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

Phoenix Gold  |  SKU: 168994
Model# ZXM500.4i
Barcode: 5056171552362
£146.99 £199.99
Available to order. This item is held by our supplier. Order today and we'll dispatch it within 2 working days, usually delivered in 3 working days.
  • Free & Next-Day Delivery Available

    Delivered in 3 working days

  • Hassle-Free Returns Within 30 Days

    Hassle-Free Returns Within 30 Days

  • Free & Next-Day Delivery Available

    1 Year Warranty for Peaceful Ownership

Description


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 & 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

Specification:

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

Additional Information

Delivery Information

FREE UK delivery on orders over £50. Orders under £50 are just £4.99.

Next Day delivery with DPD – order before 3pm
Orders over £150: FREE next day delivery
Orders under £150: just £4.99

Saturday delivery with DPD: £9.99

Next day and Saturday delivery exclude Northern Ireland, the Scottish Highlands and the Channel Islands.

Refunds & Returns

30-day hassle-free returns. Not happy with your purchase? Return it within 30 days of delivery for a full refund.

Christmas gifts: returns are extended – orders placed now can be returned up to 8th January 2027.

How to return: the product must be unused and in its original packaging. Contact our customer service team and we'll guide you through it and refund you promptly.

Read our full returns & refund policy.