Prices and Ordering

Powered Hemispheres

Alto Powered Hemisphere — $1349.00
Baritone Powered Hemisphere — $1499.00

Passive Hemispheres

Alto Hemisphere — $999.00
Baritone Hemisphere — $1149.00


Isobel Audio is relocating to the Chicago area. As a result, our operations will be irregular between July 15 and September 15. We will be able to fulfill orders, but communications may be slow and wait times may be longer than usual during this period. We apologize for any inconvenience that results.

Order Fulfillment Times

Most orders can be filled quickly, but sometimes we run low on stock and an order will take 4-6 weeks to fulfill. Please contact us for details before ordering if your order is time-critical.

Shipping Costs

Within the United States, shipping costs are typically $35 for an Alto Hemisphere and $50 for a Baritone Hemisphere.  International shipping is typically $110 for each unit.  Shipping costs specific to your order will be calculated and communicated to you after the order is placed.  The above amounts are estimates for use in your planning.


You can initiate an order by sending an email to orders (at) isobelaudio (dot) com.  Be sure to mention the items and quantities you would like to order, where they will be shipped to, and your preferred payment method.

Payment methods currently accepted:

  • Bank wire transfer
  • Credit Cards (via PayPal invoice)
  • Your PayPal account (via PayPal invoice)
  • Mailed check (payment in advance only)

If you have special requests, or any questions before you place an order, please get in touch with us.

Retail Partnering

If you are an audio retailer and are interested in selling Hemispheres in your store, let’s talk.

To our electrotap customers:

As of November 26, 2012,  Isobel Audio products are no longer being sold through Electrotap, LLC, as they wind down their business operations.  Inquiries regarding quotes requested from Electrotap, and support for orders placed through Electrotap, should now be addressed directly to us (Isobel Audio, LLC).