Phoenix Gold ZXM500.4 amplifier

ZXM500.4 - 4-channel Class-D Mini amplifier with exceptional power and compact design

ZXM500.4 is an innovative 4-channel mini Class D amplifier, which sets new standards in terms of power, efficiency and space saving. It is designed to provide excellent sound quality without compromise, regardless of the installation conditions.

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Power and flexibility

The amplifier offers an impressive total power 500 W RMS, supplied in various configurations:

• 4 × 80 W RMS @ 4 Ohm

• 4 × 125 W RMS @ 2 Ohm

• 2 × 250 W RMS @ 4 Ohm (bridged mode)

With the ability to bridge channels and operate with a 2 Ohm load, ZXM500.4 is ideal for a wide variety of systems - whether for stereo or for driving subwoofers or high-powered speakers.

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Unsurpassed compactness and ease of installation

• Very small dimensions: 165 × 83.1 × 34.8 mm

• Surface mount technology (SMD)

• Autostart with High-Level signal - Automatic switching on when a signal is detected

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Advanced audio features

• Adjustable filters:
  - High Pass Filter (HPF): 40 Hz - 400 Hz (12 dB/oct)
  - Low Pass Filter (LPF): 40 Hz - 400 Hz (12 dB/oct)

• 2CH/4CH input switch - matching the signal source

• High signal-to-noise ratio: > 90 dB

• THD (harmonic distortion): < 0.3%

• Low FM interference (EMI) - ideal for modern vehicles

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Safety first

• Safeguards: Short-circuit, temperature, over- and under-voltage protection

• Protection status LED indicator

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Key features of the ZXM500.4

✅ Powerful and efficient mini Class D amplifier
✅ Stable operation up to 2 Ohms
✅ Channel bridging capability (2×250 W RMS)
✅ Autostart from high-level input
✅ Adjustable HPF and LPF filters
✅ Ultra compact size
✅ Thermal, voltage and short-circuit protections
✅ Excellent signal quality without FM interference

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Technical specification - ZXM500.4

• Type: Mini 4-channel amplifier - Class D

• Maximum power: 1000 W

• RMS power:
  - 125 W × 4 @ 2Ω
  - 80 W × 4 @ 4Ω
  - 250 W × 2 @ 4Ω (bridge)

• Frequency response: 20 Hz - 20 kHz

• THD: < 0.3%

• SNR: > 90 dB

• LPF: 40 Hz - 400 Hz (12 dB/oct)

• HPF: 40 Hz - 400 Hz (12 dB/oct)

• Autostart from high-level input: Yes

• Dimensions (D × S × W): 165 × 83.1 × 34.8 mm