Dehum Dehiss: Removing audio noise from GBA SP Updated Mar 15, 2026 · 11 min read · 0 viewing Log in or register to read the full article. Previous GBA-SP Board Scans 3200dpi highly accurate and straightened PCB scans of the Game Boy Advance SP PCB Images here are 60... Next Battery Charge Circuit (GBA SP) The battery charge circuit of the GBA SP is controlled by the dedicated battery charger IC on the ea...