AKG D 330BT Hypercardioid Dynamic Microphone. User Manual: Manual. Open the PDF directly: View PDF PDF . Navigation menu. Upload a User Manual Documents, presets, manuals AKG D 330 BT - Audiofanzine. AKG D 330 BT Parts list PDF file download free. AKG D 330 BT Parts list will help to repair the device and fix errors. Manual type: Parts list. Pages: 2 AKG D 330 BT (Audio) service manuals in PDF format will help to find failures and errors and repair AKG D 330 BT and restore the device's functionality. The D330BT has 2 small switches for a low-cut (0, -15dB or -25dB @ 100Hz) and a presence boost (0, +2dB, +4dB @ 4kHz) and in the first take I had set both