Dual 15" Passive Speaker Line Array Subwoofer System

Dual 15" Passive Speaker Line Array Subwoofer system
The LASUB is a dual 15 inch prepose horn subwoofer, can provide the 30-320Hz frequency range, designed for use with LAS full frequency speakers, the low-frequency response of the system can be extended. LASUB subwoofer used double magnet high power bass unit, without airflow noise which is different from the ordinary subwoofer, and the use of small volume and inverted box design with prepose horn, the small volume of the box greatly reduces the group delay of low frequency, can improve the low speed the sense of structure; low frequency unit can increase the frequency of the prepose horn efforts; and a large area of the inverted tube increases the output of low frequency, and reduce the nonlinear distortion of low frequency, so that the low speed, strength and thickness can be both.

The LASUB consists of two 15 inch taper low-frequency units (500 watts, 4 ohms) and an inverted phase box. The inverted hole in the center optimizes the low-frequency response and strengthens the box structure. The box is composed of panel 25mm, other 18mm birch plywood, and the surface is black flat waterproof two dichotomy paint. The 15mm splint is added on both sides of the box to protect both sides of the bolt from hitting and increase the impact strength of the box; four handles embedded with the box are installed on both sides of the loudspeaker box for easy handling.

Both sides of the box are equipped with a hanger, and the special 90 degree fan slot pre installed suspension can be directly connected with the LASUB. The top of the box jacking supporting frame can be installed using the connection LAS, the rear wiring board two parallel WP-4 socket (or NL4MP SPEAKON socket) is convenient to connect, the black perforated iron net is applied externally to the sound black gauze net, which can prevent dust and waterproof the speaker unit.



Applications:
Touring performance
Theatre & multi-function hall
Church

Feature:
75mm voice coil high-transient double magnet steel woofer
Small volume, phase & horn combination design
Can extend LAS low frequency response
Eliable and durable magnetic bolt
Space-saving wheel transportation
  


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 in the 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 of sales, 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 period of the product? 
A1: 1year warranty.
 
Q2: How long will the delivery period be? 
A2: The sample with stock 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 are accpeted. 
 
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 money in safe.

Using VA products, you will benefit from: 
1, The good construction warranty 1 year. 
2, Your client satisfied on 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 after sale.