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Setup

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Inputs and Outputs

Analog input for connecting an L1 Pro or other line-level audio source. Compatible with XLR, TRS balanced,

and TS unbalanced cables. Use Line Input 1 (Left) and Line Input 2 (Right) together for stereo applications.

Use an XLR cable to connect the line-level output to a loudspeaker. Use Line Output 1 (Left) and Line

Output 2 (Right) together for stereo applications.

PHASE/PATTERN

Adjust the polarity of the Sub. Press the button to switch between positive

polarity (+) and inverted polarity (–). The corresponding LED will illuminate

white while selected. Choose the polarity that sounds best for your

CARDIOID

application.

Cardioid Mode

Cardioid mode is for use with a stack of two identical Sub modules, which

allows for most of the sound energy to be focused in front of the Sub stack

while reducing the sound energy that is generated behind the Sub stack. Press and hold the button for four

seconds to select CARDIOID. The LED will illuminate white while selected. Press and hold again to switch

back to +. Cardioid mode should only be used in a stacked configuration of two identical Sub modules, with

the top Sub facing the coverage area and the bottom Sub facing the non-coverage area. Set the Phase/

Pattern of the top Sub to + and the Phase/Pattern of the bottom Sub to CARDIOID. When adjusting the level

of the stacked subs in Cardioid mode, be sure that the Level Control is set to the same position on both Subs.

See the below diagrams for Sub stack orientation and coverage patterns.

Coverage Patterns (Top View)

Cardioid Stack Configuration

Cardioid Mode Off

Cardioid Mode On

PHASE/PATTERN

Facing

coverage area

CARDIOID

Top Sub

Facing non-

coverage area

Bottom

Sub

PHASE/PATTERN

CARDIOID

Owner's Guide • Sub1/Sub2 Powered Bass Module

English • 9