Notification of the PRICING, our BIGGEST DISCOUNT, BEST DEAL, will be announced by email approximately two weeks before departure to the USA. You will have 72-hours to purchase (the balance owed). If you choose not to buy, CT Sounds will refund your $10 reservation fee within 7 business days. We anticipate orders will ship out 60-90 days after the container ship departs for the USA.


Meso 6.5 Inch D4 is the most powerful and smallest subwoofer of CT-Sounds. It delivers pinpoint sound accuracy and unmatched performance that you may not experience by other brands at its price point. The Meso is a perfect choice for those who want great sound and performance that is why it is called The Beast. You will be blown away with its double-stacked Y35 ferrite magnet that offers 300 watts RMS with 600 watts MAX power handling. It weighs 50% more than the Tropo 6.5 Inch D4 subwoofer. It features a cast aluminum basket, a 4-layer CCA voice coil, allowing faster heat dissipation and cooling. The cone is a nylon composite paper like the Strato but is stiffer - reinforced with 5% carbon fiber. The Meso is a competition-grade subwoofer. You will be the talk of the town; heads will turn.


Whats in the box:

  • 1 x Meso 6.5" D4 Car Subwoofer (Dual 4 ohm)


  1. It is a dual 4Ω (ohm) resistive (voice coil) subwoofer
  2. This subwoofer takes 300W (RMS) power with 600W maximum power capacity
  3. Nice and small 2" (diameter) voice coil makes this product versatile & powerful irrespective of its size, dimensions and power consumption
  4. It incorporates Y35 graded triple stacked ferrite magnet, which is one of the kings in the magnet world
  5. The sub has got strong, sturdy and stupendous arm styled basket frame. The sub is well capable of handling high-powered audio frequency without any harm to the product; even at highest rated inputs from the channel amplifier


Product Manual


Technical Specifications:

  1. Sub power: 300W (RMS) | 600W (MAX) 
  2. Subwoofer size: 6.5"
  3. Subwoofer type/ impedance: Dual 4 ohm
  4. Voice coil (diameter): 2" (50.8mm)
  5. FS: 54.192 Hz
  6. QTS: 0.401
  7. QES: 0.449
  8. QMS: 3.730
  9. VAS: 3.050 liters
  10. SPL: 82.2 dB (@1w/1m)
  11. Xmax: 10.4mm
  12. Displacement: 0.0435 ft3
  13. Magnet weight: 80 Oz
  14. Speaker connector: 12 Gauge
  15. Resonant frequency: 30.5Hz

Box Specifications:

  1. Sealed: 0.25 ft3
  2. Ported: 0.40 ~ 0.55 ft3

Mounting / Installation Parameters:

  1. Cutout diameter: 148mm / 5.8"
  2. Overall diameter: 175mm / 6.9"
  3. Mounting depth: 105mm / 4.13"



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Meso 6.5 Inch D4 (300W RMS) ® [Reservation Fee]

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