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  5. Quantum QL800.4
ESX Quantum QL800.4 4-Channel Amplifier
SKU:  QL800-4
EAN:  4251476405806
200 Watt

Quantum QL800.4

SKU:  QL800-4
EAN:  4251476405806

Technical Highlights

  • Power: 4 x 125/200 Watts RMS @ 4/2 Ω, Impedance: 2 x 400 Watts RMS bridged.
  • Efficiency up to 86%, Class D technology, MOSFET PWM power supply.
  • HPF 50-5000 Hz (CH1/2), LPF 50-5000 Hz (CH3/4), Bass Boost 0-12 dB.
  • More technical details
€299,00
€299,00 €299,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 5, - Jun 8,
x piece
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Quantum QL800.4 by ESX

Quantum QL800.4 is a 4-Channel Amplifier from ESX in Class D design with an efficiency of up to 86 percent. Selected and audiophile-tuned components as well as a massive aluminum heat sink with heavy die-cast aluminum side parts are integrated. The compact design and emission-free technology are provided. High-level inputs with Error Protection System, automatic turn-on function, and Start/Stop Ready are available. The MOSFET-PWM power supply, a 3-fold protection circuit, and a compact bass level remote control are part of the equipment. Output power is 4 x 125 Watts RMS at 4 Ohms, 4 x 200 Watts RMS at 2 Ohms, or 2 x 400 Watts RMS at 4 Ohms bridged. Filter functions include HPF 50 to 5000 Hz for CH1/2, HPF 10 to 500 Hz and LPF 50 to 5000 Hz for CH3/4, complemented by bandpass function, bass boost 0 to 12 dB, input selector switch, and copy mode CH3/4 to CH1/2. Dimensions are 226 x 43 x 120 mm.

Features
  • 4-Channel Amplifier
  • Class D technology
  • Selected and audiophile-tuned components
  • Massive aluminum heat sink
  • Heavy die-cast aluminum side parts
  • High-level inputs with Error Protection System EPS
  • Automatic turn-on function
  • Start/Stop Ready
  • MOSFET-PWM power supply
  • 3-fold protection circuit
  • Compact bass level remote control
  • Compact design
  • Emission-free technology
Technical Specifications
  • 4-Channel Class D Digital Amplifier
  • 4 x 125 Watts RMS @ 4 Ohms
  • 4 x 200 Watts RMS @ 2 Ohms
  • 2 x 400 Watts RMS @ 4 Ohms bridged
  • HPF 50-5000 Hz CH1/2
  • HPF 10-500 Hz CH3/4
  • LPF 50-5000 Hz CH3/4
  • Bandpass function
  • Bass Boost 0-12 dB
  • Copy mode CH3/4 to CH1/2
  • Input selector switch
  • Dimensions 226 x 43 x 120 mm
  • Efficiency up to 86 percent

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ESX Quantum QL800.4 Datasheet

Open datasheet

Frequently Asked Questions about Quantum QL800.4

What channel configurations does the Quantum QL800.4 amplifier support?

The Quantum QL800.4 is a 4-channel Class D digital amplifier that offers flexible sound setup. You can operate it in 4-channel configuration with 4 x 125 watts RMS at 4 ohms or 4 x 200 watts RMS at 2 ohms. Additionally, bridging is possible to combine 2 channels into 1, allowing for 2 x 400 watts RMS at 4 ohms. This versatility enables you to tailor the amplifier to your speaker system and achieve both stereo and mono operation.

How efficient is the ESX Quantum QL800.4 amplifier?

The ESX Quantum QL800.4 impresses with its high efficiency thanks to advanced Class D technology. With an efficiency of up to 86%, the amplifier optimally utilizes the supplied energy and minimizes energy loss in the form of heat. This feature not only makes it more environmentally friendly but also ideal for use in vehicles where energy consumption plays a crucial role. Furthermore, the high efficiency allows the additional energy to benefit the speakers, enhancing the overall performance of the audio system.

What protection features does the Quantum QL800.4 offer?

The Quantum QL800.4 from ESX is equipped with a triple protection circuit that guarantees reliable performance. These protection mechanisms include short circuit, overheating, and overvoltage protection to safeguard the amplifier and connected components. Additionally, the integrated Error Protection System (EPS) ensures that sudden voltage spikes or interference do not cause damage at high-level inputs. These extensive protection features ensure a long lifespan for the amplifier and smooth operation even under demanding conditions.

What are the dimensions of the ESX Quantum QL800.4 amplifier?

The ESX Quantum QL800.4 is characterized by its compact design and is ideal for vehicles with limited installation space. The exact dimensions are 226 x 43 x 120 mm. These compact measurements facilitate installation and allow for flexible placement in the vehicle, even in tight installation conditions. Thanks to this handy size and emission-free technology, the amplifier integrates seamlessly and helps optimize your sound system without causing space issues.

How can the bass level be adjusted on the Quantum QL800.4?

The bass level on the Quantum QL800.4 is adjusted using the included compact bass level remote control, which allows for easy control of the bass component. This feature allows for adjustment of the bass level by up to 12 dB, enabling you to tailor the sound to your individual preferences without having to operate the main unit. This remote control is particularly useful when a quick adjustment of the bass settings is needed while driving to enhance the listening experience, especially with different music genres or acoustic conditions.

What audio filters are available on the Quantum QL800.4?

The Quantum QL800.4 amplifier features several audio filters that allow you to fine-tune the sound. Among them are a high-pass filter (HPF) for channels 1 and 2 with adjustable frequencies from 50 to 5000 Hz, as well as for channels 3 and 4 from 10 to 500 Hz. The low-pass filter (LPF) for channels 3 and 4 also allows settings from 50 to 5000 Hz. These filters help ensure the optimal sound profile for various speaker configurations by reducing unwanted frequencies.

What does the automatic power-on feature of the Quantum QL800.4 mean?

The automatic power-on feature of the Quantum QL800.4 means that the amplifier is capable of turning itself on as soon as an audio signal is detected. This function simplifies operation and enhances convenience, as the amplifier does not need to be manually turned on and off. This convenient feature is particularly useful in modern vehicles where access to hidden installed devices is difficult. Additionally, the Quantum QL800.4 is 'Start/Stop Ready', making it ideal for vehicles with this technology.

What ingredients contribute to the high-quality sound of the Quantum QL800.4?

The high-quality sound of the Quantum QL800.4 amplifier is achieved through several factors. The selected and audiophile-tuned components play a central role. Additionally, the massive aluminum heat sink ensures effective heat dissipation, thus guaranteeing consistent performance. The heavy die-cast aluminum side panels also contribute to stability and durability. These technical features, combined with advanced Class D technology, are crucial in producing a clear and powerful sound.

What installation options does the ESX Quantum QL800.4 offer?

The ESX Quantum QL800.4 offers various installation options due to its compact dimensions of 226 x 43 x 120 mm. Whether in the trunk, under the seat, or in hidden areas of the vehicle, the compact design allows for flexible and discreet installation. When installing, it is important to ensure adequate ventilation to maintain maximum performance. A clearly defined access area for cable connections and the bass level remote control facilitates installation and future access for convenient adjustments to the settings.

What sound customization options does the Quantum QL800.4 offer?

The Quantum QL800.4 offers several sound customization options that can be individually adjusted thanks to various filters and switching functions. The bass boost allows you to increase bass output by up to 12 dB. Additionally, the bandpass function ensures that frequencies can be optimally adjusted for specific speaker types. With the input selector switch, you can choose between different audio sources, while the copy mode (CH3/4 > CH1/2) allows for easy coupling of audio settings between channels. These features provide a comprehensive way to tailor the sound to your personal preferences.

Manufacturer information / responsible person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

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The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

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