Rainbow Plug&Play DSP vs SL-PA400 NEO Usage & Stats
Rainbow DSP Enables the operation and configuration of the Rainbow Audio Device via Bluetooth LE.
- Apple App Store
- Free
- Utilities
Store Rank
- -
SL-PA400 NEO is a mobile tuning app that allows you to tune up sound effects that meet various needs
- Apple App Store
- Free
- Utilities
Store Rank
- -
Rainbow Plug&Play DSP VS. 
SL-PA400 NEOJanuary 14, 2026