Produit disponible sous 6 jours.
SKU: QM500.1
Category: Amplifiers and DSP, ESX, Home Page, Mono Amplifiers - Maximum Power for Your Subwoofers
Vendeur:ESX

ESX QM500.1 – Ultra-Compact Class D Mono Amplifier
Full description
The ESX QM500.1 is a Class D mono amplifier designed to deliver high power and quality sound in an ultra-compact format . With dimensions of only 190 x 35 x 102 mm , it fits easily into any vehicle, while ensuring excellent heat dissipation and energy efficiency of up to 86% .
It delivers 280W RMS into 4Ω and 500W RMS into 2Ω , providing enough power to drive a subwoofer with precision and dynamism . Thanks to its advanced settings , including a subsonic filter (10-40 Hz) , an adjustable LPF (50-5000 Hz) , a Bass Boost (0-18 dB) and a Phase Shift (0-180°) , it allows you to optimize the bass response according to the audio system.
The amplifier is equipped with high-level inputs with EPS® (Error Protection System) and automatic start-up , facilitating its integration into original audio systems . It is also Start/Stop compatible , ensuring stable power even when the engine restarts.
A compact bass remote is included for direct bass control from the cockpit.
Main features
- Ultra-compact Class D mono amplifier with high energy efficiency (86%)
- RMS Power : 280W @ 4Ω | 500W @ 2Ω
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Advanced subwoofer settings :
- Subsonic : 10-40 Hz
- LPF : 50-5000 Hz
- Bass Boost : 0-18 dB
- Phase Shift : 0-180°
- RCA & High Level Inputs with EPS® (Error Protection System)
- Automatic start & Start/Stop compatibility
- MOSFET PWM Power Supply & 3-level protection
- Ultra-compact format: 190 x 35 x 102 mm
- Bass remote control included
Technical specifications
Characteristic | Details |
---|---|
Kind | Mono Class D Amplifier |
RMS power | 1 x 280W @ 4Ω | 1 x 500W @ 2Ω |
Subsonic | 10-40 Hz |
LPF | 50-5000 Hz |
Bass Boost | 0-18 dB |
Phase Shift | 0-180° |
Entrances | RCA & High Level with EPS® |
Automatic start | Yes |
Start/Stop Compatibility | Yes |
Efficiency | Up to 86% |
Dimensions | 190 x 35 x 102 mm |
Package Contents
- 1 x ESX QM500.1 Amplifier
- Compact bass adjustment remote control
- Installation Manual
Additional accessories (sold separately)
- High performance power cables
- Shielded RCA cables
- Compatible subwoofers
The ESX QM500.1 is a powerful and compact mono amplifier, ideal for discreet but high-performance installations. Its high efficiency, numerous adjustment features and small size make it a perfect solution for demanding audiophiles .

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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