Design Features - Rockford Fosgate PBR300X4 Installation & Operation Manual

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ESIGN EATURES
1. BRT(Boosted Rail Technology) LED – This LED illuminates when the unit is in boost mode.
2. Power/Protect LED – This LED illuminates Blue when the unit is turned on and Red if a short
circuit/low impedance is detected at the speaker connections or the amplifier's internal components
become too hot engaging the protection. The amplifier will shut down to cool if this occurs.
3. Extruded Aluminum Heatsink – The extruded aluminum heatsink of the Punch amplifier dissipates
heat generated by the amplifier's circuitry.
4. Speaker Harness Connection (Output) – The Molex connection port for the mating + and -
speaker harness.
5. Crossover Switch – Selectable switch for 80Hz High-Pass (HP),All Pass (AP), or Low-Pass (LP)
operation.
6. Gain Control – The input gain control is preset to match the output of most source units. It can be
adjusted to match output levels from a variety of source units.
7. 2/4 Channel Switch – Setting this switch to the 2CH. position, switches the inputs to a 2-channel
mode, allowing connection to only the front inputs with a 4-channel output.
8. RCA/Speaker Harness Connection (Input) – The Molex connection port for the mating
RCA/Speaker harness.
9. Variable High Level Adjustment – With the variable 4V to 6V DC(Direct Current) offset
voltage input turn on can be set.
10. Power Terminals – The Molex connection port for the mating Remote/Ground/Power plug.
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