yes, it has HP filters available for all channels. 12dB/oct slopes.
whether they suit, depends upon where you need them to be set. if you actually look at the amp it's marked and self-evident. HP can be set between 30-400Hz, or using the multiplyer switch, can be set in the range of 600Hz-8kHz.
download the manual from the australian website:
http://www.alpine.com.au/products/manual.asp?id=212#