10
Quick Start Guide
System #2: Adding a Subwoofer to an Aftermarket Head Unit
using Line-Level Inputs
lf two subwoofers are connected like this, they are in parallel, and the
impedance of each subwoofer must be 4 Ohms or greater.
Aftermarket
Head Unit
Line-level
L/R outputs
+
+
L
R
+
Subwoofer
Optional
Subwoofer
in parallel