Tuning on the Amplifier
Adjusting The Audio Level
The a mplifier a utoma tic a lly turns on a few sec onds a fter you turn your vehic le's ignition
switc h to AC C or ON or turn on your a uto sound system, depending on how you wired
the system. The POWER indic a tor on the top of the a mplifier lights when the a mplifier is on.
Important : Your amplifier requires 30 amps or more of power from your vehicle's
battery during operation. To protect your battery from discharging,
do not operate the amplifier unless your vehicle is running.
FREQUENCY (Hz)
10
-30dB
-20dB
-10dB
0dB
+10dB
+20dB
FREQUENCY RESPONSE
RESPONSE (dB)
BASS BOOST ON
45
35
80
100
500
1K
5K
20K
50K
NOTE: Ra ising the Ba ss frequenc y a llows higher frequenc ies to rea c h the ba ss spea kers
while bloc king lower frequenc ies from midra nge spea kers. Lowering the Ba ss
frequenc ies a llows lower frequenc ies to rea c h the midra nge spea kers while
bloc king higher frequenc ies from ba ss spea kers.
For the be st performa nc e, you must set G AIN (MIN / MAX) on the side of the
a mplifier to a djust the level of the a udio signa ls tha t enter the a mplifie r.
1. Use a screwdriver to turn GAIN (MIN / MAX) fully counterclockwise to MIN.
2. Turn the auto sound system's volume control to about one-third of its full range.
3. Adjust GAIN (MIN / MAX) to a comfortable listening level.
4. Turn up the auto sound system's volume control until the sound begins to distort.
Then immediately turn the volume down to a point just before where the
distortion began.
Caution : Never turn up the auto sound system's volume control more than needed
to adjust the audio level, more than two thirds of its maximum volume.
5. Adjust GAIN (MIN / MAX) until the sound is at the maximum level you want the
amplifier to produce.
6. Adjust the auto sound system's volume control to a comfortable listening level.
13
ADJUSTING & TUNING
