System Alpha

System Alpha


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Presenting the System ALPHA from JBL Synthesis: the definitive zenith of home theater systems, designed for the connoisseur who demands nothing but the utmost in performance, innovation, and sophistication. Engineered for grand spaces up to 510m³, the System ALPHA (EXTREME) configuration stands as the magnum opus of home cinema, embodying an extraordinary 13.4.12 setup that pushes the boundaries of audio excellence.

Pricing available on application which will includes installation and shipping costs to your nominated location

System ALPHA: The Ultimate Home Theater Connoisseur’s Dream

  • Unrivaled Configuration for Large Spaces: The ALPHA’s 13.4.12 setup ensures that every inch of your large theater space is immersed in rich, detailed, and dynamic sound, making it the ultimate choice for expansive environments.
  • Flagship Components for Supreme Performance: Featuring the crème de la crème of JBL Synthesis’s offerings, such as the SCL-1 flagship loudspeakers and SSW-1 subwoofers, this system is designed to deliver an unmatched audio experience that captivates and enthralls.
  • A Legacy of Audio Excellence: Drawing upon 75 years of audio innovation, the ALPHA system integrates JBL Synthesis’s patented technologies, including the revolutionary High-Definition Imaging (HDI) horn geometry, to create a soundstage that is vivid, expansive, and incredibly detailed.

System ALPHA Components:

  • Advanced Processing Power: The DP75-24 Processor is at the heart of the system, ensuring sophisticated audio decoding and processing for the most intricate soundtracks.
  • Robust Amplification: An array of amplifiers, including eight SDA2200, two SDA7120, and two MA-4D amplifiers, provides the power and clarity needed to drive this extensive system to its full potential.
  • Exceptional Front Stage: Three SCL1 Main Speakers, each featuring dual 12-inch woofers and a dual 3-inch compression driver within a large format HDI horn, deliver an unparalleled front stage experience, setting a new standard for clarity and impact.
  • Immersive Surround Experience: Eight SCL2 Surround Speakers ensure a seamless and encompassing surround sound field, enveloping the listener in a cocoon of lifelike audio.
  • Deep, Resonant Bass: Four SSW1 Subwoofers produce profound and impactful bass, adding a visceral dimension to the cinematic experience.
  • Heightened Acoustic Realism: Twelve SCL5 In-Ceiling Surround Speakers provide the overhead channels, adding an essential layer of depth and dimensionality to the soundstage for a truly immersive 3D audio experience.

Priced at $546,957, the System ALPHA is not merely a home theater system; it is the ultimate expression of audio mastery and luxury. It’s designed for those who accept no compromises and seek the definitive home cinema experience.

The System ALPHA represents the culmination of what is possible in home audio, transforming your theater space into a bastion of unparalleled sound. Experience the pinnacle of home cinema with System ALPHA at Len Wallis Audio, where the ultimate in audio performance becomes your reality.

Why should you consider a JBL Synthesis System Alpha  from Len Wallis Audio?

Emerging from Hollywood’s quest to replicate cinema-quality sound in residential settings, JBL Synthesis boasts a storied connection with the movie industry. In 1983, the brand was chosen by Lucasfilm to craft the inaugural THX®-certified commercial cinema speaker system.

A decade later, JBL Synthesis unveiled the pioneering THX-certified home theater setup. Presently, JBL Synthesis stands as the purveyor of the world’s most sophisticated multi-channel audio systems, designed to accommodate spaces ranging from cozy nooks to expansive private home theaters, ensuring an unparalleled home cinema experience.


JBL Synthesis systems are distinguished by their use of patented acoustic technologies that produce enveloping, precise soundscapes. These unique innovations set JBL Synthesis apart, offering a home theater sound experience that is unmatched.

These drivers are the heart of the system, providing exceptionally clear, detailed, and dynamic audio, enhancing the home cinema experience.

The High Definition Imaging Horn Geometry is a testament to JBL’s engineering excellence, offering consistent and controlled sound distribution, crucial for an immersive home theater setup.

Len Wallis Audio takes pride in being an authorized JBL Synthesis integrator, a recognition of our proficiency in engineering top-tier multi-channel audio solutions for home theaters. Our expertise in design and installation stands at the industry’s zenith, ensuring we can craft the ideal home cinema system tailored to your space.

Experience the ultimate in home cinema with System Alpha, available now at Len Wallis Audio.

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At Len Wallis Audio, whether you’re purchasing in store, over the phone or online through our ecommerce store, we want you to be completely satisfied with your purchase.

Our Refund, Return and Repairs Policy is here to clarify any concerns or questions you might have prior to you making a purchase from us. This way you can be sure of our policy on refunds, returns and repairs and your rights under the Australian Consumer Law.

We also recommend you immediately inspect any goods that you receive from us to ensure you are completely satisfied with the goods, including that the goods are of acceptable quality, and match the description we have provided to you.

If you have any questions about this policy, please contact us at or 02 9427 6755

We require a receipt or proof of purchase.

  • Please do not send your purchase back to the original manufacturer.
  • There are certain situations where only partial refunds are granted (if applicable). For example:
    • Any item not in its original condition, is damaged or missing parts for reasons not due to our error
    • Any item that is returned for reason of change of mind more than 14 days after delivery or purchase from the store.

Consumer Guarantees and Your Rights under the Australian Consumer Law

Refer to our page for more information.

Goods Damaged in Transit.

If any goods arrive damaged, please contact us as soon as possible. Len Wallis Audio will arrange to have the damaged goods returned and either arrange for a replacement of the goods or refund the price to you. Damaged goods must be returned in the condition received by you with all original packaging, accessories and/or manuals.


Refunds will be normally be processed within five (5) days.

Delivery Charges

Where Len Wallis Audio considers the goods to have breached a consumer guarantee, any shipping costs to return the goods to Len Wallis Audio will be at our cost.

Returns and Repairs.

You may visit Len Wallis Audio and a staff member will assist you with any return or repair. This may include inspecting the goods, arranging for the goods to be repaired, or providing you with a replacement.

Goods must be returned within a reasonable time. 

If any goods cannot be easily returned to us due to their size, the fault or because they have been affixed or installed in your premises, please contact us and we will arrange an inspection to assess the goods.

Goods returned for repair will be assessed and/or repaired within a reasonable time. You may be provided with an indicative repair time, which time may vary due to reasons beyond ours or the repairer’s reasonable control, such as part availability and incorrect fault description.

You may be required to pay labour, assessment and/or freight fees, such as where goods are assessed to have been damaged by misuse or accident, or where your rights under the Australian Consumer Law or any manufacturer’s warranty do not apply. We may provide you with an indicative fee, which may vary due to reasons beyond our control.

If any goods that you return are capable of retaining user generated data such as files stored on a hard drive, and songs stored on a portable media player, the replacement or repair of the goods may result in loss of the data. In these circumstances, we recommend you back up data to prevent data loss, and remove sensitive or confidential data, as a party assessing and/or repairing your goods may be required to view data in the course of carrying out the assessment. We will not be responsible for any data loss.

In some circumstances, goods presented for repair may be replaced by refurbished goods of the same type rather than being repaired. Refurbished parts may be used to repair the goods.

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Where you have any questions or concerns relating to your Order, please immediately contact us

We understand that sometimes you may simply change your mind about a purchase or have made a wrong selection. In these situations, you have 14 days in which to return your item for a refund, exchange or store credit. If more than 14 days has passed since your purchase we can’t offer you a refund, exchange or store credit.

To be eligible for a return, refund or store credit your item must be in the same condition that you received it. Which is to say, it must be in the original unopened packaging, and in ‘brand new’ saleable condition.

Please note that current Australian Consumer Law does not require us to offer a ‘Change of Mind’ refund. Rather Len Wallis Audio offers 14 day ‘Change of Mind Policy’ in good faith. For more information on consumer rights and guarantees, please visit the Australian Competition and Consumer Commission web site.