Top Positive Review for Amplifier,Speaker on Banggood UK|Shopping UK

UPC1237 Speaker Protection Board for Hifi Amplifier DIY Directly Mounted on the Chassis AC12-24V 8,86€ 9,23€ View It

Overall:

Geoff 17/07/2020

This is a fine, useful product, well-designed and well manufactured. Excellent value. HOWEVER... Don't do what I did and try to use it with a popular and inexpensive Power Amp (e.g., 15W TDA7297 Dual-Channel Amplifier Board) which has outputs which do not share a common (usually ground) connection. Connecting the protection circuit to both speaker outputs of such an amp will very quickly destroy it by shorting the outputs, which must always remain isolated from each other. Be careful!

Comments (3)

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Raja kindly post a picture
Reply 07/11/2020

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Marcello It can be connected no problem, let only the positive ( ) pass through the device and connect each single negative directly to each speacker .
Reply 15/11/2020

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SHINUNARAYANAN this one only mono channel?
Reply 12/12/2020

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