Dual 18 Inch Professional Audio Subwoofer

Dual 18 Inch Professional Audio Subwoofer
S28 is a dual 18 inch inverted phase subwoofer which can provide 23-250Hz frequency range. It is designed for large line array system or other full frequency speakers, and can expand the low-frequency response of the sound reinforcement system.

S28 subwoofer uses a new design of high power double magnet bass unit, the unit with a good ventilation magnetic structure, effectively reduce the unit work in the high power state temperature, reducing the speaker power compression phenomenon. The exponential phase inverted tube body design, without airflow noise which is different from the ordinary subwoofer, greatly increasing the output of ultra low frequency energy, and reduce the frequency of nonlinear distortion; 18 inch low frequency unit uses rigid cone paper cone and pure copper wire winding sound coil, so that the sound intensity and thickness of the sound box can be shared.

There are 2 ergonomic iron handles on both sides of the S28 box, with two hanging points on both sides, so the utility model has a variety of installation; the bottom of the box is equipped with two rectangular nylon rubber feet, there are 2 rectangular rubber foot grooves at the top to facilitate the use of subwoofer stacking.

The surface of the box body is wearable black water point paint, the whole box uses 25mm birch plywood, the black perforated iron net is applied externally to the sound black gauze net, which can prevent dust and waterproof the speaker unit.S28 uses with DSP8 processor can achieve the continuous sound pressure level of output of the 136dB, according to the use requirement can choose dolly orflycase.



Applications:
Touring performance
Stadium
Theatre

Feature:
1200W (AES) LF driver
Thick & elastic lows
With28Hz~180Hz frequency response
Mounted wear-resisting Nylon bar
With efficient hanging function
  


Concord was founded in 1996, used to be Guangzhou Concord Trading Co.,LTD and was renamed in 2008 as Concord Organization, management, technology, sales staff of 200 people, is China one of the largest institutions in professional entertainment lighting, sound R&D, production, sales and engineering.

In 2017, Concord sound system is constantly expanding inthe China, created the VA brand audio system and sold all over the world, the rapid growth of the VA brand to promote the sound system in the past years, the implementation of the new plant expansion to meet the growing needs of the sales network, and institutional innovation, increase investment in research and development of high-tech technology, Italy CNC, ABB machine, automatic spray painting robot of modern production, ensure product quality, environmental protection, safety etc.

VA sound system has a wide range ofsales, and has become one of the largest manufacturer of sound and light products in professional entertainment places in China and become the first place in the production, sales and engineering of professional karaoke equipment in China.


Since its establishment twenty years ago, it has been devoted to design, research and development, production, sales and related services. We always adhere to the management philosophy of "honesty, fairness, efficiency and win-win", and adhere to the corporate culture of "unity, hard work, mutual love and sharing", and have always been in steady development.

FAQ:
Q1: How long is the warranty periodof the product? 
A1: 1year warranty.
 
Q2: How long will the delivery period be? 
A2: The sample withstock can be shipped within 3 days, and the container order will be shipped within 10~20 days. (Full payment needs to be received before shipment.)
 
Q3: What kind of payment do you accept?
A3: T/T, Western Union, Cash areaccpeted. 
 
Q4: What's the MOQ? 
A4: MOQ is 4pcs.
 
Q5: Do you accept OEM or ODM order?
A5: Yes, we accept OEM & ODM order.
 
Q6: Why should I choose you? 
A6: Quality is our culture. With us your business in safe, your moneyin safe.

Using VA products, you will benefit from: 
1, The good construction warranty 1 year. 
2, Your client satisfiedon the right schedule and quality. 
3, Your client continued orders. 
4,Your can get good reputation from your market and obtain more orders. 
5, Our professional service before and aftersale.