Pair of crossovers for Couplet Light.
Book shelf Speaker
other parts required for this speaker see link below.
http://www.pqsound.co.za/index.php?main_page=product_info&cPath=17_115_116&products_id=834x 4pcs
http://www.pqsound.co.za/index.php?main_page=product_info&cPath=17_115_117&products_id=832x 2pcs
http://www.pqsound.co.za/index.php?main_page=product_info&cPath=17_115_120&products_id=934x 2pcs
and the complete box specs below
http://www.visaton.com/en/bauvorschlaege/2_wege/couplet_light/construction.html