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ESX Quantum QXB8A 8" (20cm) Active Enclosed Subwoofer
400 Watt
ESX

Quantum QXB8A

8" (20cm) Active Enclosed Subwoofer

Technical Highlights

  • 8" active subwoofer, 400/800 watts, Class D amplifier.
  • Integrated amplifier, bass boost, wired remote control.
  • Optional feet, robust construction, versatile installation options.
  • More technical details
€449,00
€449,00 €449,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
Apr 11, - Apr 14,
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ESX-Quantum QXB8A-8" (20cm) Aktiv-Gehäusesubwoofer-masori-kaufen
€449,00
€449,00 €449,00

Compatible with Quantum QXB8A

Quantum QXB8A by ESX

The Quantum QXB8A is an 8-inch active enclosure subwoofer from ESX in bass reflex design with an integrated Class D Amplifier (Power4 active module). The output power is 1 x 400 watts RMS, with a maximum power of 1 x 800 watts. For signal processing, there is a low-pass filter from 40–120 Hz with a 12 dB slope, a phase switch 0°/180°, and a bass boost of 0–6 dB at 45 Hz. Connections and functions include RCA low-level input, high-level input, automatic power-on function via DC or signal, and start-stop capability (5 s to 7 V). EPS PRO with 10R/150R/600R and a switchable input sensitivity of 15 or 40 volts are integrated, complemented by a 3-fold limiter function and a clipping LED. The delivery includes a bass level remote control, a protective grille, and a robust compact enclosure with logo sticks; optional feet allow for downfire operation, with dimensions of 48 x 33 x 18 cm.

Features
  • 8-inch active enclosure subwoofer (bass reflex)
  • Integrated Class D Amplifier (Power4 active module)
  • RMS power: 1 x 400 watts
  • Maximum power: 1 x 800 watts
  • Bass level remote control
  • Robust compact enclosure with logo sticks
  • Protective grille
  • Optional feet for downfire operation
  • Dimensions: 48 x 33 x 18 cm
Technical Specifications
  • Speaker size: 200 mm (8 inches)
  • Low-pass filter: 40–120 Hz, 12 dB slope
  • Phase switch: 0°/180°
  • Bass boost: 0–6 dB at 45 Hz
  • RCA low-level input
  • High-level input
  • Automatic power-on function: DC or signal
  • Start-stop capable: 5 s to 7 V
  • EPS PRO: 10R / 150R / 600R (switchable)
  • Input sensitivity: 15 V or 40 V (switchable)
  • 3-fold limiter function
  • Clipping LED

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ESX Quantum QXB8A Datasheet

Open datasheet

Frequently Asked Questions about Quantum QXB8A

What is the output power of the Quantum QXB8A?

The Quantum QXB8A offers an impressive output power of up to 400 Watts RMS, achieved through an integrated Class D Amplifier. The use of this amplifier technology allows for efficient and powerful sound output, which is particularly convincing with loud music. The value of 400 Watts RMS represents the continuous power that the Subwoofer can provide, making it an excellent choice for anyone who appreciates strong bass lines. Additionally, the Quantum QXB8A can reach a maximum power of up to 800 Watts, making it particularly dynamic and powerful.

What are the dimensions of the Quantum QXB8A?

The dimensions of the Quantum QXB8A are a crucial factor for installation. With a size of 48 x 33 x 18 cm, it fits into many types of vehicles while still being compact enough not to waste valuable space. Knowing the exact measurements is especially important when it comes to placing the Subwoofer in the trunk or under a seat. Its low height makes it versatile, and the optional ability to use it with stand feet in downfire operation increases its flexibility.

What adjustment options does the Quantum QXB8A offer?

The Quantum QXB8A offers several adjustment options that allow for sound customization to personal preferences. The low-pass filter is adjustable between 40-120 Hz with a slope of 12 dB, allowing for precise frequency separation adjustment. Additionally, there is a phase switch with options 0°/180°, which optimizes the synchronization of the Subwoofer with other speakers in the vehicle. The bass boost is adjustable between 0-6 dB @ 45 Hz to enhance the bass as desired.

How does the automatic power-on function of the Quantum QXB8A work?

The automatic power-on feature of the Quantum QXB8A is a function that significantly enhances user convenience. Two modes are available: DC control or signal mode. In DC mode, the Subwoofer activates as soon as it registers sufficient voltage. The signal mode, on the other hand, turns on the Subwoofer when an incoming audio signal is detected. Both options provide flexibility and are particularly useful for almost immediate readiness when starting the vehicle without manual intervention. This function is also linked to the vehicle's start-stop capability and operates within a voltage range of 5 to 7 volts.

What connectivity options does the Quantum QXB8A have?

The Quantum QXB8A offers versatile connectivity options to accommodate various vehicle audio systems. It features a RCA low-level input for connection to common car radios with preamp output. Also integrated is a high-level input that allows direct connection to speaker outputs, in case the car radio does not provide preamp outputs. This makes the Subwoofer flexible and ready for use in different vehicle setups and simplifies integration into existing systems. Additionally, the bass level cable remote allows volume adjustment from inside the vehicle.

How do you install the Quantum QXB8A in the car?

Installing the Quantum QXB8A in the car requires a precise understanding of dimensions and space conditions. With dimensions of 48 x 33 x 18 cm, it is crucial to find the right spot for this device, whether in the trunk or behind the seats. The installation can be enhanced by using the optional stand feet, which allow for downfire operation. Additionally, the electrical connection must be done correctly to utilize the automatic power-on feature and the full potential of the Class D Amplifier. The included cable remote should also be mounted in an easily accessible location.

What protection features does the Quantum QXB8A offer?

The Quantum QXB8A is equipped with several protection features to ensure safe operation. It has a 3-fold limiter that protects the Subwoofer from overload by reducing the audio signal in time. A clipping LED indicates when the signal is too strong and distortion is imminent. This is particularly useful for ensuring optimal performance at all times and protecting the system from damage. These functionalities are crucial for ensuring the longevity and performance of the Subwoofer in any application scenario.

Can the Quantum QXB8A be used with different car brands?

Thanks to its flexible connection options and compact design, the Quantum QXB8A is compatible with a variety of vehicle models. Integration is possible via the high-level input, allowing connection to car radios without a special pre-amplifier output. This universal applicability makes it a suitable additional component for numerous car brands without the need for specific adjustments. A look into the vehicle documentation helps understand the appropriate connection points, making the integration of the Subwoofer into the existing audio system easier.

What advantages does the Class D Amplifier in the Quantum QXB8A offer?

The Class D Amplifier of the Quantum QXB8A offers numerous advantages over conventional amplifier technologies. This technology is more efficient as it generates less heat and thus does not require elaborate cooling mechanisms. This allows for a more compact design of the active Subwoofer. The highly efficient signal processing also leads to a clearer and more precise sound image while consuming low energy. Due to this efficiency, the Subwoofer can achieve consistently high performance without overheating, which is particularly beneficial in tight installation situations.

What is the downfire operation in the Quantum QXB8A?

The downfire operation of the Quantum QXB8A refers to the placement method of the active Subwoofer, where the speaker is directed downwards. This configuration allows for more efficient distribution of bass within the vehicle interior, resulting in a more spacious and richer sound experience. The optional stands included in the package enable this type of placement and ensure that the Subwoofer stands stable while the sound is optimally projected. The space conditions in the car should be considered to ensure the best possible implementation.

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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