Filter
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Subsonic Filter (ELA1190, ELA1300, ELA1500 & ELA1800)
A subsonic filter has been provided to filter out unwanted subsonic bass frequencies
below the audible range of the subwoofer. This feature helps to improve the amplifier's
overall performance since power is not wasted reproducing frequencies beyond the
speakers' normal operating range. This feature works in conjunction with the Low-pass
crossover to provide band-pass filtering.
Phase Adjustment (ELA1190, ELA1300, ELA1500 & ELA1800)
The phase switch allows for 0 or 180 degree phase adjustment for the woofers. In most
systems, this phase adjustment should be set at 0 degrees. The 180-degree setting is only
needed if the subwoofers are out of phase with the satellite speakers in the vehicle.
Power Fusing
This protects the amplifier against short circuits and excessive current.
Remote Turn-on
Automatically turns amplifier on when connected to the head unit's remote output. The
amplifier will turn on and off with the head unit to save current consumption. This control
also operates the reset circuit for the amplifier's protection. It must be connected with
the head unit in order to reset protection circuits.
Adjustable Input Sensitivity
Allows you to fine-tune the level matching between your source and the power amplifier.
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