Extra Loud Bracket Alarms

Mallory’s extra loud bracket alarms are available in bracket or wall-mount packages. These alarms emit over 105 dB @ 1 Meter and come in a variety of shapes and sizes. Sound types include continuous tone, slow pulse tone, warble tone, and siren tone.

The following model numbers are sealed and are suitable for use in environments where they may be exposed to liquids or moisture:

PS-520Q, PS-521Q, PS-522Q
PS-531Q
PS-550Q, PS-551Q, PS-552Q
PS-593SCQ

Extra Loud Bracket Alarm Applications

Security
Vehicle Alarms
Anti-Theft Devices
Noisy Environments
Applications where the person is 20 to 50 feet away from the alarm

Over 100 dB @ 1 Meter
Variety of Shapes & Sizes
Bracket & Wall Mount Packages
Bare Wires or Connector
dB Distance = 1 Meter
For Security Applications or Noisy Environments

Model #	LED Color	Sound Type	Freq (Hz)	Volt Rating	Typical dB	Size	hf:att:pa_led-color	hf:att:pa_sound-type	hf:att:pa_frequency-hz	hf:att:pa_voltage-rating	hf:att:pa_typical_db_max_voltage	hf:att:pa_size
PS-520Q		Continuous	3000	5 to 15 DC	105	40 x 45 x 58 mm		continuous	3000	5-to-15-dc	105	40-x-45-x-58-mm
PS-521Q		Slow Pulse	3000	5 to 15 DC	105	40 x 45 x 58 mm		slow-pulse	3000	5-to-15-dc	105	40-x-45-x-58-mm
PS-522Q		Slow Warble	2.5K-3.5K	5 to 15 DC	105	40 x 45 x 58 mm		slow-warble	2-5k-3-5k	5-to-15-dc	105	40-x-45-x-58-mm
PS-523AQ		Fast Siren	1.5K-4K	5 to 15 DC	105	40 x 45 x 58 mm		fast-siren	1-5k-4k	5-to-15-dc	105	40-x-45-x-58-mm
PS-531Q		Slow Pulse	2800	5 to 15 DC	105	85 x 42 mm		slow-pulse	2800	5-to-15-dc	105	85-x-42-mm
PS-550DG-24AQ	Green	Continuous	2800	6 to 28 DC	105	54 x 41 mm	green	continuous	2800	6-to-28-dc	105	54-x-41-mm
PS-550DG-AQ	Green	Continuous	2800	5 to 15 DC	105	54 x 41 mm	green	continuous	2800	5-to-15-dc	105	54-x-41-mm
PS-551D-220VQ		Slow Pulse	2900	90 to 250 Vac/dc	105	54 x 41 mm		slow-pulse	2900	90-to-250-vac-dc	105	54-x-41-mm
PS-551DBQ	Blue	Slow Pulse	2800	5 to 15 DC	105	54 x 41 mm	blue	slow-pulse	2800	5-to-15-dc	105	54-x-41-mm
PS-551DGQ	Green	Slow Pulse	2800	5 to 15 DC	105	54 x 41 mm	green	slow-pulse	2800	5-to-15-dc	105	54-x-41-mm
PS-551DRQ	Red	Slow Pulse	2800	5 to 15 DC	105	54 x 41 mm	red	slow-pulse	2800	5-to-15-dc	105	54-x-41-mm
PS-551DYQ	Yellow	Slow Pulse	2800	5 to 15 DC	105	54 x 41 mm	yellow	slow-pulse	2800	5-to-15-dc	105	54-x-41-mm
PS-551Q		Slow Pulse	2800	5 to 15 DC	105	54 x 41 mm		slow-pulse	2800	5-to-15-dc	105	54-x-41-mm
PS-552Q		Slow Warble	2.2K-2.9K	5 to 15 DC	105	54 x 41 mm		slow-warble	2-2k-2-9k	5-to-15-dc	105	54-x-41-mm
PS-554DY-24AQ	Yellow	Fast Pulse	2800	16 to 28 DC	105	54 x 41 mm	yellow	fast-pulse	2800	16-to-28-dc	105	54-x-41-mm
PS-554DY-AQ	Yellow	Fast Pulse	2800	5 to 15 DC	105	54 x 41 mm	yellow	fast-pulse	2800	5-to-15-dc	105	54-x-41-mm
PS-554F-12V-VRQ		Fast Pulse	2800	5 to 15 DC	100	54 x 41 mm		fast-pulse	2800	5-to-15-dc	100	54-x-41-mm
PS-593SCQ		Fast Siren	1.5K-3.5K	5 to 15 DC	105	55 x 53 mm		fast-siren	1-5k-3-5k	5-to-15-dc	105	55-x-53-mm
PS-723BQ		Fast Siren	2.5K-4.5K	5 to 15 DC	105	39 x 47 x 23 mm		fast-siren	2-5k-4-5k	5-to-15-dc	105	39-x-47-x-23-mm
PS-733EWDBQ	Blue	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 18 mm	blue	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-18-mm
PS-733EWDGQ	Green	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 18 mm	green	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-18-mm
PS-733EWDRQ	Red	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 18 mm	red	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-18-mm
PS-733EWDYQ	Yellow	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 18 mm	yellow	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-18-mm
PS-733PRQ	Red	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 16 mm	red	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-16-mm
PS-733PYQ	Yellow	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 16 mm	yellow	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-16-mm
PS-733WDB-SQ	Blue	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 16 mm	blue	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-16-mm
PS-733WDG-SQ	Green	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 16 mm	green	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-16-mm
PS-733WDR-SQ	Red	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 16 mm	red	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-16-mm
PS-733WDY-SQ	Yellow	Fast Siren	2.5K-4.5K	5 to 15 DC	90	32 x 46 x 16 mm	yellow	fast-siren	2-5k-4-5k	5-to-15-dc	90	32-x-46-x-16-mm
PS-983Q		Fast Siren	1.2K-1.9K	5 to 15 DC	105	51 x 35 mm		fast-siren	1-2k-1-9k	5-to-15-dc	105	51-x-35-mm