6. DM15 R2R button and display instructions

【Main Display interface】

【Rear Panel USB Input Port Descriptions】

USB IN/REC: For UAC decoding input, USB drive ripping, and computer recording.

POWER IN (Charging Port): A 5V 2A adapter is recommended. Supports fast charging up to 9V, including QC3.0 and PD fast charging protocols.

How to Use the BASS Function on the DM15 R2R?

The DM15 R2R supports 2 levels of bass gain, with options for OFF, BASS 1, or BASS 2. Combined with the 8‑band parametric equalizer (PEQ), it allows for up to 24 distinct sound effect variations.

D.MODE Switch

When desktop mode is enabled, higher power output is supported. In this mode, an external power supply must be connected to the 【POWER IN】 port. If no external power source is connected to 【POWER IN】, the DM15 will shut down and will not charge its internal battery.