high spl subwoofer speaker

car subwoofercar subwoofer


  • Size : 12inch/15 inch
  • Peak power : 2400w/3000w
  • RMS : 600w-1200w/600w-11500w
  • nominal impedance :D2/D2


Model ATC-B250S ATC-B300S
Subwoofer Dimensions 12'' 15''
Magnet Weight 163oz 163oz
Nominal Impedance D2 D2
Suspension Composite Composite
Power Handling(RMS/Peak) 600-1200w/2400w 600-11500w/3000w
Suspension Travel 45mm 45mm
Xmax 23mm @50%BL 23mm @50%BL
Fs 25HZ 21HZ
Qts 0.34 0.41
Qes 0.37 0.48
Qms 3.73 3.61
SPL 89db 91db
Voice Coil Diameter 3''/75.5cm 3''/75.5cm
Motor Diameter 7.5''/19.0cm 7.5''/19.0cm
Volume(Litres) 50 66
Volume(cu.ft) 1.77 2.33
Port Diameter 3.5in/90mm 3.5in/90mm
Port Length 11.0in/280mm 7.9in/200mm
Volume(Litres) 35 50
Volume(cu.ft) 1.24 1.76


*Warranty: 1 Year warranty. 1 Year warranty from Authentic implies that repairs must be returned to Authentic, not the manufacturer. What's not covered : Misuse, abuse, defacement, physical damage of any kind, and improper installation / operation. Video and multimedia equipment with damaged or cracked screens.Subwoofers and speakers are not warranted against being blown, burned or abused.

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