Phoenix Gold ZXM600.3i 3-Channel Mini Amplifier

After the success of the ZXM600.3, Phoenix Gold has taken the ZXM600.3i to the next level. Designed with cutting-edge Class-D technology, this compact powerhouse delivers 2 x 75W + 230W RMS at 4 Ohm and 2 x 130W + 350W RMS at 2 Ohm – 1200W max – all within a chassis that fits comfortably in your hand. Whether you are upgrading a factory system or building a new front stage plus subwoofer from scratch, the ZXM600.3i provides the perfect blend of size, power and versatility.

Key Features

Selectable Load Resistors: New in the i version: fine-tune the amplifier for optimal power and system matching with modern factory head units
Quick Connectors: Fast, secure and tool-free installation for power and signal terminals
20V High-Level Input: Expanded 0.45V – 20V input range for seamless OEM integration, with OIS (OEM Impedance Simulation) built in
Auto Start / Remote Trigger Switch: Choose between automatic turn-on from the high-level signal or manual activation via the remote wire
2 + 1 Channel Power: A stereo pair with 75W (4 Ohm) / 130W (2 Ohm) per channel plus a dedicated subwoofer channel with 230W (4 Ohm) / 350W (2 Ohm); 2CH / 3CH input mode
Fully Adjustable Filters: HP and LP filters 40 Hz – 400 Hz (12 dB/Oct) for the stereo channels and a 24 dB/Oct subwoofer low-pass from 50 Hz to 250 Hz
Full Class-D Technology: 88% efficiency with excellent signal-to-noise ratio and FM noise rejection

Technical Specifications

Amplifier Class: Class-D 3-channel mini amplifier
Max Power: 1200W
RMS Power @ 4 Ohm: 2 x 75W + 1 x 230W
RMS Power @ 2 Ohm: 2 x 130W + 1 x 350W
Frequency Response: L/R 20 Hz – 25 kHz / Sub 10 Hz – 250 Hz
Signal to Noise Ratio: L/R 86 dB / Sub 91 dB
THD: <1%
Low Pass Filter: 40 Hz – 400 Hz (12 dB/Oct); Sub 50 Hz – 250 Hz (24 dB/Oct)
High Pass Filter: 40 Hz – 400 Hz (12 dB/Oct)
Crosstalk: -48 dB
Input Sensitivity: 0.45V – 20V
Input Mode: 2CH / 3CH
Operating Voltage: 8.5V – 16.8V
Total Efficiency (4 Ohm): 88%
Power Terminal / Speaker Terminal: 10mm² / 1mm²
Dimensions (L x W x H): 165 x 83.1 x 34.8 mm (6.50″ x 3.27″ x 1.37″) incl. feet

The Phoenix Gold ZXM600.3i powers a complete front stage and subwoofer from one palm-sized amplifier – the mini amplifier just got better.

8.5V – 16.8V

Phoenix Gold ZXM600.3i