Sold helix Dsp mk ii wit hec hd sound card, Auto Accessories on Carousell
HELIX DSP PRO MK2 | Audiotec Fischer
Helix (USB input Module for DSP Pro/ Mk2, Car Accessories on Carousell
MATCH MEC HD-Audio USB Interface USB input module for MATCH UP 7BMW amp/processor: provides high-resolution USB digital input (Model USB-UP7BMW) at Crutchfield