Please see all COVID-19 updates here as some shipments may be delayed due to CDC safety and staffing guidelines. If you have an order or shipping question please refer to our Customer Support page. For technical questions please check out our Forums. Thank you for your continued support.


Member Since: June 29, 2011

Country: United States

  • Just finished watching the According to Pete videos for his stereo system (awesome) and I have this kit in my cart awaiting purchase. My one (newbie) question is why do you need an op-amp for the L and R channels before it hits the STA540 (especially with a gain of only 2x from the op-amp)? The STA540 has a 10x amplifier; why not just feed the source audio signals into the STA540? Will the source device not provide sufficient current to drive the STA540 or are you just using the op-amp for filtering?

  • I really tried not to be a pest and ask this but I am waiting on these to place my order. Any idea when they will be in stock again?

  • It looks like the datasheet does not call for a current limiting resistor for the LED but at the same time I do not see one anywhere in the specs. Has anyone hooked it up to see if it does or does not require the resistor?

No public wish lists :(