|   | SMT-1141-T-3-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers 5vpp 2.9mm | 
    |   | SMT-1640-S-2-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers 70 dba 5vpp 4000hz | 
    |   | PB-1220PQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts xducr, 1.25-2.5vpp 85db, 12x8.5mm | 
    |   | AT-1620-TWT-2-R | PUI Audio |  | 机电产品
        
        音频设备 | speakers & transducers EM 80db 2048h 1.5vpp | 
    |   | PB-0627PE-05AQ | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | speakers & transducers xducr, 4-5vpp 2731hz, 6.6x3.1mm | 
    |   | AT-3046-TWT-2-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers PZ 94db 4600h 5vpp | 
    |   | AT-1220-TT-5-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers EM 80db 2048h 1.5vpp | 
    |   | AT-1820-TWT-1V-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers EM 80db 2250h 1.5vpp | 
    |   | PB-1224PE-05Q | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts xducr, 4.5-5.5vpp 2.4khz, sealed | 
    |   | PB-1221PQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts xducr, 1.25-2.5vpp 80db, 12x8.5mm | 
    |   | AT-1228-TT-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers EM 85db 2600h 1.5vpp | 
    |   | SMT-1324-TW-1V-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers 2400hz 80dba 1.5vpp | 
    |   | SMT-1324-TW-5V-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers 85dba 5vpp 2400hz | 
    |   | SMT-1341-T-2-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers 80 dba 5vpp 4100hz | 
    |   | AT-2460-TWT-R | PUI Audio |   | 机电产品
        
        音频设备 | speakers & transducers 85 dba 5vpp 5500hz | 
    |   | PB-09C27PE-03AQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | speakers & transducers xducr, 2-5vpp 2731hz, 10.5x4mm | 
    |   | PB-1220PEQ | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | audio indicators & alerts xducr, 1.25-2.5vpp 12x10mm, sealed | 
    |   | PB-1620PQ | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | speakers & transducers xducr, 1.25-2.5vpp 2048hz, sealed | 
    |   | AT-1220-TT-5R | PUI Audio |  | 机电产品
        
        扬声器与变频器 | 扬声器与变频器 EM 80db 2048h 1.5vpp | 
    |   | APS-100 | PUI Audio |  | 机电产品
        
        扬声器与变频器 | 扬声器与变频器 85dba 5vpp 500-20khz |