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Our products compliment your teaching and help your students engage with key STEM concepts.

Educational Standards

Our products support provincial requirements for NGSS, AP, and more.

Power Amplifier Accessory Speaker

This kit includes a speaker and accessories used with the Vernier Power Amplifier to study mechanical waves and springs.

SKU: PAAS-PAMP Category:



The speaker contains a lightweight metal disc glued to the speaker cone. A drive post attached to the metal plate allows you to drive elastic materials such as strings and springs.

WARNING: This product can expose you to chemicals, including chromium, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, see

Speaker: 5 1/4 inch shielded woofer, 30 W max, 8 Ω impedance, 5.8 Ω DC resistance
Spring (relatively soft): Spring constant is approximately 5 N/m
Spring (stiffer): Spring constant is approximately 15 N/m

(1) 5 1/4 inch shielded speaker with an adaptable drive post
(1) elastic string
(1) braided nylon-core cord
(2) spring with different spring constants
(2) masses
(2) threaded hooks
(1) spacer

Springs Set (SPRINGS)

User Manual:
Warranty: 5-year limited warranty