ESX QE900.4 – 900 Watts 4-Channel Class D Digital Amplifier

399,00€ 349,00€ -12%

Produit disponible sous 6 jours.

ESX QE900.4 – 900 Watts 4-Channel Class D Digital Amplifier Full description The ESX QE900.4 is part of the new QUANTUM QE series, developed to offer an exceptional audio experience without interference with the vehicle's...
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ESX QE900.4 – 900 Watts 4-Channel Class D Digital Amplifier

Full description

The ESX QE900.4 is part of the new QUANTUM QE series, developed to offer an exceptional audio experience without interference with the vehicle's radio system. Unlike conventional digital amplifiers, this model guarantees music playback without disturbing emissions , thanks to its EPS® (Error Protection System) circuit .

Featuring high-quality components , a solid aluminum heat sink , and variable crossover filters , the ESX QE900.4 delivers powerful, accurate sound. Its Copy mode allows you to duplicate channel 3/4 settings to channel 1/2, simplifying setup and sound optimization.

With a MOSFET PWM power supply , a 3-way protection circuit , and a Start/Stop Ready mode , this amplifier is designed for high-end configurations . It comes with a compact level remote control , allowing easy adjustment of the bass volume.


🔹 Main Features

  • Advanced Class D technology with high energy efficiency (84%)
  • EPS® (Error Protection System) : Protection against radio interference
  • Selected audiophile components for high-fidelity sound
  • Solid aluminum heat sink with cast iron side elements
  • Variable high-pass filters (HPF) and low-pass filters (LPF) for optimal customization
  • Bandpass and Bass Boost function (0-12 dB)
  • Copy mode to duplicate CH3/4 settings to CH1/2
  • High-level inputs with automatic activation (Auto Turn-On Function)
  • MOSFET PWM power supply and 3-way protection circuit
  • Start/Stop Ready mode compatible with modern vehicles
  • Compact level remote control included

📊 Technical specifications


Characteristic Details
Kind 4-channel Class D amplifier
RMS power 4 x 150/225 Watts @ 4Ω/2Ω
Bridged RMS power 2 x 450 Watts @ 4Ω
High-pass filter (HPF) CH1/2 50 - 5000 Hz
High-pass filter (HPF) CH3/4 10 - 500 Hz
Low-pass filter (LPF) CH3/4 50 - 5000 Hz
Bass Boost 0 - 12 dB
Bandpass function Yes
Copy Mode CH3/4 > CH1/2
Input selector Yes
Dimensions 280 x 46 x 165 mm
Efficiency Up to 84%

📦 Package Contents

  • 1 ESX QE900.4 Amplifier
  • Compact level remote control
  • Installation Manual

📎 Additional accessories (sold separately)

  • High quality power cables
  • Shielded RCA cables
  • Compatible speakers and subwoofers

📄 ESX QE900.4 Instructions (PDF)

The ESX QE900.4 is the ideal amplifier for car audio enthusiasts looking for reliable power , audiophile sound , and a complete absence of radio interference . Thanks to its advanced filters and EPS® circuitry , it ensures an unparalleled sound experience.

ESX QE900.4 – 900 Watts 4-Channel Class D Digital Amplifier

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.

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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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