WONDOM AA-AB41147 Volume Control Module NJM1109

The Wondom AA‑AB41147 is a stereo volume control board with digital management, designed to precisely adjust analogue audio signal level while maintaining its integrity. It leverages proven adjustment module combined with separation of analogue and digital power supplies, enabling limitation of parasitic interference and signal clarity preservation throughout processing. This architecture extends to optimized thermal dissipation, avoiding external heatsink addition while ensuring stable operation over time.

Conceived for custom integration, it combines direct connectivity: two stereo RCA inputs and one 3.5mm jack input, replicated at output, with multiple wiring modes facilitating insertion into existing project. This approach extends to two-card design, separating audio section from control interfaces, thereby enabling potentiometer relocation to front panel while simplifying internal arrangement. The assembly finally integrates overheat, overcurrent and polarity reversal protections, ensuring reliable use in prototyping or custom integration environments.