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  3. SounDigital Car Amplifier
  5. 400.4 EVOX2

Soundigital 400.4 EVOX2 4-Channel Amplifier

100 Watt

Soundigital 400.4 EVOX2 4-Channel Amplifier

Technical Highlights

  • Power @ 2Ω: 4 x 100 Watts RMS, Power @ 4Ω: 4 x 66 Watts RMS.
  • Frequency response: 5Hz ~ 22kHz, SNR: 96dB, Overall efficiency: 83%.
  • Dynamic heat recovery, vibration damping, RTGP system.
  • More technical details
€269,00
€269,00 €269,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
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Mar 22, - Mar 25,
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400.4 EVOX2 by Soundigital

Discover the 400.4 EVOX2, an impressive addition to Sounddigital's powerful EVOX series. These 4-channel amplifiers are equipped with groundbreaking technologies and enhanced by the latest state-of-the-art advancements. Thanks to its high-quality components, it is designed for high amplifier performance in a compact design. The EVOX2 series includes features such as the RTGP system for thermal coupling, dynamic heat dissipation and recovery, vibration protection, and much more. Experience unparalleled amplification performance and lasting durability with the Soundigital 400.4 EVOX2.

The thermal coupling through the RTGP system

  • The exclusive RTGP system (Thermal Recovery for Power Generation) guarantees SounDigital products both a higher thermal efficiency and greater robustness with higher power stability.

Dynamic heat dissipation

  • A system that ensures faster heat exchange with the environment, thereby increasing the efficiency of the amplifier, which leads to lower distortions during long operating times.

Dynamic Heat Recovery - DTR

  • DTR is a dynamic heat recovery system that consistently maintains a high efficiency of the amplifier by accelerating the heat exchange of the electronic components with the heat sink.

vibration damping device

  • SounDigital added a new device to the EVOX products that acts like springs and reduces the effects of vibrations on the electronic circuit board, thereby increasing the lifespan and reliability of the amplifiers.

Technical Specifications

  • 4-channel amplifier
  • 400.4 EVOX2 – 4Ω
    • Power @ 2Ω: 4 X 100 Watts RMS
    • Power @ 4Ω: 4 X 66 Watts RMS
    • Power @ 8Ω: 4 X 44 Watts RMS
    • Bridged power @ 4Ω: 2 X 200 Watts RMS
    • Bridged power @ 8Ω: 2 X 132 Watts RMS
  • Frequency response (-3dB): 5Hz ~ 22kHz
  • Low-pass filter (12dB/oct.): 45Hz ~ 850Hz
  • High-pass filter (12dB/oct.): 45Hz ~ 850Hz
  • Operating voltage: 8V ~ 16V
  • SNR: 96dB
  • Input Sensitivity: RCA: 0.18 ~ 2.09V, High Level: 1.2 ~ 15.13V
  • Current consumption (Music): 19A
  • Current consumption (Max.): 35A
  • Overall efficiency: 83%
  • Damping factor: 200
  • Power cable: 8mm²
  • Audio output cable: 2 x 1.5 mm²
  • Recommended fuse (music): 20A
  • Recommended Battery (Minimum): 20Ah
  • Weight: 0.58 Kg
  • Product dimensions 12.3 x 11.3 x 5.0 cm

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Soundigital 400.4 EVOX2 Datasheet

Open datasheet

Frequently Asked Questions about 400.4 EVOX2

What power does the 400.4 EVOX2 provide at 2 Ohms?

The 400.4 EVOX2 from Soundigital delivers an impressive power of 4 x 100 Watts RMS at an impedance of 2 Ohms. This enables powerful sound reproduction, ideal for demanding audio systems. With its high efficiency, the speakers are operated efficiently, maintaining sound quality even at high volumes. Especially if you enjoy listening to music loudly or prefer high volume levels, this power guarantees outstanding sound quality without distortion. Additionally, the RTGP system ensures efficient thermal management and increases power stability even during longer listening sessions.

How does the dynamic thermal recovery of the 400.4 EVOX2 work?

The dynamic thermal recovery (DTR) of the 400.4 EVOX2 accelerates heat exchange between the electronic components and the heat sink. This is achieved through innovative technology that optimizes heat dissipation to the environment while simultaneously increasing overall efficiency. As a result, not only is the lifespan of the amplifier extended, but its efficiency is also improved, allowing for longer operating times with consistent performance. This is particularly advantageous during intense audio playback, as it reduces distortion and keeps sound quality stable.

What frequency ranges does the 400.4 EVOX2 cover?

The frequency response of the Soundigital 400.4 EVOX2 ranges from 5 Hz to 22 kHz (-3dB). The low-pass filter has a range of 45 Hz to 850 Hz at 12 dB/octave, while the high-pass filter also operates from 45 Hz to 850 Hz at the same slope. This extensive frequency coverage allows for precise sound tuning, enabling both deep bass and high frequencies to be reproduced clearly and in detail. If you value a balanced sound image, this adjustment option allows you to tailor the sound output specifically to your preferences.

How dimensionally and energy-efficient is the 400.4 EVOX2?

With its compact design, the 400.4 EVOX2 offers efficient energy management and impressive sound quality. Its dimensions of 12.3 x 11.3 x 5.0 cm make integration flexible and ideal for limited spaces. The efficiency is at 83%, demonstrating how effectively it converts energy into sound. The power consumption peaks at 19A for music and a maximum of 35A. These technical features enable stable performance with minimal energy loss, which not only maintains high sound quality but also reduces operating costs and ensures the longevity of the components.

What input sensitivity does the 400.4 EVOX2 offer?

The 400.4 EVOX2 provides two adjustable input sensitivity ranges. For the RCA input, it ranges from 0.18 V to 2.09 V, while the high-level input allows a sensitivity of 1.2 V to 15.13 V. These flexible settings ensure that the amplifier can efficiently integrate a wide variety of source devices without loss of adjustment. Even with audio sources that have lower output levels, the sound performance is optimally realized. This versatility is crucial in a setup with varying input signals to achieve consistently clear and powerful sound without interference.

How can the 400.4 EVOX2 be integrated into a car?

The compact amplifier Soundigital 400.4 EVOX2, with dimensions of 12.3 x 11.3 x 5.0 cm, is ideal for installation in tight spaces. Placement may vary depending on the vehicle model, but typically installation under the seat, in the trunk, or behind the dashboard is possible. Good ventilation is important to ensure thermal efficiency. Power is supplied via a power cable of 8mm², and for audio outputs, 2 x 1.5 mm² audio cables are recommended. A minimum battery value of 20Ah supports reliable power supply.

What vibration damping does the 400.4 EVOX2 offer?

The vibration damping of the 400.4 EVOX2 is crucial for performance in demanding environments. The special device integrated into the amplifier acts like springs, reducing the impact of vibrations on the electronic circuit board. This increases lifespan and reliability by counteracting the structural stresses that can arise from driving movements or external vibrations. For car audio applications, this protective mechanism is particularly valuable as it safeguards the electronics during operation and maintains sound quality consistently over longer periods.

How robust is the 400.4 EVOX2 during long operating times?

The 400.4 EVOX2 from Soundigital has been optimized for exceptional stability during long operating times. The exclusive RTGP system (Thermal Recovery for Power Generation) plays a key role by providing excellent thermal efficiency that prevents overheating and extends the lifespan of the components. The dynamic heat dissipation allows for accelerated heat exchange, which increases the efficiency of the amplifier and leads to lower distortion during prolonged use. Thus, the amplifier is ideal for demanding applications where continuous operation is expected.

What is the SNR of the 400.4 EVOX2 and why is it important?

The signal-to-noise ratio (SNR) of the 400.4 EVOX2 is 96 dB. This high value indicates how well the amplifier can separate the audio signal from the noise. A higher SNR means that the ratio between the useful signal and background noise is improved, which is particularly important for clear and uncolored sound reproduction. In high-quality audio equipment, a high SNR is crucial for reproducing the fine details in music and delivering audio quality that is free from distracting noise even in quiet passages.

What advantages does the high damping factor of the 400.4 EVOX2 offer?

The damping factor of the 400.4 EVOX2 is 200, allowing for tight control over the speaker membranes. A high damping factor improves the transient response of the speakers, minimizes unwanted resonances, and ensures precise bass reproduction. This feature is particularly beneficial in musical pieces with low frequencies, as it enhances dynamics and detail fidelity. With a high damping factor, not only is acoustic precision maximized, but the amplifier's power reserves are also optimally utilized, leading to an overall superior sound quality.

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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