![QA460 Transducer Driver [RETIRED] noshowbutton Both have UL/CB/CE safety ratings](https://cdn.shopify.com/s/files/1/1631/5609/products/QA460.2.png?v=1562851847)
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Both have UL/CB/CE safety ratings
These are useful for verifying the noise floor (see the Quick Start guide) of the QA401 and also are needed if you want to make single-ended measurements
90-264V AC inputs
See the link below about External Loads
The Cloud Database
QA460 Transducer Driver [RETIRED] noshowbutton Both have UL/CB/CE safety ratingsThe QA460 has been replaced with the QA461. The QA460 is a general purpose amplifier designed to drive everything from speakers and other reactive loads you might encounter while developing your product. Additional sense ports on the QA460 make it easy to measure speaker impedance. Simply route the sense resistor outputs of the QA460 to the right channel on the QA401, and you can make fast impedance measurements of speakers and other low impedance
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