3. YACZH13XHMPH
  5. BSI

BSI

4 reviews

BSI

4 reviews

Technical Highlights

  • Variable parametric bass processing, 24dB/Oct filter.
  • Balanced RCA inputs, high-level inputs, selectable voltage.
  • Multifunctional remote control, easy handling, integration.
  • More technical details
€99.00
€99.00 €99.00
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ProductBSI

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datasheet
The DD Audio BSI is a black electronic High-Low Adapter featuring multiple knobs, RCA inputs, a green terminal block, and labeled line/power ports.
€99.00
€99.00 €99.00

BSI Product is a High-Low Adapter from DD Audio with variable parametric bass processing, digital frequency adjustment, and variable 24dB/oct subsonic and low-pass filters. The device uses differential symmetrical 2-channel RCA and speaker inputs, as well as selectable sensitivity ranges for input voltage for RCA 0.5 - 5v or 1 - 10v and high level 2 - 20v or 4 - 40v. Control is via a multifunction remote control, complemented by signal sensing, 12v, and DC offset activation. A variable gain adjustment with output clip indication, selectable ground isolation, and an aluminum housing are integrated. Technical specifications include an RCA output voltage of > 10v, RCA input impedance ≥ 20k, high level input impedance 180, RCA output impedance ≥ 50, RCA input S/N ≥ 105dBA, and high level input S/N ≥ 106dBA, total harmonic distortion 0.05%, as well as a frequency response of 15Hz - 20kHz. The dimensions are 155 x 87.4 x 27 mm.

Features
  • High-Low Adapter
  • Variable parametric bass processing
  • Variable 24dB/oct subsonic and low-pass filters
  • Digital frequency adjustment
  • Multifunction remote control
  • Differential symmetrical 2-channel RCA and speaker inputs
  • Selectable sensitivity range for input voltage
  • Signal sensing, 12v, and DC offset activation
  • Variable gain adjustment with output clip indication
  • Selectable ground isolation
  • Aluminum housing
Technical Data
  • Operating voltage: 10 - 16
  • Input channel(s): 2
  • Output channel(s): 2
  • Sensitivity of RCA input voltage: 0.5 - 5v / 1 - 10v
  • Sensitivity of high level input voltage: 2 - 20v / 4 - 40v
  • RCA output voltage: > 10v
  • RCA input impedance: ≥ 20k
  • High level input impedance: 180
  • RCA output impedance: ≥ 50
  • RCA input S/N: ≥ 105dBA
  • High level input S/N: ≥ 106dBA
  • Total harmonic distortion: 0.05%
  • Frequency response: 15Hz - 20kHz
  • Subsonic filter: 15Hz - 50Hz 24dB/oct
  • Low-pass filter: 50Hz - 500Hz 24dB/oct
  • Remote control: Remote control included
  • Output current of the remote control: 12V >500 mA
  • Dimensions: 155 x 87.4 x 27 mm

Frequently Asked Questions about BSI

How does the DD Audio BSI improve bass in an audio system?

The DD Audio BSI is a Bass Signal Interface specifically designed to optimize the bass range. It offers variable parametric bass processing that allows for the restoration and enhancement of weak or lost bass in the audio system. With its variable 24dB/octave subsonic and low-pass filters, the frequency range can be precisely adjusted, resulting in clearer and more powerful bass reproduction. The digital frequency adjustment is another advantage, as it allows for fine-tuning to bring the bass to the desired level. These technical features make the BSI a powerful tool for bass enhancement.

What are the technical specifications of the RCA inputs on the BSI?

The DD Audio BSI features differential symmetrical 2-channel RCA inputs that can provide an input voltage sensitivity of 0.5 to 5 volts and 1 to 10 volts. The RCA input impedance is at least 20k. These specifications are crucial for integration into audio systems, as they ensure high compatibility with various components. Additionally, the high signal-to-noise ratio of at least 105dBA ensures clean signal transmission, which is immensely important for sound quality. The total harmonic distortion is only 0.05%, minimizing distortion. In summary, the BSI offers a high-quality connection option for various audio applications.

What features does the included remote control of the BSI offer?

The included multifunction remote control of the DD Audio BSI provides easy handling and allows for remote control of the bass processing. With the remote, you can adjust the system's output level and control the variable parametric bass processing. It also features an output clip indicator that visually shows when the system is reaching its performance limits, helping to avoid clipping. Operating on a 12V supply with an output current of more than 500 mA makes the remote a practical and efficient tool for operating the audio interface.

What frequency ranges can be adjusted on the BSI?

The DD Audio BSI offers versatile adjustment options for different frequency ranges. The frequency response of the device extends from 15Hz to 20kHz. The subsonic filter can be adjusted in the range of 15Hz to 50Hz, while the low-pass filter can process frequencies from 50Hz to 500Hz - each with a slope of 24dB/octave. This extensive adjustability of the frequency ranges allows for optimal sound adaptation to individual listening habits and the acoustic conditions of the vehicle, resulting in improved sound performance.

How is the DD Audio BSI installed in the vehicle?

The installation of the DD Audio BSI in the vehicle is done via the balanced differential RCA inputs and high-level inputs and can be quickly adjusted thanks to the selectable sensitivity of the input voltage range from 2 to 20 volts (high-level) and 0.5 to 5 volts (RCA). The dimensions of 155mm x 87.4mm x 27mm allow for flexible placement, for example, in the dashboard or in the trunk. Exact placement depends on the specific conditions of the vehicle, but due to the compact size, it can be easily implemented in almost any car.

What advantages does the selectable input voltage range of the BSI offer?

The selectable input voltage range of the BSI allows for flexible adjustment of the device to various audio systems. The RCA input voltage can be chosen between 0.5 to 5 volts or 1 to 10 volts, while the high-level input voltage can vary from 2 to 20 volts or 4 to 40 volts. This allows for integration of the BSI into both factory-installed and aftermarket audio systems, regardless of their output voltage. The adjustment improves compatibility and ensures optimal signal strength and sound quality without distortion or signal loss.

What role does the output clip indicator play in the BSI?

The output clip indicator of the DD Audio BSI is a crucial feature that provides the user with visual feedback to avoid clipping. When the audio interface approaches its power limit, the indicator signals this, allowing you to make timely adjustments to prevent distortion and potential damage to the speakers. This is particularly useful for maintaining sound clarity and not overloading the amplifier. Especially at high volume, the clip indicator ensures that the bass remains clear and undistorted.

How do the variable gain adjustment and ground isolation work in the BSI?

The variable gain adjustment of the BSI allows for fine-tuning of the output signal to achieve the desired volume and sound fidelity. This is done via the multifunctional remote control. The selectable ground isolation reduces potential ground loops that could lead to noise by providing an appropriate ground connection. Together, these features offer flexible sound control and help create a clear and distortion-free audio experience. Especially in complex audio systems, these characteristics are crucial for flawless performance.

What are the differences between RCA and high-level inputs and outputs on the BSI?

The DD Audio BSI offers both RCA and high-level inputs to adapt to various system requirements. RCA inputs are typically suitable for devices with a lower voltage range, while high-level inputs are used for higher voltage levels, such as those found at speaker outputs. The RCA outputs can generate voltages of over 10 volts to ensure strong performance. The high input impedance of RCA (≥ 20k) and high-level (180) ensures efficient signal transfer without sound loss. This provides flexibility in application and enhances integration into various audio systems.

What features does the housing of the DD Audio BSI have?

The housing of the DD Audio BSI is made of aluminum, making it both sturdy and lightweight, and provides efficient heat dissipation, which is crucial for protecting the internal electronics. The compact dimensions of 155mm x 87.4mm x 27mm facilitate integration into various vehicle types without taking up much space. The robust material properties of the aluminum housing also provide a resilient barrier against external influences and noise, protecting the internal electronics and maintaining sound dynamics undisturbed.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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