300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection
$21.99
300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection

300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection

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$21.99

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Product Description

Features:
1.With delay and DC protection (default 1.8V control, DC sensitivity can be adjusted)
2. This common power DC protection board uses an optocoupler. Since the optocoupler has input and output isolation,
3. Electrical signal transmission has the characteristics of unidirectionality, so it has good electrical insulation and anti-interference ability.
4. Since the input end of the optocoupler belongs to the low-resistance type of current type operation, it has strong common mode suppression capability.
5. The power and sound source are separated, and the sound source will not be affected!
Protection board parameters:
Voltage input: DC12-16V or AC12-16V
Channel design: independent three channels
Can withstand power: power within 300W*3
Size: 97*51*17MM
 
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 power (red) indicator light, the work indicator light is normal, the relay is closed, if the protection board automatically adjusts the suction time (waiting for the current to pass through the relay)!
3. The power supply can be the same as the power 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 j-oint v-enture S-ongle relay as the core component is not afraid of contact sparking and oxidation, and lossless transmission of sound!
6.Suitable for 2.1 three-channel class D, class A, discrete power amplifiers.
Package included:
1 x Digital Amplifier Speaker Protection Board 

More Detailed Photos:

300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection
300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection
300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection
300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection
300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection
300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection
300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection
300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay Speaker Protection Module Boot Delay DC Protection

Additional Information

When you order from Alexnld.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order’s shipment. You can choose your preferred shipping method on the Order Information page during the checkout process. Alexnld.com offers 3 different international shipping methods, Airmail, Airmail registered and Expedited Shipping Service, following are delivery times:

Airmail and Airmail Registered Area Time
United States, Canada 10-25 business days
Australia, New Zealand, Singapore 10-25 business days
United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
Italy, Brazil, Russia 10-45 business days
Other countries 10-35 business days
Expedited Shipping 7-15 business days to Worldwide

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