Alfa Romeo 4C Alpine Radio 2018 Manual page 55

54 SOUND SETTING
2WAY Mode
Cut-off frequency (1/3 octave steps)
Low range
speaker
Rear high range 20 Hz - 200 Hz
speaker
Front high 20 Hz - 200 Hz
range speaker
HPF LPF
— 20 Hz - 200 Hz
—
—
Slope
HPF
— Flat, 6, 12, 18,
24 dB/oct.
Flat, 6, 12, 18,
24 dB/oct.
Flat, 6, 12, 18,
24 dB/oct.
Level
LPF
0 to −12 dB
— 0 to −12 dB
— 0 to −12 dB