DD Audio Z421 21" Subwoofer

21″ Z Series USA Made Subwoofer

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FEATURES

Z-Past

In early 2005 the first-ever iteration of the Z motor was launched. It forever changed the way people thought of a high-performance subwoofer and pushed the limits of car audio to new extremes. Over the years, many versions of Zs have been produced and this spirit of experimentation has driven us to constantly improve and innovate.

This sub rightfully takes its place as one of the most dominant competition subs of all time even though it wasn’t actually designed for competition. The motivation behind the Z was simply to build the best sounding high power handling driver of all time; to that note DD Audio considers the Z mission accomplished.

Z-Present

There have been a couple of different iterations of the Z4 over the years, and due to the limited number of pieces that have been produced it has gained almost mythical status in the subwoofer world. In its current form, the Z4 is an 18 lens grade 52 neodymium open motor design. By increasing the surface area of the voice coil, the size of the magnetic gap, and its heat dissipating abilities, the Z4 is able to be driven just as hard as the Z3, but with increased long-term high power handling.

The USA steel and aluminum motor parts are machined and finished in our hometown of OKC, and all the moving parts are USA made from the finest materials and manufacturing methods available. These parts are then assembled and QC’ed in our OKC facility. The motors are adorned with CNC engraved Z artwork, and every motor is engraved with its unique production number. All steel motor parts feature a Zinc and Black Chromate plating that gives each Z motor a unique look with the surface color ranging from matte to different iridescent hues. This plating provides excellent corrosion and heat resistance while minimizing coating thickness and maximizing energy transfer between motor parts. To further compliment the Z’s striking motor cosmetics the aluminum quick-change top plate, and shorting rings both feature red anodized accents.

You’ll notice the standard TS parameters are missing for the Z subs. This omission is on purpose because each Z is custom built to order allowing for Zillions of possible parameter sets making one static set of specs very prone to inaccuracy. The reason we build Zs custom to order is it gives a system designer the utmost freedom to design for their specific application.

The Z Series subs also feature our Evolution Subwoofer Package (ESP). ESP equipped drivers sport larger diameter suspensions and deeper frames than standard subs and exclusive surround and cone designs. ESP subs are truly built to maximize performance in their designated size class.

The Z Series comes standard with an oversized dry finish black composite dust cap, red logo, and treated pulp cone, but it can be optioned out with custom suspension configurations, alternative composite dust caps, composite cones, powder-coated frames, and a multitude of logo options to give your sub a personalized look and/or added performance for a specific application.

Z-Future

DD Audio will continue down the path of global transducer domination via the sledgehammer of the subwoofer world….THE Z

Can’t find what you’re looking for? Give us a call at 02 4965 6899 and let us help you!

  • The boys were fantastic, so happy with with the service from start to finish.

    The boys were fantastic, so happy with with the service from start to finish. wouldn't go anywhere else. do yourself a favour and head into see them 1st, you won't go anywhere else. Thanks boys

    Tracey E.
  • Would highly recommend

    Would highly recommend didn't charge me anything for the checkup on the audio system since it was a small problem. 10/10 they're awesome.

    Robbie Y.
  • awesome service. reasonable pricing. I will keep going back there. recommend 100%

    been there a few times for stereo install, dash cams, light bars etc awesome service. reasonable pricing. I will keep going back there. recommend 100%

    Shannon R.
  • Couldn’t have asked for better service from the get go

    Had my 79 series landcruiser in there for the works - door pods, speakers, apple car play head unit, under seat subs, amp, gme UHF and a few other bits and pieces. Couldn’t have asked for better service from the get go, Anthony was a pleasure to deal with, and the guys done neat professional work on the job itself, highly recommend

    Ryan T.
  • love coming to Newcastle pro sound

    love coming to Newcastle pro sound. great install and great service, especially from Ziad & Anthony

    Peter H.
  • I will always be their customer while ever they are still operating.

    These guys are absolutely amazing. I have dealt with them for many years. Michael has always fitted my systems, he is great & very friendly. They have done lots of radio and phone systems in my car and they have always provided wonderful, prompt & friendly service. I have just been there again today as my iPhone cradle broke (after many years) and Anthony fitted a vent magnet for my phone, he was an extremely friendly, happy guy. I will always be their customer while ever they are still operating. The floor staff are excellent and Hannah at the front...

    Christine H.
  • Thanks Newcastle Pro Sound for going above and beyond on my car.

    Had new gear put in my Audi TTRS yesterday and when installing they came across a different electrical set up than usual. The installers and sales staff stayed back working late until 8pm on their own time without charging extra. The advice was good and quality of product is excellent. The first place I went for a quote gave me a feeling it was a load of crap to get me to buy the speakers that would give them the best margin and rip me off. So glad I went for a second opinion. Thanks Newcastle Pro Sound for going...

    Adrian M.
  • the team stayed back this afternoon to get it done for me - extremely appreciative of their efforts

    Great professional service, came in this afternoon for information about an installation, and the team stayed back this afternoon to get it done for me - extremely appreciative of their efforts and everything looks good and works great!

    Tom H.
  • I don't take my car anywhere else when it comes to audio electrical stuff.

    Great friendly staff, awesome service and reasonably priced product. I don't take my car anywhere else when it comes to audio electrical stuff.

    Eddie A.
  • Workmanship is awesome - no squeaks, rattles and a "as factory" quality - the workshop team is top end. Firmly recommended!

    Such a professional and courteous outfit! I was the typical high need customer armed with a bunch of unsubstantiated info from the internet.. Hannah knew an awesome amount about what I was looking for and when more info was needed, was honest and followed up on promises to get back to me in a time frame. Anthony understands what you need, knows his stuff and is great to deal with. Through the installation Anthony was a great help, inspected the install at handover with me, showed me how to use the tech! On top of that great support and aftercare....

    Chris D.