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Quick Details

  • Brand Name: Kentmax
  • Model Number: MA-550
  • Type: Professional Amplifier, Wholesale Professional Subwoofer 500 Watt Amplifier
  • Channels: 2 (2.0)
  • Place of Origin: Guangdong, China (Mainland)
  • Power 8Ω: 500W*2
  • Power 4Ω: 800W*2
  • SNR: 89dB
  • Size: 483H*480D*88H
  • MOQ: 30 pcs
  • Port: Guangzhou, China
  • Frequency response: 20Hz-20KHz
  • Warranty: One Year
  • Product Category: Pro Amplifier, Power Audio Amplifier, Home Amplifiers, Pro Speakers

Packaging & Delivery

Packaging Details Carton, box, wooden, customized package, safety packaging for Wholesale Professional Subwoofer 500 Watt Amplifier
Delivery Time Shipped in 20 days after payment
Related Products

Product Description


Wholesale Professional Subwoofer 500 Watt Amplifier - Kentmax Brand

OEM/ODM - Manufacture - Quality option - CE/ROHS/FCC




Power 8Ω


Power 4Ω


MA Series 

300W - 1500W

Frequency response


Signal to noise 


Input sensitivity




Product Size


Packaging size



Professional Power Amplifier

Payment termsT/T, Western Union, MoneyGram, D/P, etc.
Optional functionsBluetooth, Channels, USB/SD, FM, AM, etc.
Delivery timeAbout 20 working days for large quantity.
SupportOEM/ODM, Certifications; Sample for testing.



          Inquiry for Clear Quotation 






Company Information


Our Services

Dear, why not send us an inquiry now?





1. Are you manufacturer?

Yes, we are audio products manufacturer located in Guangzhou, China.

Welcome to visit our factory.

2. Is sample order available? Is free sample available?

Firstly, sample order is available. Secondly, for new clients, we will return the sample fee after big order placed.

3. What’s your warranty period?

Our warranty period is 12 months. We will give 1% easy-worn accessories to you before shipment. If there are many products have problem, our technician will go to your country to maintain, but that situation almost won’t appear. 

4. What’s your payment terms?

We accept Western Union and Bank Transfer. 30% deposit in advance, balance 70% before shipment.

5. Where is your main market?

Our main customers are from Southeast Asia, South America, North America, Western Europe, Africa and other countries. 

6. How many days do you need to prepare the goods?

We need about 3 working days for the ready goods, about 20 working days for large quantity.


Product Category: 

Power Amplifier; Audio Amplifier; Professional Amplifier; Switching Power Amplifier; Digital Amplifier; Class D Digital Power Amplifier; Stereo Amplifier; Class H Amplifier; Karaoke Amplifier; Home Amplifier; USB SD Amplifier; Bluetooth Amplifier; Mini Amplifier; FM Amplifier; Tube Amplifier; Power Speaker; Professional Speaker; Power Subwoofer; Professional Subwoofer; Passive Speakers; Active Speaker; Line Array; Pro Audio; Professional Audio; Wireless Microphone; Conference Microphone; Professional Digital Processor, etc.

(Amplificatore professionale, Altoparlante amplificatore audio digitale, Amplificatore di potenza professionale)

(Amplificador, Amplificateur,Verstärker, Amplifikatör, Amplifikatör, Amplificatore, Pengeras,  Penguat)

(Pembicara, Redner, Orateur, Nagsasalita, Alto falante, Altavoz, Altoparlante, Konusmaci)

(Grande de la etapa sistema de audio, Alta potencia exterior de audio amplificador de audio)

(2016 neues produkt ph-Serie professionelle audio leistungs verstärker)

(Puissant 2.0 home amplificateur de puissance avec usb sd)

(FP9000 anahtarlama güç kaynagi amplifikatörü ses)







Transaction History of the Supplier

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Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
1 Transactions 100+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $28,000
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