By connecting a subwoofer to the SUBWOOFER OUT plugs on the rear, you can enjoy enhanced bass sounds and a more realistic theater atmosphere in your car.
• Refer also to the instructions supplied with your subwoofer.
To set the subwoofer cutoff frequency, follow the procedure below.
When a subwoofer is connected to this unit, select an appropriate cutoff frequency level for your subwoofer. When shipped from the factory, the subwoofer cutoff frequency is set to “MID.”
• | FREQ LOW: | Frequencies higher than 50 Hz are cut off to the subwoofer. |
• | FREQ MID: | Frequencies higher than 80 Hz are cut off to the subwoofer. |
• | FREQ HIGH: | Frequencies higher than 120 Hz are cut off to the subwoofer. |
1Press and hold SEL (Select) for more than 2 seconds so that one of the PSM items appears on the display.
2Press 
¢or 4 
repeatedly until “WOOFER FREQ” appears on the display.
3Press + or – to select the desired cutoff frequency.
4Press SEL again to finish the setting.
To adjust the subwoofer output volume, see “Adjusting the sound” on page 25.
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