HELIX HEC HD Audio USB Input Module Provides high-resolution USB digital input for a HELIX DSP PRO MK2 processor at Crutchfield
Amazon.com: PreSonus Studio 1810c USB-C Audio Interface 18-in/8-out with 4 Xmax Preamps, ADAT I/O, S/PDIF I/O, MIDI I/O, DSP Monitor Mixer with Gravity Magnet Phone Holder and Pair EMB XLR Cables Bundle :
USB JTAG for DSP TMS320 - PGM-09049 - SparkFun Electronics
Apogee Electronics BOOM 2x2 Desktop USB Type-C Audio BOOM B&H
USB Audio Streaming: USBStreamer Kit
Apogee Boom 2x2 USB Type-C Audio interface with Built in Hardware DSP FX
Universal Audio Apollo Twin USB DUO Heritage Edition 10x6 USB Audio Interface with UAD DSP | Sweetwater
Active Crossovers: miniDSP 2x4 HD
Leicozic K5210 Dsp Professional Digital Signal Processor Touchable Screen With Software Control/ Wifi / Usb Effect Processador - Stage Audio - AliExpress
Dayton Audio DSP-BT4.0 Bluetooth Data and Streaming USB Interface for DSP -408
USB TYPE-C CONTROLLER W/ DSP SOUND CARD
China-made Entry-level 3 axis CNC Controller with USB, DSP Controller
MOTU UltraLite-mk5 18x22 USB Audio Interface with DSP - Vintage King
Amazon.com: Dayton Audio DSP-BT4.0 Bluetooth Data and Streaming USB Interface for DSP-408 : Electronics
Universal Audio UAD-2 Satellite USB OCTO Core Desktop USBSATO-C
Lewitt Audio Connect 6 DSP-Powered USB Audio Interface | zZounds
Universal Audio Apollo Solo | USB-C Audio Interface with UAD DSP | PC Version | Open Box | Pro Audio LA
Apogee Boom | 2 In x 2 Out USB-C Entry-Level Audio Interface with DSP | Reverb
UA Apollo Solo USB Interface w/ SOLO DSP (only Win)
Plantronics USB DSP V3 to Dual 3.5mm Female Jack adapter for analog PC Headset | eBay