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SKU: Z300.4 Categories: ,



  • OEM Connection Ready: compatible with aftermarket or original fit source units
  • High Level Auto Turn On: powers on the amplifier when an audio signal is supplied
  • 4-Way Protection Circuit: – Thermal, reversed power, polarity, low voltage, and short circuit
  • Heavy Duty Connector Block: provides maximum current supply
  • High & Low Level Inputs: versatile connectivity to suit any vehicle (ZRHC High Level Adapter required – sold separately)
  • Remote Bass Ready – control the bass level with the ZRBC (sold separately)
  • Integrated Cooling Fan: regulates amplifier temperature for sustained performance

Dimensions: 12.25 x 7.23 x 1.9 – 312 x 186 x 49mm

Power Ratings:

  • 60w x 4 @ 4 ohm
  • 75w x 4 @ 2 ohm
  • 150w x 2 @ 4 ohm bridged

Phoenix Gold – Z300.4
POWER OUTPUT RMS Power Output (Watts x Channels) 300W
Peak Power Output (Watts x Channels) 1200W
Bridged Power (Watts x Channels) 150W
Minimum Impedance Bridged 4 Ohm
Unbridged 2 Ohm
Signal To Noise (S/N) >50dB
THD at Rated RMS Power
Frequency Response 20Hz – 20KHz
Input Voltage
Wire Input Gauge
Amplifier Class A/B
CEA-2006 Compliant No
Crossover Low-Pass Crossover Frequency
Low-Pass Slope (dB/octave)
High-Pass Crossover Frequency 50Hz – 250Hz
High-Pass Slope (dB/octave) 12dB per Octave
Cooling System Cooling Fan
Fuse Rating
Speaker Level Inputs Yes
Preamp Outputs
Dimensions (L X W X H) 12.25 x 7.23 x 1.9”
Compatable Wiring Kits
Warranty 1 Year


We also sell complete install packages (radios, speakers, etc.) that ensure you get every major component you need to make your purchase and installation as easy as possible. Please feel free to contact Customer Service with any install/package questions at 1-844-30AUDIO, Ext.1.

Additional information





Bridged Power

Signal to Noise

Frequency Range

Cooling System

High Pass Slope

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