miniDSP NANOAVR HD User Manual page 28

The input channels are low pass filtered in the LPF blocks, and then summed into a combined low-frequency
signal. The controls for each LPF block are similar to those seen in the Xover blocks in the output channels, but
only have a single low pass filter. (For details on the filter parameters, see Crossover settings above.)
The gain control blocks (labelled with the attenuation, such as "0 dB" or "-10 dB") set the levels at which the low
pass filtered signals from each channel are mixed together. To set the gain, right-click on the box and use the
slider, or type directly into the entry box. Then click Close. To turn off low frequency mixing for a channel, simply
click on the gain control box to set it to Off.
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miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice