Высокоэффективный модуль усилителя мощности класса D с

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Характеристики

Hight Efficiency Class D Plate Power Amp Module With Subwoofer Amplifier Module

 

 

Features:

Class-D switch power hight efficiency design with new surface mount technology & low power consumption at standby mode.

 

Specifications:

 

Model No	DA-250	DA-350	DA-500
Output Power	250W RMS @ 4 Ω	350W RMS @ 4 Ω	500W RMS @ 4 Ω
Standby Power	Total<0.5	Total<0.5	Total<0.5
Total Harmonic Distortion	<1%	<1%	<1%
Line Level Input Sensitivity	150mV	150mV	150mV
Balanced Input Sensitivity			150mV
Hight Level Iutput Sensitivity		2.5V	2.5V
Hight Level Output Sensitivity		2.5V	2.5V
Signal To Noise Ratio	>100dB	>100dB	>100dB
Frequency Respones	25Hz~160Hz	15Hz~160Hz	15Hz~160Hz
Variable Low-pass Crossover	40Hz~160Hz(12dB/OCT)	40Hz~150Hz(24dB/OCT)	40Hz~150Hz(24dB/OCT)
Built-in Hi-pass Crossover	20Hz(12dB/OCT)	15Hz(12dB/OCT)	15Hz(12dB/OCT)
Built-in Bass Booster	+4dB @ 36Hz	+5dB @ 25Hz	+5dB @ 25Hz
Built-in Phase	0°/180° Switch	0°/180° Switch	0°/180° Switch
Built-in Auto Power Switch	ON/AUTO	ON/AUTO	ON/AUTO
Protect	Cliplimit ,DC, Short, Circuit	Over Current, Overheat
Operating Voltage	115Vac/230Vac SWITCHABLE	115Vac/230Vac SWITCHABLE	115Vac/230Vac SWITCHABLE
Dimension(W*H*L)	252*200*98mm	252*200*98mm	252*200*98mm

 

 

Established in 1998, Vistron Audio with over 20 years of focusing on research-design-manufacturing-marketing and engineering service in the field of audio products.

Mainly cover: 
-Power amplifier (Wireless audio amplifier, subwoofer amplifier, amplifier plate, etc);
-Speakers (WiFi/Bluetooth speaker, Active/passive speaker, subwoofer, sound bar,etc);
-Wireless audio (DAB, WiFi amplifier, WiFi streamer, etc);
-DJ equipment (DJ mixer, CD player, Midi controller);
- The same time, our strength are OEM and ODM. 
OEM is our main business line, we have OEM for over 100 brands all over the world. 
ODM is also one of our R&D business item too, we make the products according to your design and requirements.

 

We are professional factory with about bridle-wise more than 200 workers, and 6000 square meters acreage. Equipped with strong capabilities in R&D, qualified engineering teams with rich experience in audio products, SMT line, technical and mechanical backup , and we have strict QC standard (AP,LMS ,aging testing…) and experienced sales support.

At Vistron, we are committed to providing the highest level of customer service, competitive pricing, speedy delivery and a comprehensive, cutting-edge product offering.

Our ultimate goal is your satisfaction.
Words cannot express all, just trust us and we will be the right audio partner you need!

 

 

 

 

 

R&D

We are professional audio products manufacture for 10 years.

Our R&D team dedicated to the creation of new and innovative products, can fulfill our customers' specialized OEM orders.

 

OEM and ODM

 

 We have several experienced engineers to meet your demands, make your ideas tothe real products!

1).Shells----make different Logo,Color,Print,etc. for shells;
2).Solution ----make products with different functions;
3).Accessories ----make products with different language manual,port etc;

4).Other Requirements.Just Contact me.Skype:vistronaudio

 

QC

 

We pay attention to Hight Ouality.

All raw materials and accessories must be tested before entering production facilities.

Mass production will begin only if the products have been tested and have passed inspection.

During mass production, personnel will periodically check products to ensure randomized testing.

Before shipping,our QC will check it again strictly to ensure the High Quality.

All products 100% QC before shipment.

 

Warranty&Reture

 

We offer one_year warranty for our products.

As long as there's no man-made problem,usually we can just add some pieces in your next order.

 

 

 Professional service

 

best production capability, best quality control,Best Service.

What we can provide to you is not only just the products ,but also the satisfying service.

Well-trained and experienced staffs to answer all your questions in time.

 

 

 

 

 

Q: How to process an order?What about price?

 

 A:Please send an inquiry or contact with us online, after receiving your inquiry we wil reply you with prices and information;Or catalog with full prices.

 

 

Q:I can get a samples?

A:We are honored to offer you samples for testinng before placing order.

 

 

Q:Could I have logo on the products and packing?

A:Totally acceptable, OEM service grown up for many years,,thank you.

 

 

Q:Could you produce the products as my idear?

 A:Of course, we have experienced engineers to design the expected items as you want , we have much experience at ODM.

 

Q:What is your payment term?

A:For sample:T/T , Paypal,west union;

   For production :T/T,L/C,or negotiable term.

 

 

Q:What would the delivery time be?

A:Regularly 30 days after order confirmed, or we can talk details case by case

 

 

Thanks for your time and welcome contact me!