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ESX

Quantum QL500.2

2-channel amplifier

1 Review

279,00€
279,00€ 279,00€
incl. VAT , possibly plus shipping

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Highlights

  • 2-channel Class D amplifier, 500 watts RMS, emission-free.
  • Auto Turn-On, Error Protection, audiophile components, high efficiency.
  • Compact remote control, versatile functions, sound experience.
Seen more cheaply Personal Offer
brand: ESX
Delivery time:
Available for delivery in 1-4 days
Number:
Piece
Watt RMS per channel:
250
Amplifier Type:
Class D
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279,00€
279,00€ 279,00€

The Quantum QL500.2 is a sophisticated 2-channel amplifier. This model presents itself as a compact variant from the Quantum QL series, ideal for tight installation spaces. With state-of-the-art Class-D technology, emission-free performance, and high power, the QL500.2 leaves nothing to be desired in terms of sound quality and adjustment options. Additionally, this model offers options for expanding existing DSP systems with high power. A space-saving remote control is also included in the delivery. Thanks to these features, the QL500.2 is perfect for anyone who values not only powerful and high-quality sound but also space-saving design.

features

  • 2-channel amplifier
  • Advanced Class D technology with very high efficiency
  • Selected and audiophile-tuned components
  • Massive aluminum heat sink
  • Heavy side parts made of aluminum casting
  • 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
  • 2-Channel Class D Digital Amplifier

Data

  • 500 Watt RMS output power
  • 2 x 150/250 Watt RMS @ 4/2 Ohm
  • 1 x 500 Watt RMS @ 4 Ohm bridged
  • HP 10-500 Hz, LP 50-5000 Hz
  • Bass Boost 0-12 dB, Bandpass Mode
  • High-level inputs, Automatic power-on function
  • Compact cable remote control for bass level
  • Dimensions 226 x 43 x 120 mm
  • Efficiency up to 87%
The ESX Quantum QL500.2 amplifier offers a power output of 500 watts RMS. It can be configured as a 2-channel amplifier, delivering 2 x 150 watts RMS at 4 ohms or 2 x 250 watts RMS at 2 ohms. In bridged mode, it outputs 1 x 500 watts RMS at 4 ohms. This power capability allows for strong and clear audio output, supported by advanced Class-D technology, making it ideal for various applications in the car audio sector. Especially if you enjoy listening to music loudly, this amplifier provides the necessary power to meet your expectations.
The Quantum QL500.2 from ESX features Class-D technology, achieving an efficiency of up to 87%. This high efficiency ensures that the amplifier generates less heat even at higher power levels, resulting in reduced cooling requirements. Class-D technology is known for its ability to effectively convert electrical energy into acoustic energy, minimizing emissions and maximizing sound quality. Due to these technological features, the QL500.2 is ideally suited for use in cars, where space and energy efficiency are crucial.
The ESX Quantum QL500.2 amplifier measures a compact 226 x 43 x 120 mm, making it particularly suitable for installations where space is limited. This compact design facilitates placement under seats or in trunks without taking up valuable space. During installation, it is important to ensure that the location provides adequate ventilation, although the massive aluminum heat sink of the amplifier helps to efficiently dissipate the heat generated during operation. Also, pay attention to the connections and cable lengths to ensure a smooth installation.
The QL500.2 from ESX features high-level inputs equipped with an Error Protection System. This allows for integration into existing audio systems, especially those without dedicated preamp outputs. The Auto Turn-On function ensures hassle-free activation of the amplifier when a signal is detected, making additional switches unnecessary. These input options enhance the amplifier's compatibility, as they allow connection to almost any audio system. This is particularly advantageous in vehicles with factory-installed infotainment systems that do not have conventional preamp outputs.
The ESX Quantum QL500.2 amplifier offers flexible adjustment options in the frequency range. The high-pass (HP) is adjustable from 10 to 500 Hz, while the low-pass (LP) can be configured from 50 to 5000 Hz. This wide bandpass setting allows audiophiles to tailor the sound precisely to their listening preferences. This is particularly useful for use in systems that require full control over frequency distribution. For additional sound adjustments, the amplifier features a bass boost of 0 to 12 dB to particularly emphasize low frequencies.
The Quantum QL500.2 amplifier from ESX includes a compact remote control for adjusting the bass level. This allows you to fine-tune the bass from the driver's cabin without having to adjust the amplifier itself. The bass boost ranges from 0 to 12 dB, giving you the flexibility to set the bass to a customized level that suits your preferred music style. The remote control is user-friendly and provides quick access to the main functions, which is particularly advantageous for dynamic music styles or changing listening environments.
The Quantum QL500.2 from ESX uses a MOSFET PWM power supply, which ensures precise and even power delivery. This technology allows for fast and efficient conversion of incoming electrical currents, resulting in high-quality sound output without distortion. MOSFET PWM technology is known for its reliability and efficiency, as it has low losses in voltage regulation. Thus, the generated heat remains minimal, which in turn extends the lifespan of the amplifier and guarantees consistently high audio levels at various volumes.
The ESX Quantum QL500.2 amplifier features a triple protection circuit that provides essential protection against overcurrent, short circuits, and overheating. These protection mechanisms ensure that the amplifier remains safe during operation and shuts down in the event of malfunctions or overloads to prevent damage. This is particularly important when installed in vehicle systems, where voltage fluctuations and thermal stresses can occur more frequently. The protection circuits contribute to the long-term performance of the amplifier by ensuring that reliable daily use is possible even under extreme conditions.
The QUANTUM QL500.2 from ESX is equipped with a massive aluminum heat sink that is crucial for heat dissipation. Aluminum has excellent thermal conductivity and helps to quickly dissipate the heat generated by the amplifier. This is particularly important for maintaining optimal operating temperatures, allowing the amplifier to continuously maintain performance. Heavy aluminum die-cast side panels complement this cooling system and enhance the structural integrity of the amplifier, which is important during vibrations while driving. The efficient heat management significantly increases the lifespan of the entire system.
Yes, the ESX Quantum QL500.2 is specifically designed for vehicles with start/stop technology. This functionality ensures that the amplifier remains stable even during the brief voltage fluctuations that occur when the engine is restarted. The QL500.2 features an automatic turn-on function that activates as soon as an audio signal is detected, ensuring that the amplifier maintains its performance regardless of operational interruptions. This makes it ideally suited for modern vehicles with energy-saving mechanisms and facilitates integration into the electrical systems without compromising sound quality.

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

Customer Reviews

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Product Specifications

Manufacturer

ESX

Product type

2-channel amplifier

Features

  • Highlights

    • 2-channel Class D amplifier, 500 watts RMS, emission-free.
    • Auto Turn-On, Error Protection, audiophile components, high efficiency.
    • Compact remote control, versatile functions, sound experience.

  • Uvp

    279

weight

1.2 kg

Technical data

Watt RMS per channel

250

configurators

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Your advantages with Masori

QUANTUM QL500.2 from ESX: Buy a 2-channel amplifier online – High performance in a compact design

Benefit from its outstanding performance and the Masori lowest price guarantee when you purchase the QUANTUM QL500.2 from ESX. With 500 watts RMS output power, this amplifier delivers powerful and dynamic sound quality. Thanks to state-of-the-art Class D technology, emission-free performance is achieved. The compact design of the device (dimensions: 226 x 43 x 120 mm) allows the amplifier to be integrated even in locations with limited space – ideal for installation in cramped enclosures. The audiophile-quality of the selected components guarantees a sophisticated sound experience. High-level inputs with an error protection system for interference-free signal processing are also integrated.

The sophisticated QUANTUM QL500.2: Advanced Class-D technology

The use of Class-D technology in the QUANTUM QL500.2 from ESX brings several advantages. With an impressive efficiency of up to 87%, electrical losses are minimized, allowing more power to reach the speaker and reducing heat generation within the unit. This efficiency is particularly beneficial for car audio systems operating in confined spaces, as they don't rely on strong ventilation. Additionally, the amplifier delivers high power at low operating voltage, making it extremely efficient for audio amplification in vehicles that rely on battery power.

RMS power of the ESX QUANTUM QL500.2: Flexibility in sound installation

The amplifier offers 2 x 150 watts RMS at 4 ohms and 2 x 250 watts RMS at 2 ohms, as well as the option of bridged operation with 1 x 500 watts RMS at 4 ohms. This flexibility allows it to support various speaker configurations. High RMS power means the amplifier is capable of operating without distortion even at higher volumes. The adjustable output power makes the QL500.2 ideal for users who want to customize their car audio systems.

Solid aluminum heatsink: reliability and durability

The solid aluminum heatsink of the QUANTUM QL500.2 from ESX ensures excellent heat dissipation. Aluminum is known for its thermal properties, which dissipate heat quickly and efficiently. It prevents components from overheating, even during intensive use. This aspect is essential for the amplifier's longevity and reliability, especially during extended operation at high volume. A well-cooled amplifier not only delivers consistent performance but also reduces the risk of premature wear of electronic components.

Automatic power-on function and MOSFET PWM power supply: convenience and protection

The MOSFET PWM power supply in the QL500.2 ensures a stable power supply and supports the automatic power-on function. This functionality means the amplifier is activated immediately when an audio signal arrives, ensuring comfortable and seamless operation. The triple protection circuit provides protection against overload, short circuit, and overheating. These features are essential to ensure the safety and durability of the entire car audio system.

Advanced sound control: HP, LP and bass boost settings

The ESX QUANTUM QL500.2 features configurable high-pass and low-pass filters (HP 10-500 Hz, LP 50-5000 Hz) and an optional bass boost of 0-12 dB. These settings allow the sound to be tailored to individual preferences and specific speaker requirements. The bandpass mode allows for fine-tuning of the bass reproduction, which is especially essential for enthusiasts who focus on bass performance. The adaptability of these parameters creates an outstanding audio experience.

Bass level under control: Compact remote control

The compact wired bass level remote puts control over the bass volume directly in the user's hands. Ideal for quick adjustments without complex settings on the amplifier itself. This feature is especially useful for different music genres and sound sources that require different bass depths.

High-level inputs with Error Protection System: interference-free signal processing

The high-level inputs with integrated error protection system allow the amplifier to be integrated into existing audio systems without signal interference affecting the sound quality. This compatibility with non-specialized head units is essential for system expansion, as it ensures clear and undistorted audio reproduction even at high input levels.

Compliance with audiophile standards: Selected components and sound tuning

The carefully selected and audiophile-tuned components of the QUANTUM QL500.2 ensure superior sound quality. Component quality is particularly crucial in the car hi-fi world, where vibrations and fluctuations can impair the listening experience. These components are developed to the highest standards, minimizing manufacturing defects and ensuring consistently high sound reproduction throughout the amplifier's lifetime.

Expert support and installation service for the QL500.2

For all questions and support regarding the installation of the QUANTUM QL500.2 , our expert support FAQ & Help offers comprehensive assistance. On-site installation in Frankfurt (Oder) guarantees professional installation. In addition, the audio blog and other content on masori.de keep you informed about the latest developments in the car hi-fi sector.