NVX XLCA2X 2-Channel Line Out Converter Digital Bass Enhancer with xBOOST

SoundQubed Q-LOC5 Active Line Out Converter 2-5 Channel w/LED Clipping Lights

SoundQubed Q-LOC5 Active Line Out Converter 2-5 Channel

High-Power 2-Channel Line Out Converter - xBOOST Technology & Remote Control

X-Series Bass Enhancer - 2-Channel Line Out Converter

2-Channel Line Out Converter with Enhanced Bass & Remote Level Control

X-Series 2-Channel Line Out Converter - xBOOST Bass Enhancer with Remote Control

X-Series 2-Channel Line Out Converter with xBOOST Technology & Remote Control