150W Powered Subwoofer (9723) Overview - Monoprice 9723 User Manual

150W POWERED SUBWOOFER (9723) OVERVIEW

1. Power Switch – This 2-position switch
controls the power status of the subwoofer.
OFF: Turns the unit off. ON: Turns the unit on
regardless of whether a signal is present or
not.
2. Subwoofer Crossover – This rotary control
adjusts a variable low pass filter to set the
upper frequency at which the output of the
subwoofer begins to roll off. Continuously
variable from 50 Hz, it matches the upper-
frequency characteristics of the subwoofer to
the low-frequency response of the main
stereo speakers.
3. Line Level Input – These RCA phono jacks
accept a line-level, full-range signal from the
pre-amplifier output of a receiver or pre-
amplifier. This full-range signal is processed
and amplified to power the subwoofer.
4. Speaker Level Input – These spring-loaded terminals accept a stereo, speaker-level, full-range signal
from a receiver or power amplifier. This signal is processed and amplified to power the subwoofer.
5. Fuse – For continued protection, always replace the fuse with the same type and size listed.
6. Level Control – This rotary control adjusts the volume level of the subwoofer and is used to balance
its volume with that of the main stereo speakers.
7. Status LED – This light-emitting diode shows the status of the subwoofer electronics. "Red" indicates
that the amplifier is plugged in and the power switch is on.
8. Auto ON Switch – In order to function, the Power switch must be turned on, as indicated by the red
color of the LED. With the Auto ON Switch in the
ready to play programmed material. If the Auto ON Switch is in the
signal is received, the subwoofer will go into
is detected, the subwoofer will switch itself into the fully ON mode and begin playing the
programmed material. After about 2 minutes during which no signal is detected, the subwoofer will
Standby Mode
return to
NOTE: If you plan to be away for an extended time or if the subwoofer will not be used, you may want
to turn off the Power Switch.
.
ON
position, the subwoofer is on at all times and
Standby Mode
to conserve power. When an audio signal
4
Auto ON
position and no audio