Velodyne VX-10 - Manual (Page 9)

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Figure 1. Rear panel inputs, output and operational layout.
Figure 2a. Line-level subwoofer connection diagram.
Speaker Line-level Connections
When installed in this fashion the satellite speakers will be crossed over
at 80Hz. This removes the lower bass from your amplifier and speakers,
enabling them to do a better job reproducing high frequencies. By utilizing
this method you will have a bi-amplified system, gaining improved power
and headroom for your system.
Subwoofer Outputs
The Velodyne subwoofer is designed to operate using the full range audio
signal for input when using the built-in crossover. Many home theater
processors/receivers (Dolby Digital, DTS, THX) have a "subwoofer out"
jack that is internally filtered and designed to be used with a powered
subwoofer. In some installations, it may be beneficial to have a steeper
ultimate crossover slope. To do this, you can use both your processor's
crossover and the one internal to the Velodyne sub.
(Refer to Figure 2a and 2b, Page 11 and 12 for connection diagram)