Edwards EST SIGA-AA50 Intelligent Audio Amplifier BoardSIGA amplifiers are high efficiency switch mode audio amplifiers available in 30 and 50 watt sizes. Amplifiers have two input channels supporting dual channel or single channel audio applications. Amplifier project application flexibility is enhanced by provision for input levels at 1Vrms or 25Vrms. This allows SIGA amplifiers to obtain their input from a line level signal or the output of another 25Vrms amplifier. This feature provides great

— 4098-9832 Adapter plate: Required for surface or semi-flush mounting to 4” square electrical box and for surface mounting to 4” octagonal box

Mounts directly to 4 inch square electrical boxes

x 1 1/2 in

SIGA-APS (for retrofit only)

Replacement Board for SKE-450 Voice Evacuation Panel

the ANSBKUP automatically activated a backup amplifier

It can be removed using a screwdriver to release the tamper-resistant locking finger

The Edwards EST SIGA-SB is the standard mounting base for Signature Series detectors

Power Supply Monitor

Upgrade Kit Lift Converts SD500-PS to SD500-PSDA

Each 4009-9807 NAC option card supports up to two Class A option card(s)

Serial DACT