ESX QM 500.4 – 4-Channel Mini Digital Amplifier | 4×125 W RMS
ESX QM 500.4 – 4-Channel Mini Digital Amplifier | 4×125 W RMS is backordered and will ship as soon as it is back in stock.
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ESX QM 500.4 – 4-Channel Mini Digital Amplifier | 4×125 W RMS
Description
Description
Compact in size but powerful in performance, the ESX QM 500.4 delivers the clarity, control, and headroom expected from the Quantum Mini Series.
This 4-channel Class-D digital amplifier provides up to 125 W RMS per channel, allowing you to drive front and rear speakers or bridge channels for subwoofer use — all with outstanding efficiency and minimal heat.
Engineered for modern vehicles, the QM 500.4 integrates seamlessly into OEM or aftermarket systems thanks to its high-level inputs with auto-turn-on, selectable filters, and Start-Stop capability.
Its compact chassis makes installation effortless, even in tight spaces, while maintaining ESX’s trademark sound precision.
Key Features:
- 4-Channel Class-D amplifier with 4 × 125 W RMS power output
- 2 Ω stable and bridgeable for subwoofer or speaker flexibility
- Variable high-pass / low-pass filters (15 – 4000 Hz)
- High-level input with auto turn-on & Start-Stop compatibility
- Compact aluminium housing with efficient thermal management
- Ideal for OEM upgrades and DSP-based audio systems
📦 Available for shipping Australia-wide or professional installation at MC Audio Sydney.
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