Produit disponible sous 6 jours.
SKU: QM-FOUR
Category: 4 Channel Amplifiers - Power and Clarity, Amplifiers and DSP, ESX, Home Page
Vendeur:ESX
ESX QM-FOUR – Ultra-Compact 4-Channel Amplifier
Full description
The ESX QM-FOUR is an ultra-compact 4-channel Class D amplifier , designed to boost your audio system without taking up space. With its reduced dimensions (216 x 39 x 84 mm) and its cast aluminum chassis , it guarantees optimal cooling even under full load.
Its high-efficiency design (up to 86%) allows for reduced consumption while delivering impressive power:
🔹 4 x 52W RMS at 4Ω
🔹 4 x 90W RMS at 2Ω
🔹 2 x 180W RMS in bridged mode at 4Ω
The ESX QM-FOUR incorporates adjustable HPF/LPF filters (40 - 4000 Hz) and a selectable Bass Boost (0 / 6 / 12 dB) on each pair of channels, allowing for advanced audio customization.
Thanks to its high-level inputs with EPS® (Error Protection System) and automatic ignition , it is perfect for installation with an original car radio . In addition, it is Start/Stop Ready , guaranteeing stable operation even when the engine restarts after an automatic shutdown.
The amplifier is equipped with a remote control for bass adjustment , a clipping LED for monitoring distortion and RCA connections via Molex , providing maximum compatibility with different audio systems.
⚡ Main Features
✔️ Compact 4-channel Class D amplifier
✔️ Excellent energy efficiency (86%)
✔️ RMS power :
🔹 4 x 52W @ 4Ω
🔹 4 x 90W @ 2Ω
🔹 2 x 180W @ 4Ω (bridged)
✔️ Adjustable HPF/LPF filters (40 - 4000 Hz) on CH1/CH2 and CH3/CH4
✔️ Selectable Bass Boost: 0 / 6 / 12 dB
✔️ 2CH/4CH input switch for maximum flexibility
✔️ High level with EPS® and automatic ignition
✔️ Start/Stop Ready – Works continuously when restarting the engine
✔️ Remote control for bass adjustment
✔️ Clipping LED to avoid distortion
✔️ Optimized cooling thanks to a cast aluminum chassis
✔️ Ultra-compact dimensions: 216 x 39 x 84 mm
📊 Technical specifications
| Characteristic | Details |
|---|---|
| Kind | 4-channel Class D amplifier |
| RMS power | 4 x 52W @ 4Ω | 4 x 90W @ 2Ω | 2 x 180W @ 4Ω (bridged) |
| HPF/LPF | 40 - 4000 Hz (CH1/2 & CH3/4) |
| Bass Boost | 0 / 6 / 12 dB |
| Energy efficiency | Up to 86% |
| Entrances | High level with EPS®, RCA via Molex |
| Protection system | Thermal, overvoltage, short circuit |
| Automatic ignition function | Yes |
| Start/Stop Ready | Yes |
| Low remote control | Included |
| Clipping LED | Yes |
| Dimensions | 216 x 39 x 84 mm |
📦 Package Contents
✔️ 1 x ESX QM-FOUR Amplifier
✔️ 1 x Installation Manual
🔌 Additional accessories (sold separately)
📌 Shielded power and RCA cables
📌 Compatible subwoofers or speakers
📌 Mounting kit for optimal integration
📄 [ESX QM-FOUR Instructions (PDF)](link to be defined)
🚗 Why choose ESX QM-FOUR?
The ESX QM-FOUR is a compact and powerful solution for improving the sound quality of your vehicle. Its Class D technology guarantees clear and powerful sound , while its ultra-compact chassis allows for easy installation even in tight spaces . Whether you want to boost your factory speakers or power a small subwoofer, it's ideal for a hassle-free audio upgrade!
Shipping Policy
At Multison, we are committed to providing you with a fast, reliable and secure delivery service for all your in-car audio, video and multimedia products.
Delivery Zones
We deliver to mainland France and several European countries, directly from our warehouse in France.
Delivery Times
Delivery times vary depending on the product and destination:
- Metropolitan France : Generally, 4 to 8 working days after order processing.
- Europe : Approximately 5-15 business days depending on destination and local shipping conditions.
Please note that delivery times are indicative and may vary depending on periods of high demand, such as holidays or sales.
Order Tracking
As soon as your order is shipped, you will receive a confirmation email containing a tracking number allowing you to follow your package in real time.
Shipping Costs
Shipping costs are automatically calculated at checkout based on the size, weight and destination of your package. Free shipping options may be available for certain purchase amounts or during special promotions.
Delays and Incidents
In case of any delay or problem related to the delivery, our customer service is at your disposal to assist you. You can contact us via our "We are here to help you" page for any questions or follow-ups.
Returns
We want you to be completely satisfied with your purchases. If you are not completely satisfied, here is our return policy:
- Return Period : You have 14 days from receipt of your order to make a return.
- Return Conditions : Items must be in their original condition, unused, and in their original packaging.
- Return Procedure : Please contact our customer service via our "We're here to help" page for return instructions. Return fees may apply depending on the circumstances.
We are here to support you in your shopping experience and ensure your satisfaction.
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Installation guides
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Care instructions
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