EN54 Extension amplifier with zones



EN54 extension amplifier with 6 speaker zones for voice alarm system FEATURES VELA is a voice evacuation system certified in accordance with the EN54 fire protection standard. A perfect solution for PA evacuation systems that include zones. Dante compatible, and ethernet connection for PC software configuration and control. Among the principal functions, worth pointing out is emergency and evacuation announcements with zone control. System status check and loudspeaker line monitoring. Input and output DSP functions. Playback of pre-recorded messages, microphone and line inputs, and automatic switchover from the backup amplifier. The VELA-AMP central amplifiers and VELA-EXT extensions have 6 zones with independent volume. The system supports up to 256 zones, with one central amplifier and 42 extensions. Each amplifier provides 360 W RMS power to be distributed in the zones, with a maximum of 180 W per zone. It is possible to connect 2 VELA-FMIC fireman microphones and 2 VELA-MIC alert microphones to each VELA-AMP central amplifier and VELA-EXT extension. The complete system supports 32 fireman microphones and 32 alert microphones. If EN54-16 compliance is required only 16 fireman microphones can be connected Very versatile integration with other systems, with general purpose inputs and outputs, emergency control inputs for connection with switchboards, outputs for skipping attenuators, etc. Perfect for facilities requiring the very best fire and safety measures. Easy handling and low maintenance cost. The amplifier is fully configurable via the intuitive PC software. APPLICATIONS Designed for PA and voice evacuation installations in accordance with the EN54 fire protection standard. For medium- and large-sized installations such as shopping centres, stadiums, convention centres, hospitals, residences, etc. TECHNICAL DATA 360 W RMS 6 loudspeaker zones and is expandable to a maximum of 576 zones 6 GPI and 6 GPO 6 emergency control inputs for contact closure fire alarm system and 2 status outputs 6 control outputs for attenuators, 24 V DC DANTE compatible
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EN54 amplifier for PA and voice alarm system.
6 loudspeaker zones, maximum 180 W per zone.
Independent volume control per loudspeaker zone.
Expandable to 252 zones maximum.
Message player with 16 MB storage capacity.
Error recording and storage.
EN 54-16 certified.
6 GPI and 6 GPO.
DANTE compatible.
Software for PC.


360 W RMS all zones 1 - 6.
Maximum 180 W RMS per zone.


100-15,000 Hz


2 RD ports, for mod. VELA-FMIC, VELA-MIC or VELA-V
3 balanced mics/lines, selectable, XLR, 600 Ω 20 mV RMS
2 BGM lines, 2 x RCA 10,000 Ω 300 mV RMS
1 x 100 V line for backup amplifier, euroblock
2 DANTE ports, 2 x RJ-45 (Primary and Secondary)
6 GPI, euroblock
6 emergency control inputs for contact closure fire alarm system, 2 x RJ-45
1 PS LINK for emergency power supply


1 REC out, 2 x RCA
6 zone audio outputs for expansion, euroblock
1 LINK for VELA-BUP reserve amplifier, RJ-45
6 GPO, euroblock
2 contact closure status outputs for system flooding, 2 x RJ-45
6 control outputs for dimmers, 24 V DC euroblock


230 V CA, 1100 W and 24 V CC, 22 A


440 x 130 x 402 mm depth. 2 U 19" rack


17 kg
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