ESX Quantum QM500.2 2-channel amplifier

Max, Mikael and 53k+ customers already with Masori sound upgrade

ESX Quantum QM500.2 2-channel amplifier

500 watts RMS, 88% efficiency, Class-D technology for efficiency.
2 x 140/250 watts RMS @ 4/2 Ω, 1 x 450 watts RMS, 4 Ω bridged.
High level inputs, auto turn-on, error protection system.
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€229,00

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Quantum QM500.2 by ESX

Discover the Quantum QM500.2: This 2-channel amplifier comes from ESX and impresses with its compact format measuring 190 x 35 x 112 mm. The bass level remote control, advanced Class-D technology, and audiophile-tuned components are just a few of the standout features of this model. The highly efficient amplifier also scores with high-level inputs and an automatic turn-on function, making it ideal for installation in factory systems. With an output power of 500 watts RMS and an efficiency of up to 88%, the Quantum QM500.2 is a small powerhouse. And all of this is packaged in a solid housing made of compact aluminum.

Features

Advanced Class D technology with very high efficiency
Selected and audiophile-tuned components
Compact aluminum heat sink and side parts made of aluminum die-cast
High-level inputs with Error Protection System
Auto Turn-On, Start/Stop Ready
MOSFET-PWM power supply, 3-fold protection circuit
Compact Bass Cable Remote Control

Data

500 Watt RMS output power
2 x 140/250 Watt RMS @ 4/2 Ω
1 x 450 Watt RMS @ 4 Ω bridged
HP 10-500 Hz, LP 50-5000 Hz
Bandpass Mode
RCA /Cinch & high-level inputs via wiring harness
Automatic power-on function
Compact cable remote control for bass level
Dimensions 190 x 35 x 112 mm
Efficiency up to 88%

ESX Quantum QM500.2 Datenblatt

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Frequent questions about Quantum QM500.2

Wie viel Leistung bringt der Quantum QM500.2 Verstärker?

The Quantum QM500.2 from ESX offers an impressive output power of 500 watts RMS. This 2-channel amplifier delivers 140 watts per channel at 4 ohms and 250 watts at 2 ohms, with 450 watts at 4 ohms in bridged mode. Thanks to the advanced Class-D technology, the amplifier achieves an efficiency of up to 88%, making it an extremely efficient device. The high power combined with efficiency makes the QM500.2 ideal for demanding audio applications in vehicles that require powerful yet compact solutions.

Welche Abmessungen hat der Quantum QM500.2?

The Quantum QM500.2 amplifier from ESX is designed to be compact for easy installation in the vehicle. The dimensions are 190 mm in width, 35 mm in height, and 112 mm in depth. These small dimensions allow for flexible placement in the vehicle, even in tight installation conditions. The compact size is made possible by a solid aluminum housing, which is not only robust but also contributes to efficient heat dissipation, an important factor for the longevity of the amplifier.

Welche Eingangsoptionen bietet der Quantum QM500.2?

The ESX Quantum QM500.2 amplifier is equipped with multiple input options that allow for versatile integration into your existing audio system. It offers both RCA/Cinch inputs and high-level inputs via a wiring harness. This flexibility allows for connection to both conventional car radios and factory systems with high-level outputs. Additionally, the Error Protection System is employed, ensuring the safety and stability of the connection. An automatic power-on function makes handling particularly convenient.

Wie funktioniert die automatische Einschaltfunktion des Quantum QM500.2?

The Quantum QM500.2 amplifier features an automatic power-on function that activates the amplifier as soon as an audio input signal is detected. This is particularly useful in vehicles with factory systems, as no separate remote wire is required. The amplifier can thus be connected directly to the high-level output of the car radio and starts automatically as soon as music playback begins. This function not only enhances user convenience but also significantly reduces installation effort by eliminating the need for additional cables.

Welche Schutzmechanismen hat der Quantum QM500.2?

The ESX Quantum QM500.2 is equipped with a triple protection circuit that includes essential safety features. These include overheating protection, overvoltage protection, and short-circuit protection. These mechanisms ensure that the amplifier is safely shut down in the event of unusual operating conditions to prevent damage. Another highlight is the Error Protection System in the high-level input, which provides protection in case of misconfigurations. Overall, these features significantly enhance the reliability of the amplifier.

Wie wird die Basspegel-Fernbedienung des Quantum QM500.2 verwendet?

The compact bass level remote control of the Quantum QM500.2 allows for convenient adjustment of the bass level directly from the driver's seat. This handy control unit can be mounted in an easily accessible location in the vehicle and is connected to the amplifier via a cable. It enables you to precisely adjust the bass level according to music genre or personal preference. This is especially practical for quickly adapting the sound to different listening situations without having to change the main settings of the amplifier.

Welche Frequenzweichenoptionen bietet der Quantum QM500.2?

The ESX Quantum QM500.2 amplifier is equipped with flexible crossovers that offer a variety of adjustment options. The high-pass filter (HP) can be set between 10 and 500 Hz, while the low-pass filter (LP) operates in the range of 50 to 5000 Hz. Additionally, there is the option to use the bandpass mode, which further specializes the frequency selection. With these options, the sound characteristics of the system can be optimally adjusted to the speakers to achieve the best possible sound performance in the vehicle.

Welche Kompatibilität bietet der Quantum QM500.2 mit bestehenden Audiosystemen?

The Quantum QM500.2 amplifier from ESX is particularly suitable for integration into existing audio systems, including factory installations. Thanks to its high-level inputs, it is compatible with vehicles that do not have pre-outs on their factory radios. The compact design with dimensions of 190 x 35 x 112 mm allows for easy installation in tight spaces. In addition, the automatic turn-on function supports seamless operation without additional wiring of remote leads. The comprehensive compatibility makes it the ideal choice for many vehicle models.

Welche Bauweise hat der Quantum QM500.2 Verstärker?

The Quantum QM500.2 from ESX is equipped with a solid aluminum housing that serves both as a robust protective casing and supports effective cooling. The side panels are made of die-cast aluminum, providing additional stability and improving heat dissipation. The compact yet stable design contributes to the durability and reliability of the amplifier, even under intense use. The high-quality components are audiophile-tuned to ensure outstanding sound quality, making the QM500.2 particularly attractive to sound enthusiasts.

Welche Vorteile bietet die Class-D-Technologie im Quantum QM500.2?

The Class D technology in the Quantum QM500.2 amplifier from ESX offers numerous advantages, both in terms of efficiency and sound quality. The high efficiency of up to 88% results in low heat generation and maximum utilization of the input power for music playback. This reduces energy consumption and increases the overall performance of the amplifier. Additionally, the Class D amplifier is more compact and lighter, which simplifies installation. The technology also allows for clear and precise audio playback, which is particularly impressive at high volumes.

Herstellerinformation/verantwortliche Person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

Let customers speak for us

from 9062 reviews

Franco

Super guter Subwoofer

Super Subwoofer mit extrem tiefem Bass. Die Kabel sind dick und hochwertig verarbeitet. Es gibt nichts zu beanstanden. Absolut empfehlenswert.

CBP1000

12/09/2025

Jean François Tedesco

Alpine tube 12 bazooka , Un sacré caisson de basses ,

Un sacré caisson de basses , j'ai eu un 46 cm killer 454 de l'époque année 90 , qui tapait vraiment bien , mais ce tube est bien plus fort et plus ample, toutes les basses passent sans problème, avec une télécommande à réglage multiples taramps eq bass , et un ampli Machete de masori , le couple est parfait, personnellement j'en ai deux tubes et ça donne énormément, avec l'ampli 2 x 530 en 4 ohms . Parfois le plus simple est bien meilleur et plus durable .

SWT-12S4

11/29/2025

Bartosz Erber

X-10 v3 d2

Hallo. Sehr freundlicher Kundenservice und schnelle Auftragsabwicklung. Der Lautsprecher ist brandneu und unbenutzt. Ich habe ihn vor einiger Zeit gekauft, aber erst kürzlich das Gehäuse fertiggestellt. Die Parameter entsprechen den Herstellerangaben: 42,5 Liter Nettovolumen, abgestimmt auf 32 Hz und 21 mm starkes Sperrholz. Ich hatte noch nie einen 10-Zoll-Lautsprecher und wusste nicht, was mich erwartet, aber das Ergebnis hat meine kühnsten Erwartungen übertroffen. Der Bass aus einem so kleinen Lautsprecher in einem so kleinen Gehäuse ist einfach unglaublich. Um den X-10 zu kaufen, habe ich meinen DD 712f in einem 70-Liter-Gehäuse verkauft, und der war ein Volltreffer. Der Sundown ist in jeder Hinsicht besser. Ich kann diesen Lautsprecher und den Händler, bei dem ich ihn gekauft habe, wärmstens empfehlen. Beste Grüße.

X10 v3

11/18/2025

tatazz

Est arrivé à la maison très rapidement

Est arrivé à la maison très rapidement 👌🏽

Hydrogen GZHW 25XSPL

11/13/2025

Anonym

.

Geht echt gut und leicht zum einstellen

GPX2200.1D

11/12/2025

Georges, Alexander, Vainohoarii NAGLE

Très satisfaisant.

Bonjour, je reçu le colis bien emballé.
Je recommande vivement, la livraison est gratuite et rapide, je recommanderai sûrement encore chez Masori.

RS-YS12

11/10/2025

SPYRIDON D.

Bought again

Bought again. Great price, fast delivery, nice !

Mille Pro MP 165.3

11/06/2025

Arthur Mol

Perfect sound, I bough 2 pairs for the door and

Perfect sound, I bough 2 pairs for the door and the difference between these and the stock ones are huge

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11/03/2025

christopher Martinez

Deaf bonce

Très bonne qualité
Envoie rapide et soigné
Je recommande

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Tomáš hokuf

Nice

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Preis/Leistung Qualität top!

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10/28/2025

Anonym

Top Upgrade für Canton System

Ich habe den Woofer in meinem Skoda Octavia 3 mit Canton Soundsystem eingebaut.
Der Einbau war Plug & Play, alles passt perfekt ohne Anpassungen.
Im Vergleich zum originalen Canton Subwoofer spielt dieser deutlich stärker, präziser und mit mehr Druck.
Ich kann den Woofer jedem empfehlen, der mehr Bass aus dem Canton-System herausholen möchte – lohnt sich absolut!

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