Thanks for pointing this out. We've updated the note in the drop description. Here are options:
The base price is for the Phoenix Audio Tilt TC/500 tilt EQ module. At checkout, you can upgrade to the DRS-1R-500 mic preamp module (+ $85), the DRS-EQ-500 EQ module (+ $145), or the N90-DRC-500 compressor module (+ $170).