Monoprice MSUB-122BL User Manual

Two-position switch controlling the power status of the subwoofer.

Rotary control adjusting the low pass filter for frequency blend.

RCA jacks accepting a full range signal from receiver/pre-amplifier.

Spring terminals accepting a speaker-level signal from amplifier.

For protection, always replace with the same type and size.

Rotary control for adjusting the subwoofer's volume level.

Light indicates subwoofer electronics status (red for power).

Manages auto power on/standby based on audio signal detection.

Set crossover to 50 Hz if using line level inputs with full range main speakers.

Set the gain control to the fully counterclockwise 'minimum' position.

Turn off loudness control and set amplifier bass tone to flat position.

Play material with substantial bass content at a moderate volume.

Slowly rotate subwoofer level control until balance with main speakers is achieved.

Turn off power before making connections using speaker level inputs.

Connect using RCA "Y" adaptor for 5.1 channel line level outputs.