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Audison Thesis TH 6.5 II SAX 6.5" 17cm Car Midbass Door Woofer Speakers 150w RMS

£1,399.99
Low stock
SKU: 90242MPN: TH 6.5 II SAX

The Thesis TH 6.5 II SAX is Audison's flagship 6.5-inch (165mm) midbass woofer, built for listeners who refuse to compromise on sound quality.

Total Transparency

Transparency is the Thesis principle, inherited from Audison's HV venti project. The TH 6.5 II SAX was designed from a blank sheet to avoid compromise, with the goal of passing the musical signal through untouched.

Engineered by Simulation

Audison's R&D team modelled the driver using finite element (FEM) software, then refined it through intensive prototyping to reach the ideal transducer.

Key Specs

  • Size: 6.5-inch (165mm)
  • Power handling: 150W RMS / 300W peak
  • Impedance: 4 ohms
  • Designed to partner Thesis electronics
Specification
Power Handling- Peak    300 W
Power Handling- Continuous    150 W
Impedance   4 Ohm
Frequency Response   40 ÷ 4500 Hz
MagnetMaterial    NEODYMIUM
Voice CoilØ    50 mm
Voice CoilMaterial    CCAP - COPPER CLAD ALLUMINIUM RIBBON
ConeMaterial    TPX®
Weight   1.25 kg
More specs
  • Size    165 mm
  • Woofer Qes    0,47
  • Xmax    5.4 mm
  • D    130 mm
  • Re    3.8 Ohm
  • Fs    55 Hz
  • Vas    8.6 l
  • Mms    24.2 g
  • Cms    0.35 mm/N
  • BL    8.2 T•m
  • Qms    5.3
  • Qts    0.43
  • Le Standard    0.43 mH
  • Spl    87 dB
What's Included
  • Audison Thesis TH 6.5 II SAX 6.5" Woofers
Product information

Audison

About the Audison TH 6.5 II SAX

From our tech experts at CEN

Audison Thesis midbass drivers, 6.5 inch, handling 150w RMS, built to cover one band in a multi-way front stage.

Who it suits

Drivers building an active or multi-way system where each driver has a defined job and a processor sets the crossover points. Thesis is the top of Audison’s car range, intended for fully active systems.

Our tech experts advise

Drivers like this assume amplification and processing: the crossover points and mounting locations matter as much as the hardware. get in touch and we will help specify the front stage. See car audio installation.

Explore the full Audison range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Audison

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Frequently Asked Questions

Q: Will these speakers fit my car?

A: Most car speakers are standard sizes, but mounting depth and fitting rings vary by vehicle. Check the size in the Specification tab against your vehicle, or contact CEN with your registration and we will confirm fitment and any adapters or fitting kits you need.

Q: Do I need an amplifier to run these speakers?

A: Not always. Most speakers will run from a standard head unit, but a dedicated amplifier lets them perform at their best, particularly for component sets and higher power handling models. The RMS figure in the Specification tab is the guide to how much clean power they can use.

Q: What is the difference between coaxial and component speakers?

A: Coaxial speakers combine the tweeter and woofer in one unit for a simple like-for-like upgrade. Component sets separate the tweeter and woofer with a crossover for better imaging and detail, and suit installs where sound quality is the priority.

Q: Do these come as a pair?

A: Unless stated otherwise, car speakers are sold in pairs. Check the product title and What's Included tab, which lists exactly what is in the box.

Q: Can CEN fit these speakers for me?

A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.