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The BTQ-SL8 is an extension unit for BTQ-VM4/8 PAVA controller. It increases the number of zones by a further 8 speaker zones. Up to 31 x BTQ-SL8 secondary units can be added per controller via a dedicated digilink local network, providing a maximum of 256 A/B zones and extends the number of input and output contacts available in the system at the same time. The BTQ-SL8 is linked to the main unit via STP CAT5/6 cable with metal shielded RJ45 connector (max. length 10M between units).

The BTQ-SL8 is capable of handling 1000W speaker load per zone and 2000W max. per unit. The BTQ-SL8 contains 9 monitored EVAC inputs triggered either by dry contact, 8 logic control inputs and 8 relay control outputs (configured by web browser). In addition, the BTQ-SL8 has a digital paging and control console interface.

Operational versatility is further enhanced by a dedicated ATEÏS web browser such as level, PEQ, audio routing, monitor and control, event andbell scheduler for schools, priority management (1 ~ 99 priority level) etc..