Setting the Unit

Bass Boost Frequency Control

You can select a bass boost frequency from 40 to 120 Hz with the bass boost control.

Gain Control

If the sound level is too low, even when the volume of the car stereo used along with this power amplifier is turned up, turn gain control on the front of the power amplifier clockwise. If the sound distorts when the volume is turned up, turn the gain control counter-clockwise.

When using with an RCA equipped car stereo (standard output of 500 mV), set to the NORMAL position. When using with an RCA equipped Pioneer car stereo with max. output of 4 V or more, adjust level to match the car stereo output level.

For synced amplifier’s gain control, see the “Setting the Gain for Synced Amplifier” section.

MODE SELECT Switch

You can select amplifier’s sync mode from MASTER, SYNC and SYNC INV. For the position of the MODE SELECT switch, see the “Connecting the Speaker Wires” section.

Bass Boost Level Control

Bass boost level control can boost the level around the frequency selected by the bass boost frequency control from 0 to 12 dB.

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Pioneer PRS-D3000SPL owner manual Setting the Unit, Bass Boost Frequency Control, Gain Control, Mode Select Switch