Aluminum basket car speaker

car subwoofercar subwoofer


  • Size : 12 inch/15inch
  • Peak power : 600w-800w/700w-1000w
  • RMS : 300w-400w/350w-500w
  • nominal impedance : (2+2)Ω/(2+2)Ω


Model QX-250 QX-300
Magnet Weight 68.47oz 68.47 oz
Nominal Impedance (2+2)Ω (2+2)Ω
D.C Resistance (1.8+1.8)Ω (1.8+1.8)Ω
Cone Paper Paper
Surround Rubber Rubber
Power Handling (RMS/Peak) 300-400W /600-800W 350-500W / 700-1000W
Suspension Travel 21mm 21mm
Force Factor ( BL) 12.1TM 12.9TM
Fs 48Hz 45Hz
QTS 0.65 0.67
Qes 0.73 0.77
Qms 5.3 5.1
Effective Moving Mass 115.6g 146.5g
Equivalent Volume 16.2Ltr 48.3Ltr
Sensitivity 88dB   ±2dB 89dB   ±2dB
Voice Coil Diameter 50 mm 50 mm
Outside Diameter 270mm 320mm
Cutout Diameter 235mm 286mm
Mounting Depth 85mm 95mm
 Motor Diameter 180mm 180mm


*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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