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Soundigital XP 400.4 4-Channel Amplifier

Technical Highlights

  • Power of 4 x 66 W RMS at 4Ω, 4 x 100 W RMS at 2Ω.
  • Frequency response from 5Hz to 36kHz, signal-to-noise ratio 96dB.
  • Compact design, operating voltage 9V-16V, power cable 7AWG.
  • More technical details
Normal price €269,00
Normal price €269,00 Selling price €269,00
5% discount with prepayment
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Mar 22, - Mar 25,
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Normal price €269,00
Normal price €269,00 Selling price €269,00

XP 400.4 by Soundigital

The XP 400.4 is a 4-channel amplifier from Soundigital that significantly enhances your audio experience. It offers exceptional audio performance and combines advanced technology with superior components. With a power output of 4 x 66 WRMS at 4Ω and 4 x 100 WRMS at 2Ω, reliability and sonic fidelity are a top priority. The amplifier features a compact design that allows flexible integration into many applications. Its frequency response ranges from 5Hz to 36kHz, which, together with a signal-to-noise ratio of 96dB, delivers impressive sound quality. Whether you're an audiophile or just listen occasionally, the XP 400.4 provides an excellent balance of modern technology and high quality.

As the pinnacle of performance and innovation, we proudly present the XP line - an impressive evolution in your audio experience. Developed with state-of-the-art technology and enhanced by artificial intelligence, the XP amplifiers embody the core DNA of SounDigital: innovation, excellence and precision.

The XP line delivers exceptional audio performance and combines advanced engineering with superior components to ensure reliability and remarkable sonic accuracy. Its compact and versatile design enables seamless integration into a variety of applications, meeting diverse needs with efficiency and purpose.

Whether you are an audiophile or only listen occasionally, the XP amplifiers elevate your listening experience and offer the perfect balance between cutting-edge technology and extraordinary quality. With the XP line you can hear the sound as it was meant to be heard.

 

Technical specifications

  • Power @ 4Ω: 4 X 66 WRMS
  • Power @ 2Ω: 4 X 100 WRMS
  • Power @ 1Ω: N/A
  • Bridged power @ 8Ω: 2 X 132 WRMS
  • Bridged power @ 4Ω: 2 X 200 WRMS
  • Bridged power @ 2Ω: N/A
  • Operating voltage: 9V - 16V
  • Current draw (Music): 17 A
  • Current draw (Max): 34 A
  • Recommended fuse (Music): 20 A
  • Frequency response (-3dB): 5Hz - 36kHz
  • SNR: 96dB
  • Crossover HPF: 45Hz - 850Hz
  • Crossover LPF: 45Hz - 850Hz
  • THD + N (10% rated power): 0,1%
  • Recommended battery: 40aH
  • Power cable: 7AWG
  • Speaker cable: 15AWG
  • Product dimensions: 4.69 x 4.44 x 2.0 in
  • Product dimensions: 11,9 x 11,3 x 5,0 cm

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Frequently Asked Questions about XP 400.4


What power does the XP 400.4 Amplifier provide at different resistances?

The XP 400.4 Amplifier delivers 4 x 66 WRMS at 4Ω, and at 2Ω the power increases to 4 x 100 WRMS. This means it is capable of driving a wide variety of speaker systems and delivering high-quality sound. When you operate the amplifier in bridge mode at 8Ω, the power reaches 2 x 132 WRMS, and in 4Ω bridge mode, it is 2 x 200 WRMS. This allows the XP 400.4 to be flexibly adapted to various audio applications, ensuring excellent sound fidelity and performance in a range of configurations.

How does the frequency response affect the sound of the XP 400.4?

The frequency response of the XP 400.4 Amplifier ranges from 5Hz to 36kHz. A wide frequency spectrum allows for precise reproduction of deep bass as well as high frequencies. Especially if you enjoy listening to music loudly or appreciate demanding tracks, this frequency range ensures detailed and harmonious audio playback. The Subwoofer is convincingly supplied with bass, while high tones remain clear and uncolored. This bandwidth ensures that all facets of the music are captured and reproduced, leading to a brilliant and balanced listening experience.

What voltage does the XP 400.4 Amplifier require?

The XP 400.4 Amplifier operates within a voltage range of 9V to 16V. This voltage flexibility allows you to integrate the device into various vehicles or applications that have different electrical requirements. It is important to note that the current draw during music playback is 17 A and can reach up to 34 A at maximum. A robust power system and the use of a recommended Fuse of 20 A are essential to ensure consistent performance and protect the amplifier from electrical fluctuations.

What size is the XP 400.4 and how does it fit in my vehicle?

The XP 400.4 Amplifier has compact dimensions of 4.69 x 4.44 x 2.0 inches or 11.9 x 11.3 x 5.0 cm. This compact design allows for flexible placement in various vehicles and applications. During installation, ensure adequate ventilation to avoid overheating. Additionally, check that there is enough space for the wiring. Despite its small size, the amplifier offers high power and quality, making it ideal for hidden installations without compromising audio performance.

What cables should I use for wiring the XP 400.4 Amplifier?

For the safe connection of the XP 400.4 Amplifier, it is recommended to use a 7AWG power cable and a 15AWG speaker cable. These cable gauges are designed to optimally meet the device's power requirements and minimize interference in sound transmission. Especially at high volumes, clean wiring is crucial to avoid power losses and signal distortions. Ensure stable and secure connections to maximize the sound quality and reliability of the audio system. The connections should ideally be well insulated to prevent electrical interference.

Does the XP 400.4 have built-in crossover settings?

Yes, the XP 400.4 has built-in crossover functions. The high-pass filter (HPF) and low-pass filter (LPF) are both adjustable from 45Hz to 850Hz. These crossover options give you control to forward or exclude certain frequencies to your speakers, allowing you to tailor the sound to your specific preferences or requirements. This is particularly useful for avoiding overlaps in frequency ranges and improving speaker efficiency. By fine-tuning the crossover settings, you can achieve a precisely tuned sound profile.

How does the signal-to-noise ratio affect the audio quality of the XP 400.4?

The XP 400.4 Amplifier has a signal-to-noise ratio of 96dB. A high SNR means that the amplifier is capable of reproducing sound cleanly and without disturbing background noise. Especially in quiet passages, it ensures that even the finest details are preserved and no unwanted noises interfere with the audio playback. A high SNR is essential for a high-quality listening experience, particularly in quiet environments or with demanding music. This helps ensure that your music always sounds clear, dynamic, and uncolored.

How does the THD+N value affect the performance of the XP 400.4?

The Total Harmonic Distortion plus Noise (THD+N) of the XP 400.4 is 0.1% at 10% rated power. This low THD+N value demonstrates the amplifier's ability to transmit the original audio signal cleanly and without distortion to the speakers. If you value sound fidelity, a low THD+N ensures that playback remains accurate and true to detail. Distortions can become noticeable, especially at higher listening volumes, which is why a low THD+N is crucial for excellent sound quality even under demanding conditions.

What type of battery should I use for the XP 400.4?

It is recommended to use a battery with at least 40 Ah for the XP 400.4 Amplifier. A battery of this capacity ensures that the amplifier is always adequately powered, which is particularly important if you regularly listen to music at high volumes. A stable power supply minimizes the risk of voltage fluctuations that could affect performance and sound quality. In frequently used sound systems, choosing the right battery is crucial to operate the amplifier powerfully and efficiently.

How do I choose the right fuse for the XP 400.4?

For the XP 400.4 Amplifier, a 20 A fuse is recommended to ensure proper function and safety. This fuse is designed to protect the amplifier against overcurrent and prevent potential damage to the electronics. In daily use, especially at high volumes or extensive usage, it is important that the fuse meets the current demand. Using the correct fuse helps extend the lifespan of the amplifier and prevents unwanted failures while simultaneously increasing operational safety.

Manufacturer information / responsible person

JR-Labs
Rainer Jakob
Heinrich-Hertz-Straße 13 A
46325 Borken
Germany

Contact: jakobrainer@jr-labs.eu

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