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DC speaker protect circuit.

150WRMS into 4 ohms or 300WRMS into 8 ohms.
Mains powered.
Uses solid state relay for longer life.
Four second power on anti thump delay.
If unit see DC for about 500mS it disconnects amplifier from speaker
£14.99 plus p+p
p+p is £4.50 to uk. £9.99 to Europe and £17.99 to rest of world.
I have 2 for sale.
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