AIR PRESSURE HORN (BIG)

MODEL APH  UT-503 (12V) BIG,  UT-501 (12V) SMALL
MODEL APH UT-503A (24V) BIG UT-501A (24V) SMALL

Sound Pressure Level   : 120± 5db (A)
Frequency                       : High   :  575 Hz (App.)
                                            Low    :  485 Hz(App.)
Weight                            :  225 gms (App.) 

AIR PRESSURE HORN

MODEL APH METALIC UT-504 (12V)
MODEL APH METALIC UT-504A (24V)

Sound Pressure Level   : 120± 5db (A)
Frequency                       : High   :  560 Hz (App.)
                                            Low    :  570 Hz(App.)
Weight                            :  160 gms (App.) 

AIR PRESSURE JUMBO HORN

MODEL AJH UT-505 (12V)
MODEL AJH UT-505A (24V)

Sound Pressure Level   : 120± 5db (A)
Frequency                       : 340 Hz (App.)
Weight                             :  260 gms (App.) 

TWINTONE 
MODEL TWT-MINI

UT-507, UT-507A, UT-509, UT-509A, UT-511, UT-511A, UT-513, UT-513A, UT-515, UT-515A, UT-517, UT-517A

Sound Pressure Level   : 120± 5db (A)
Frequency                       : High   :  785 Hz (App.)
                                            Low    :  735 Hz(App.)
Weight                            :  680 gms (App.)