300W Digital Amplifier Speaker Protection Board 2.1 Channel

Detailed Information About The Product:

1. This common pow er DC protection board uses an optocoupler. Since the optocoupler has input and output isolation
2. Electrical signal transmission has the characteristics of unidirectionality so it has good electrical insulation and anti-interference ability.
3. Since the input end of the optocoupler belongs to the low-resistance type of current type operation it has strong common mode suppression capability.
4. The pow er and sound source are separated and the sound source will not be affected!

Note:
1. The protection board uses 1.6 thick 1A copper surface double-sided tin plating process the input voltage is DC12V-16V or AC 12-16V.
2. Turn on the pow er red indicator light the work indicator light is normal the relay is closed if the impact protection board automatically adjusts the suction time waiting for the current to pass through the relay!
3. The pow er supply can be the same as the pow er amplifier. Each of the three channels of the audio source is independent. It is suitable for non-common ground and BTL circuit amplifiers.
4. The terminal block is 7.62 pitch and the 1/2W metal film exceeds the standard. The internal resistance is reduced for high current design!
5. The ​relay ​as the core component is not afraid of contact sparking and oxidation and lossless transmission of sound!
roduct description:
With delay and DC protection default 1.8V control DC sensitivity can be adjusted
Protection board parameters:
Channel design: independent three channels
Can withstand pow er: pow er within 300W x 3
Material:PC+Metal
colour:as described

Package Contents:
1 * Speaker Protection Board

Only the above package content other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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