Bio 12 Inch Subwoofer (Used - Working)

$35.95 Sale price $35.95

Expected to be back in stock on 11/21


The item was tested and it is working. There may be cosmetic damage, small scratches, dents, and/or damage to the gift box. If for some reason the item is not working, you have 30 days from the date of purchase to notify us. We will ask you to return the item (with the packaging received) back to us. Once we verify it is the item and it is not working, we will issue you a store credit only. If we discover the item is working, we will not issue a refund and will offer to return the item to your address at your cost.


The Bio series, known as Badass, is our entry-level, no-frills, workhorse subwoofer. The drivers share high-grade components, perfect for the bass head on a budget. It has 300 watts RMS and 600 watts MAX power. It features a 4-layer copper Dual 4 Ohm voice coil and a polypropylene cone. It is CT’s most affordable series while still delivering excellent performance and deep low notes. The Bio is the perfect choice for its price and will not disappoint. You will stand out loud, and your friends will notice.

Whats in the box:

  • 1 x Bio 2.0 12" D4 Car Subwoofer (Dual 4 ohm)


  1. It is a dual 4Ω (ohm) resistive (voice coil) subwoofer
  2. This sub takes 300W (RMS) & can take up to 600W power (MAX)
  3. Dual connectivity terminals with 2" (diameter) voice coil make this product versatile irrespective of its size, dimensions and power consumption
  4. It incorporates Y30 graded ferrite magnet, which is one of the kings in the magnet world
  5. Strong basket frame is capable of handling high powered audio frequencies without any harm to the product

Technical Specifications:

  1. Sub power: 300W (RMS) | 600W (MAX) 
  2. Subwoofer size: 12"
  3. Subwoofer type/ impedance: Dual 4 ohm
  4. Voice coil (diameter): 2" (50.80mm)
  5. BL: 18.966
  6. FS: 33.00 Hz
  7. QTS: 0.527
  8. QES: 0.61
  9. QMS: 5.9
  10. VAS: 64.4 liters
  11. SPL: 87.3 dB (@1w/1m)
  12. Xmax: ~15mm (Both way)
  13. Displacement: 0.12 ft3

Box Specifications:

  1. Sealed: 1.00 ft3
  2. Ported: 1.50 ~ 2.0 ft3

Mounting / Installation Parameters:

  1. Cutout diameter: 279mm / 11"
  2. Overall diameter: 318mm / 12.5"
  3. Mounting depth: 145mm / 5.70"

Customer Reviews

No reviews yet