BSS BLU-CARD-OUT 4 Analog Output Card For Soundweb London ChassisThe Soundweb London Analog Output Card is designed to populate any of the four card slots on Soundweb London BLU 800, BLU 805, BLU 806, BLU 320, BLU 325, BLU 326, BLU 160, BLU 120, BLU 80, BLU 32 and BLU 16 devices. This analog card enables Soundweb London devices to send line level signals. The Analog Output Card has two Combicon connectors which are used as follows: Connector 1 Balanced Unbalanced Audio, Channel 1 Mic Line Balanced Unbalanced Audio,