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ESX QM-ONE 1-Channel Amplifier
SKU:  QM-ONE
EAN:  4251476408081
360 Watt

QM-ONE

SKU:  QM-ONE
EAN:  4251476408081

Technical Highlights

  • 215/360 Watts RMS at 4/2 Ω, efficiency up to 85%.
  • Automatic switch-on function, Class D technology, compact design.
  • Error Protection System, high-level inputs, heavy-duty cast heatsink.
  • More technical details
€149,00
€149,00 €149,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 5, - Jun 8,
x piece
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QM-ONE by ESX

The QM-ONE 1-Channel Amplifier from ESX is a digital Class D model with dimensions of 216 x 39 x 84 mm. The output power is 215 Watts RMS at 4 Ohms and 360 Watts RMS at 2 Ohms. It is designed as a Mono Class D Mini Digital Amplifier. Included are a heavy cast heat sink, an automatic power-on function, and Start/Stop Ready. High-level inputs with Error Protection System (EPS) as well as RCA inputs are integrated. A low-pass filter from 50 to 250 Hz, a subsonic filter from 10 to 40 Hz, and a bass boost from 0 to 12 dB are available. The efficiency is up to 85%. A compact bass level remote control is included.

Features
  • 1-Channel Amplifier
  • Mono Class D Mini Digital Amplifier
  • Heavy cast heat sink
  • Automatic power-on function
  • High-level inputs with Error Protection System (EPS)
  • Start/Stop Ready
  • Compact bass level remote control
  • RCA inputs
Technical Specifications
  • Power RMS 215 Watts at 4 Ohms
  • Power RMS 360 Watts at 2 Ohms
  • LPF 50–250 Hz
  • Subsonic 10–40 Hz
  • Bass Boost 0–12 dB
  • Dimensions 216 x 39 x 84 mm
  • Efficiency up to 85%

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ESX QM-ONE Datasheet

Open datasheet

Frequently Asked Questions about QM-ONE

What power does the ESX QM-ONE Amplifier deliver at 4 and 2 Ohms?

The ESX QM-ONE Amplifier delivers an impressive 215 Watts RMS power at a load of 4 Ohms and increases its power to 360 Watts RMS when operated at 2 Ohms. These power values make it a suitable choice for both moderate and demanding audio applications that require high-quality and consistent audio output. Its Class D technology ensures high performance while maintaining minimal space requirements, which is particularly advantageous for installations with limited space. The compact design with consistently high power is a standout feature of this model.

How does the heavy cast heat sink improve the function of the QM-ONE Amplifier?

The heavy cast heat sink of the ESX QM-ONE Amplifier is specifically designed to efficiently dissipate the heat generated during the operation of the amplifier. This significantly helps protect the internal components from overheating, which not only increases reliability but also enhances the longevity of the device. With effective heat dissipation, the amplifier remains stable and powerful even under high load. This is especially beneficial for installations in tight spaces or areas with restricted air circulation, as it prevents heat buildup.

What frequency ranges does the Subsonic filter in the QM-ONE Amplifier cover?

The Subsonic filter in the ESX QM-ONE Amplifier is designed to efficiently handle low-frequency sounds. It is adjustable between 10 Hz and 40 Hz, allowing unwanted and potentially harmful sub-frequencies to be filtered out. This is particularly useful for minimizing distortion and mechanical stress on speakers that could be caused by extremely low frequencies. This filter serves as a preventive measure to protect the audio system by reducing power consumption at useless frequencies and optimizing the overall performance of the system.

What advantages do the high-level inputs with Error Protection System in the QM-ONE offer?

The high-level inputs of the ESX QM-ONE Amplifier with Error Protection System (EPS) allow for easy integration into existing audio systems, even those without dedicated preamp outputs. The EPS ensures that in case of issues like short circuits or overheating, the amplifier automatically shuts down to prevent damage. This combination of flexibility and protection increases the reliability of the audio system and provides a dependable protection mechanism that detects and prevents unforeseen technical problems. This guarantees long-term and trouble-free use.

How efficient is the QM-ONE Amplifier from ESX?

The ESX QM-ONE Amplifier impresses with a high efficiency of up to 85%. This efficiency is primarily due to Class D technology, which enables lossless power transfer. With its high efficiency, the amplifier minimizes power consumption and avoids unnecessary heat generation, which is particularly advantageous in mobile applications as it reduces the load on the vehicle battery. This energy efficiency also helps optimize sound quality by directing more power into actual sound reproduction rather than into heat losses.

What are the dimensions of the QM-ONE Amplifier?

The dimensions of the ESX QM-ONE are exceptionally compact at 216 mm in length, 39 mm in height, and 84 mm in width. These measurements allow for easy installation even in tight spaces without compromising performance. Thanks to this compactness, the amplifier is particularly suitable for applications where space is limited, such as in small vehicles or tightly designed audio setups. The small size also facilitates installation in trim parts without requiring major modifications to the vehicle.

What is the function of the automatic power-on feature of the QM-ONE?

The automatic power-on feature of the ESX QM-ONE ensures that the amplifier automatically turns on as soon as an input signal is detected. This function greatly simplifies integration into existing audio systems, as no additional wiring or external control signals are needed. This is especially helpful in modern vehicle systems that already support automatic control and source switching. This intelligent functionality ensures that the audio system is ready for use immediately, without the need for manual intervention, significantly enhancing user convenience.

Is the QM-ONE compatible with start/stop systems?

Yes, the ESX QM-ONE Amplifier is start/stop-ready and is suitable for use in vehicles with start-stop systems. This compatibility means that the amplifier remains stable during start-stop phases and does not experience restart issues or delays in audio operation. The careful selection of electronic components ensures that the amplifier can handle power fluctuations caused by the start-stop system without any problems. This is crucial to ensure seamless audio playback even when the vehicle ignition is temporarily interrupted.

What control options does the bass level remote control of the QM-ONE offer?

The ESX QM-ONE offers a compact bass level remote control that allows convenient real-time adjustment of the bass level. This feature enables the user to set the desired bass intensity directly from the driver's seat without physical adjustments to the amplifier. Individual sound preferences can thus be flexibly adjusted during driving to suit different music genres or listening situations. This function is ideal when you want to switch between music styles that require different bass emphasis without being distracted from the road.

What frequency settings does the LPF in the QM-ONE Amplifier allow?

The Low-Pass Filter (LPF) in the ESX QM-ONE Amplifier offers variable settings from 50 Hz to 250 Hz. This range allows for precise adjustment of playback frequencies to tailor the sound to individual listening habits and speaker characteristics. This filter is particularly useful for directing low frequencies specifically to Subwoofers, achieving a harmonious balance in the sound image. Thus, the LPF prevents overloading midrange and high-frequency drivers by separating the lower frequencies from the overall signal and feeding them only to selected bass speakers.

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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