Infiniti QX 50 audio refresh: PHASS three-way frequency and Aiwei DSP power amplifier reshape the in-car listening experience.

The ultimate pursuit of car audio modification lies in how to fully release the potential energy of each piece of equipment. Many enthusiasts tend to fall into brand worship and collocation metaphysics, mistakenly thinking that piling up famous products can gain the ideal voice. However, even for top-notch semi-finished equipment, nine times out of ten, its final expressive power depends on the profound foundation of installation and adjustment-this core link is often overlooked. Choosing a truly professional modification team means choosing reliable sound guarantee. With their rich technical experience, they not only have a clear understanding of the performance of the equipment, but also provide mature solutions that can stand verification, so that you can get twice the result with half the effort in one step to upgrade. Based on this concept, we have tailored the following system configurations for this car:

1 Sound source: Keep the original owner machine to ensure system integration
2 Front sound field: Japanese PHASS Feishi P 170-P 3 three-way set speaker
3 Super bass: American Rockford Fosgate eight-inch ultra-thin active subwoofer
4 core power amplifier: China Aiwei DSP 6-V 3 DSP power amplifier all-in-one machine
5 nerve veins: German BANEY professional audio cable

A group photo of all equipment used in the modification

Next, we will show you the essential difference between professional construction and ordinary installation through detailed modification details.

Door sound insulation construction is often misunderstood by laymen as “cutting corners”, which is actually a difference in the cognitive field. Doors with different structures have completely different treatment methods for shock suppression and sound insulation. Behind this is rich acoustic experience and the application of physical principles. Only by knowing the methods well can we implement precise policies.

We independently develop and manufacture special horn wooden gaskets for specific vehicle models to ensure stable installation without damaging the original vehicle structure.

 

The fitting and installation details of the horn gasket and the door panel structure strive to make every connection stable and tight.

 

 

 

 

The A-pillar has been carefully positioned and inverted, and the midrange and tweeter units are installed to create a precise and open sound field height and positioning.

 

American Rockford Fosgate eight-inch active ultra-thin subwoofer, with its fast and powerful low-frequency response, provides a clean and undelayed low-frequency cornerstone.

The ultra-thin subwoofer is cleverly hidden and installed on the side wall or bottom plate of the rear trunk to save space to the maximum extent.

 

The core power comes from China Aiwei DSP 6-V 3 DSP power amplifier. It adopts the classic Class AB amplifier circuit, and the output power of each channel is solid and abundant. Its sound characteristics are warm and mellow, full of analog charm, which is in sharp contrast with the slightly stiff and rough listening feeling of common Class D digital power amplifiers. Although Class AB circuits are expensive, the sound of nature it reproduces is exactly what music lovers are looking for.

Aiwei DSP power amplifier is securely installed under the driver’s seat, which is hidden and easy for heat dissipation and debugging.