ESX QM-FOUR-PP – 4 Channel Plug & Play Amplifier
Produit disponible sous 6 jours.
SKU: QM-FOUR-PP
Category: 4 Channel Amplifiers - Power and Clarity, Amplifiers and DSP, ESX, Home Page
Vendeur:ESX

ESX QM-FOUR-PP – 4 Channel Plug & Play Amplifier
Full description
The ESX QM-FOUR-PP is a 4-channel Class D Plug & Play amplifier, designed to easily optimize the sound of an OEM audio system without complex modifications. Its dedicated wiring allows quick connection to original radios equipped with a Quadlock connector , making the installation 100% reversible .
With a power of 4 x 52W RMS at 4Ω and up to 4 x 90W RMS at 2Ω , it guarantees a powerful and detailed sound . In bridged mode, it delivers 2 x 180W RMS at 4Ω , perfect for powering speakers or a compact subwoofer.
Thanks to its ultra-efficient Class D power supply , it offers an efficiency of up to 86% , reducing power consumption and limiting heating. Its cast aluminum chassis ensures optimal cooling, even during prolonged use.
The amplifier is also Start/Stop Ready , meaning it operates without interruption even when the engine restarts after an automatic shutdown. It includes high-level inputs with EPS® (Error Protection System) for seamless compatibility with OEM systems and an automatic ignition function for seamless integration.
Additionally, the ESX QM-FOUR-PP is equipped with a remote control to control the bass , RCA inputs/outputs (via Molex) and a clipping LED to prevent signal saturation.
⚡ Main Features
✔️ 4-channel Class D Plug & Play amplifier
✔️ Easy installation without wiring modifications
✔️ 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
✔️ Bass Boost : 0 / 6 / 12 dB (CH1/CH2 and CH3/CH4)
✔️ 2CH/4CH switch for more flexibility
✔️ Quadlock connector for original radios
✔️ High level with EPS® and automatic ignition
✔️ Cast aluminum chassis for optimal cooling
✔️ Start/Stop Ready – Works continuously when restarting the engine
✔️ Remote control for bass adjustment
✔️ Clipping LED to avoid distortions
✔️ Energy efficiency up to 86%
✔️ Ultra-compact dimensions: 216 x 39 x 84 mm
📊 Technical specifications
Characteristic | Details |
---|---|
Kind | 4-channel Class D Plug & Play 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 (CH1/2 & CH3/4) |
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-PP Amplifier
✔️ 1 x Quadlock Plug & Play Wiring (5m)
✔️ 1 x Remote control for bass adjustment
✔️ 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-PP manual (PDF)]
🚗 Why choose ESX QM-FOUR-PP?
The ESX QM-FOUR-PP is the ideal solution for boosting the sound of an OEM audio system without modifying the original installation. Its Plug & Play system guarantees a quick and reversible installation , while its high Class D efficiency ensures powerful and precise sound . Compact and discreet, it integrates perfectly into your vehicle without compromising on audio quality.

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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.
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We deliver to mainland France and several European countries, directly from our warehouse in France.
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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.
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- Return Period : You have 14 days from receipt of your order to make a return.
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- 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.
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