Pyramid Super Blue PB559X Owner's Manual page 5

high level inputs if your car stereo does not have RCA output
jacks, you can connect the speaker output
from the stereo system to the amplifier.
power LED this indicator is illuminated when power
is applied.
low level inputs this amp features gold-plated RCA input
jacks for high impedance input. Use these
with car stereo output which uses RCA-type
connector cables.
input gain control use this control to match the outputs of
your head unit to the amplifier. Starting
with your head unit volume control set at
about the 2 o'clock position, increase the
amp gain control until distortion begins to
occur, and reduce slightly from this point.
treble control use the control to adjust the treble output level
to suit your taste or audio program material.
bass control use the control to adjust the bass output level
to suit your taste or audio program material.
bridged mode switch the amplifier can be bridged to form a
high-power one channel unit. Make sure
that the speaker system on the bridged
channel is capable of handling the rated
power and is of the proper impedance.
speaker connections these terminals are 14K gold plated to
guarantee high conductivity and minimum
signal loss.
power terminals use these connectors to deliver power, ground,
and remote turn-on control to the amplifier.
protection indicator if the amplifier is incorrectly wired or not
matched to the speaker system, the protection
indicator will come on and the amplifier will
turn off. Disconnect the power wire to reset the
amplifier.
power fuse the fuse protects the amplifier and your car's
electrical system from short circuit conditions.
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