Polk Audio PA660.4 PA880 Owner's Manual - Page 4

6

© 2010 Polk Audio—all rights reserved

© 2010 Polk Audio—all rights reserved

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PA330 Output Plate

2

3

1

4

5

1. Speaker Connections—

accepts up to 12 AWG speaker wire.

2. 1 ATC Fuse—

protects the amplifier from over current situations.

3. Power Connections—

accepts up to 4 AWG power cables.

4. REM Remote Turn-on Input—

turns on the amplifier when fed 12 V+.

5. Ground Connection—

accepts up to 4 AWG ground cable.

PA660 Input Plate

2

3

4

5

6

7

8

9 10

11

13

14

15

12

1

1. Power LED—

when lit indicates that the amplifier is on.

2. Line Level Front Inputs—

accepts line level input from the front channels of a source unit.

3. Front Gain Control—

continuously adjusts from 250mV to 5V for full front channel output power.

4. Front FULL, HPF Switch—

selects either high-pass crossover or full range for front channels.

5. Front Variable Bass Control—

adjusts bass gain on front channels from 0dB to +8dB.

6. Speaker Level Input—

connect speaker output from factory radio to amplifier; will auto-sense signal

from radio and turn amplifier on when needed; turn off after 1 minute without signal.

7. 2 Ch / 4 Ch Switch—

allows all amplifier channels to have input from either 2 channel input

8. Rear High-Pass Crossover Frequency Control—

adjusts the frequency of the rear channels high-pass crossover.

9. Rear Low-Pass Crossover Frequency Control—

adjusts the frequency of the rear channels low-pass crossover.

10. Rear LPF, FULL, HPF Switch—

selects either low-pass crossover, full range or high-pass crossover

for rear channels.

11. Rear Gain Control—

continuously adjusts from 250mV to 5V for full rear channel output power.

12. Line Level Rear Inputs—

accepts line level input from the rear channels of a source unit.

13. Status LED—

will indicate any fault condition in amplifier, also lights briefly during muting phase of turn-on.

14. Front High Pass Crossover Frequency Control—

adjusts the frequency of the front channels

high-pass crossover.

15. Rear Variable Bass Control—

adjusts bass gain on rear channels from 0dB to +8dB.

PA660 Output Plate

1

2

3

2

5

4

1. Speaker Connections—

accepts up to 12 AWG speaker wire.

2. 2 ATC Fuses—

protects the amplifier from over current situations.

3. Power Connections—

accepts up to 4 AWG power cables.

4. REM Remote Turn-on Input—

turns on/off the amplifier when fed 12 V+.

5. Ground Connection—

accepts up to 4 AWG ground cable.

PA880 Input Plate

1

11

10

9

8

7

6

5

4

3

2

1. Power LED—

when lit indicates that the amplifier is on.

2. Speaker Level Input—

connect speaker output from factory radio to amplifier, will auto sense

signal from radio and turn amplifier on when needed, turn off after 1 minute without signal.

3. Line Level Outputs—

provides a full range signal for easy connection to additional amplifiers.

4. Line Level Inputs—

accepts Line level input from a source unit, preamplifier, or equalizer.

5. Gain Control—

continuously adjusts from 150mV to 8V input to obtain full power output.

6. Phase Control Switch—

Allows for adjustment of phase and makes bridging amplifiers possible.

7. LPF, FULL, Switch—

Selects either low-pass crossover or full range crossover.

8. Bass Boost Switch—

9. Low-Pass Crossover

Frequency Control—

adjusts the frequency of the crossover.

10. Remote Bass Gain Jack—

11. Status LED—

Will indicate any fault condition in amplifier, also lights briefly during muting phase of turn-on.

Polk Audio PA660.4 PA880 Owner's Manual - Page 4

Front High Pass Crossover Frequency Control - channel

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