Paulkitson Ap880 Dsp Digital Audio Processor Professional Karaoke Speaker Effects Processor Wifi Usb Bluetooth Audio System - Stage Audio - AliExpress
Amazon.com: Dayton Audio DSP-BT4.0 Bluetooth Data and Streaming USB Interface for DSP-408 : Electronics
Apogee Boom | 2 In x 2 Out USB-C Entry-Level Audio Interface with DSP | Reverb
China-made Entry-level 3 axis CNC Controller with USB, DSP Controller
Leicozic K5210 Dsp Professional Digital Signal Processor Touchable Screen With Software Control/ Wifi / Usb Effect Processador - Stage Audio - AliExpress
The miniDSP 2x4HD kit, a USB DAC + DSP in a low cost package
USB Sound Card Audio Recording Interface External DSP Effect 48V for PC Phones | eBay