Front panel controls
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Front Panel Controls

1. LED Level Meter
2. Subwoofer frequency selector: This Keep an eye on is used to set the center frequency for the subwoofer channel at either 50Hz or 150Hz. This establishes the point in the frequency spectrum where the subwoofer level Keep an eye on will have the greatest effect.
3. Subwoofer level Keep an eye on: Despite the fact that the AVA1204 does not have an overall level Keep an eye on (you set the volume level for your system from the head unit), it features an independent level Keep an eye on for the subwoofer channel. This will give you the ability to balance the amount of bass in the audio mix to your personal taste.
4. Boost/Cut Controls: Each of these controls represents a range of frequencies surrounding a center frequency to cover the audio spectrum from subwoofer to treble. Adjust these controls to fit your taste and listening environment. Each center frequency can also be adjusted +/- 12 dB.
5. EQ On/Off Selector: This button lets you turn on or off the equalization provided by the AVA1204.
6. X-Bass Processor On/Off: The AVA1204 features a BASS enhancement circuit called X-BASS. Use this when you wish to have to emphasize the bass portion of your audio.