sensitivity:0.45V – 20VHigh-Level Input Auto Turn-OnInput Mode: 2CH / 4CHOIS - OEM Impedance Simulation:YesOperating Voltage:7V – 16.5VIdle Current:0.70ACurrent Draw (Max):48ATotal Efficiency (4Ω):90%Power Terminal:10mm²Speaker Terminal:1mm²Dimensions (LxWxH) (Excluding Feet):149 x 83.1 x 34.8mmDimensions (LxWxH) (Including Feet):165 x 83.1 x 34.8mmDimensions (LxWxH) 165 x 83.1 x 34.8mm