Pyramid Technologies PB444X, PB446X, PB449X, PB448X owner manual

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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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Contents Owner’s Manual Introduction Table of contentsPB444X PB446X PB448X PB449X SpecificationsFeatures and controls Page Ch amp PB446X PB449X Page Ch amp PB448X Page Installation Precautions Mounting and installationElectrical connections PB448X Mono input connections Stereo input connectionsUsing low level inputs Using high level inputs Channel input connections Hi level input connections CH mono input connections Hi level mono input connections Speaker connections Mode switch in Stereo position Channel stereo output mode Amplifier will not power up TroubleshootingFor Your Protection