Amplificador audio do canal do profissional 2, pré-amplificadores do poder do orador da fase, Subwoofer do karaoke, poder de Digitas, 250W, 350W

Professional 350W/450W Digital Power Amplifier 2 Channel Audio Amplifier Stage Audio Speaker Power Preamps For Karaoke Subwoofer

Technical parameter

Total Distortion：<0.005%
S/N Ratio：112dB（A-weinghting）
Frequency Response：20Hz~20kHz±/-0.25dB
Damping Factor：>1000
Switch Rate：50V/us
Damping Factor：>1000
Switch Rate：50V/us
Input Impedance：30kΩ()
Input Sensitivity：0.775v
DC Residual：<5mV
Working Voltage：90V-264V±10%，50Hz
Power Supply Voltage：100Vpeak/50Apeak

The warranty period is as follows:

power amplifier -2 years

The warranty period starts from the date of original purchase. Damage caused by human factors or force majeure is not covered by the warranty.

Terms of Service

During the warranty period, we will be responsible for repairing or replacing any defective or damaged products free of charge.
But this is only for damaged parts, if you want to replace the entire circuit board, you must pay for it.

For those that exceed the service life, we will be responsible for repairs and only charge for the replaced parts.

Shipping Costs
For all valid warranty claims, the user shall bear the shipping costs of sending replacement goods. The user shall bear the shipping costs of returning defective goods.

FAQ

1. Are you a factory or a trading company?

Shenndare Audio Equipment Co., Ltd. is a leading professional audio technology supplier. We are headquartered in Guangzhou, China, and are a manufacturer with many years of export experience. We have won an enviable reputation at home and abroad by continuously providing high-quality products and services.

2. How to ship to my country and how long does it take?
It depends on the order quantity and the shipping method, express and sea shipping are optional.
For small orders, we can ship within 3 days after receiving the payment.
For large orders, we can ship within 7 days after receiving the deposit.
Please contact us for more details :)

3. Can I make products with my own logo?
1>.Yes, we can provide you with OEM service, print your logo on the product. After confirming the order, please provide a picture of your logo.
2>. For the logo on the amplifier, screen printing logo is free.

4. I have my own ideas for the products, can you help to produce my own products?
Of course, we can provide ODM service. Please tell us your ideas and needs, our experienced engineers will customize and develop equipment for you. Without your authorization, we will not tell others that we are your supplier, nor sell your products with our own brand.

Important reminder:

Important Notice!! Import duties are borne by the buyer.

According to your country's customs laws, all imported goods are subject to customs duties. As per AliExpress rules, the buyer is obligated to clear customs and pay duties. For any customs-related questions, please contact us for assistance. Thank you!

Feedback:

Your satisfaction is our motivation. Please show the product pictures and leave us a 5-star praise,

Thank you again for your attention.

Your satisfaction is our motivation. Please show the product pictures and leave us a 5-star praise,

Thank you again for your attention.