Bio 6.5 Inch Coaxial Speakers (Used - Working - Old Model)

$25.99 Regular price $35.99 Sale price

You Save 28% ($10.00)



 The item was tested and 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.


 You can probably say that one of the best Entry Level car audio 6.5" speakers are CT Sounds Bio 6.5 Inch Car Audio Coaxial Speakers (Pair) considering the quality and price of the package. This package gives you absolute stunning car audio for the price. The best specialty in these bio speakers is that you can run them off your head unit directly or you can also use an amplifier behind them. For family vehicles, this set is absolutely perfect & highly recommended. Checkout for further technical specifications for the product below-

Whats in the box:

  • 2 x Bio 6.5" Car Audio Coaxial Speakers


  1. Each speaker has Plastic polypropylene (PP) cone with NBR (Nitrile Butadiene Rubber) surround
  2. Black color PC spider
  3. White Zinc coated 3mm front plate
  4. Voice coil of 0.8" / 21mm (dia) at each speaker
  5. Y30 ferrite magnet at each speaker
  6. Each speaker has 13mm silk-dome tweeter
  7. Small crossover circuitry beneath the tweeter at each speaker
  8. Quality Copper Clad Aluminium Wire (CCAW) used for tweeters connectivity
  9. Steel plate type terminals for speaker connectivity, big one for Positive (+ve) & small one for Negative (-ve)
  10. Each speaker has black stamp steel basket with black powder paint on them

Technical Specifications:

    1. Speaker size: 6.5"
    2. Speaker type: Coaxial
    3. Impedance per speaker (woofer+tweeter): 4-Ohm
    4. Power per speaker: 30W (RMS) | 60W (MAX)
    5. Total system power: 60W (RMS) | 120W (MAX)


          1. Voice coil (dia): 0.8" / 21mm
          2. Sweep voltage: 11 V
          3. Output SPL (@1w/1m): 89 dB
          4. QTS: 1.186
          5. Resonant frequency: 102 Hz
          6. Frequency response (@SPL -10dB): 50 Hz ~ 20 kHz
          7. Magnet weight: 21 Oz
          8. Magnet type: Y30 ferrite


            1. Sweep voltage: 1.8 V
            2. Tweeter size (dia): 13 mm
            3. Tweeter type: Silk-dome
            4. Magnet type: N38H


              1. Crossover circuit: 3.3 μF capacitor / 50V

              Mounting / Installation Parameters:

                1. Cutout diameter: 144mm / 5.65"
                2. Overall diameter: 165mm/ 6.50"
                3. Mounting depth: 55mm / 2.16"

                Customer Reviews

                Based on 1 review
                Tony Denney
                Great service

                Speakers received fast and look like quality speakers have not installed them yet i will up date how they sound later