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SRA Ohio Class XL.2 Isolation Base

SRA Ohio Class XL.2 Isolation Base

SKU: Ohio Class XL.2SRA
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Product Description

At Silent Running Audio, we pursue a curious company-wide passion: improving on what is already considered the state-of-the-art.

The result of this passion is the Ohio-Class XL+ isoBASEa product designed to take the considerable strengths of the original Ohio-Class XL isoBASE and build upon them in several ways. Some subtle. Some substantial. All meaningful.

Everything that goes into crafting an Ohio-Class XL+ isoBASE is brought together within the framework of our Component Specific Design technology. Every material. Every part. Every interaction between the two right down to the molecular level. Of course this is how we design our Ohio-Class XL products too. So what sets them apart?

Starting on the outside, the housing materials in the Ohio-Class XL+ are both stronger and more inert.

Inside each isoBASE is our proprietary Raft Isolation System. It's a dynamic system that can change its isolation properties through a series of complicated thermal reactions. While it's enormously complex, its benefits are simple: the faster it reacts, the better it isolates. The Ohio-Class XL+ has a performance advantage in this regard too.

More silence truly is more golden. Welcome to sonic truth. Welcome to Ohio-Class XL+.


All orders are processed within 48 hours from date of order.

We offer Free Ground Shipping on all orders regardless of size.  

  • If you would like to receive your order quicker you can request Express shipping during Check-Out in the Comments section.  Additional charges will apply.
  • In-stock items are shipped from our Vancouver warehouse and will reach major Canadian cities in 5-7 business days.
  • Items not in stock will either ship from one of our manufacturer partners' warehouses or in rare cases first must be sent to Vancouver and then to you.  
    • If the expected arrival to you will be more than 7 business days you will be notified by email and at that point you will have the option to proceed or if you cannot wait then order can be cancelled.

Returns Policy 

We will gladly:

  • (a) exchange a product that is not special ordered, or shipped from one of our partner warehouses, for a new product of equal value (product purchased must be unopened)
  • (b) exchange a product if it is defective or damaged for the same product

within 15 days after the product has been delivered to you.

Returns for refund are not accepted.

For an exchange, you must notify us by email at We will acknowledge receipt of your email by reply and assist you in returning the product as identified below. Make sure to send and have your return package post marked within the 15 days after the product has been delivered to you.


  • Headphones may not be returned or exchanged for any reason, only defective units will be replaced for the same model
  • Items that have been opened may not be returned


Notwithstanding the foregoing, you may cancel an order if the product is not delivered to the delivery address on your order form within 30 days of the date your order is accepted.

To cancel, you must notify us by email at We will acknowledge receipt of your email and process the cancellation.

Returns Packaging:

Products returning for exchange must be unused and in their sealed, original factory packaging.

Buyer is responsible for return shipping costs.

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