【A12 In-Car Pure Digital Player｜System Upgrade Using OEM Audio】

This in-car pure digital player is designed for those who want to add a music playback environment that fits how they use it today—such as via USB memory, Bluetooth, Wi-Fi, and more—while keeping the OEM head unit.

A12 features one COAXIAL output and one OPTICAL output each. By combining it with a DSP that supports digital input, you can develop it into a system that lets you fine-tune the sound inside the vehicle. It’s a convenient setup when you want to keep the ease of use of OEM audio while expanding the range of music playback and improving system expandability.

In addition to 4ch high-level inputs compatible with the OEM head unit, it also includes 2ch AUX inputs that allow you to connect aftermarket players and similar devices. Whether you want to base your setup on the OEM system or you’re already using aftermarket equipment, you can consider the connection method according to your vehicle specifications.

However, even when using the same A12, the final result will vary depending on which DSP or amplifier you pair it with, how you extract the signal, and how you proceed with installation and adjustments. If I were doing it, I would first check your current audio configuration and the music you normally listen to, and then combine only the necessary equipment. Let’s decide together—whether you want to retain the OEM usability or widen the range of sound-quality adjustments.

Main Specifications / Specs

【Basic Information】

• Product name: A12
• Type: In-car pure digital player

【Supported / Connections】

• USB: USB 2.0 port
• Bluetooth: Bluetooth 5.0
• Wi-Fi: Supported
• High-level input: 4ch
• AUX input: 2ch
• COAXIAL output: 1 channel
• OPTICAL output: 1 channel

【System Configuration】

• Connection with a DSP supporting digital input: Supported
• Connection with the OEM head unit: Use 4ch high-level input
• Connection with an aftermarket player: Use 2ch AUX input

※ Depending on the vehicle and your current audio setup, the required connection methods and additional equipment will differ. We’ll guide you to a realistic, no-stress configuration while confirming your actual vehicle and system details.

Store Owner: Komizo