Here at Smith & Larson Audio, we make a long-term commitment to our customers. We strive to continually add new features, improve our products and incorporate feedback we receive from you. With our unparalleled upgrade options, we also make a commitment to your continued education and development in the world of audio.

For example, if you are thinking about getting into speaker building, our upgrade path allows you to start out with an inexpensive, quality product to try out your new hobby. Later, if you decide that you want to delve deeper into speaker building, you have the option to upgrade to a professional product without having to learn a new software interface and at a great price.

Or, if you are already an accomplished speaker builder owning a WT2, but are not quite ready to commit to a Woofer Tester Pro, you will know that when you buy a Speaker Tester, it will be easy to upgrade to a Pro later on.
Compare Product Features
Woofer Tester 2 Customers    
Upgrade to a Speaker Tester Receive a 10% Discount on a Speaker Tester.
Upgrade to a Woofer Tester Pro Receive a 10% Discount on a Woofer Tester Pro.
Speaker Tester Customers  
Upgrade to a Woofer Tester Pro For $350, upgrade your software to WTPro-level features and receive a 10 watt 10 ohm calibration and a 0.5 ohm 10 watt current sense resistor. This offer does not include a new test unit.

Compensation service
How to take advantage of these offers? Contact Sales
  • All customers, who purchased a Woofer Tester 2 or Speaker Tester directly from our website,

  • All customers who purchased a Woofer Tester 2 from a third-party vendor such as Harris Tech Audio or who bought it under the "TENMA SMI" and "Dayton Audio Woofer Tester 2" names

  • Offers do not apply to purchases from Ebay

  • Customers must own a Woofer Tester 2 or Speaker Tester for at least 90 days before becoming eligible for any of these offers
If you bought your Woofer Tester 2 from a third-party vendor, we require a copy of your sales receipt as proof or purchase. Please mail it to: Smith & Larson Audio, PO Box 56443, Virginia Beach, VA 23456, U.S.A.

Terms These offers cannot be combined with any other discount offers.

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