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AP4-FD21
heard.
aftermarket speakers.
This allows you to enable / disable the 3 band factory EQ.
factory EQ, as well as the Q Factor for each frequency. The Q Factor determines how many of the adjacent frequencies will be
affected when adjusting the selected frequency. The lower the Q Factor, the more frequencies will be affected.
Bass Frequency
Bass Q Factor
Firmware Updates
P
ifi A
C
ti
This allows you to set the minimum volume level of the factory radio (factory radio volume level 1).
This allows you to set the center frequency that will be adjusted when setting the 3 band
Available Frequencies and Q Factors
60HZ
80HZ
Mid Frequency
100HZ
120HZ
0.50
1.00
Mid Q Factor
1.50
2.00
®
PAC
| Ph. 866-931-8021 | support@pac-audio.com
500HZ
1KHZ
Treble Frequency
1.5KHZ
2.5KHZ
0.75
1.00
Treble Q Factor
1.25
1.50
www.pac-audio.com
7.5KHZ
10KHZ
12.5KHZ
15KHZ
0.75
1.25
Page 4
Rev. 020717
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