4 Ohm 1800W RMS Church Sound Systems Dual 18 - inch Bass / Outdoor
High power double 18' subwoofer with very compact design
Can be used for both fixed installations and mobile applications
The horn loaded design guarantees a nice, punchy bass reproduction
Perfect for clubs, discotheques, stage, rental, Pro-DJ, ...
Very strong plywood enclosure with:
Durable, scratch resistant, painting
Heavy duty rubber feet
Steel front grill
Fixing points on the back panel for optional wheels
Equipped with 2 high power 18" woofers
A perfect match with 2x RS-15 cabinets
The SB28 contains two 18'' direct radiating LF transducers
integrated into a bass-reflex tuned enclosure. The specially
designed 18'' transducers provide an exceptional cone excursion
capability combined with low thermal compression even at the very
highest operating levels. The bass-reflex vents feature a
progressive profile allowing laminar airflow.
SB28 sub-woofer utilize two brand-special and long stroke woofers,
its voice coil and magnetic circuits is double of normal
sub-woofers, its 900W high power of each driver. There is no
airflow noise which may occur in ordinary ones when working with
1. Large outdoor live concerts performance
2. Mid-size and Small Venues
3. Small-scale stage performance
4. Night club, bar
5. Hall, Stadium, theater, Auditorium
6. Professionals and sound system hire companies
7. Other entertainment performance place
|Frequency Response||30Hz-250Hz( ± 3dB)|
|Peak Power||3600 W|
|Enclosure Material||High-strength Plywood|
|Cabinet Finish||Germany Water Paint|
|Protective Grill||Black Perforated Steel with Acoustic Fiber Inside|
About RKB Audio:
Guangzhou Hongxiang Audio Equipment Co., Ltd. was founded in 2011
and located in Panyu District,Guangzhou.The factory has over 200
employees,whom are well experienced specializing in
designing,developing and producing of professional speakers,
passive line array speakers, passive two-way speakers, passive
subwoofer speakers, professional amplifiers and other audio
Base on steady quality,competitive price,good service,we enjoy good
market in domestic and oversea such as US and South
America,Europe,Africa,South East Asia,Middle East,Australia.
With the great efforts of continuous improvement,development
research by our well experience R&D persons,our factories
always develops with a high starting point and high standards to
achieve the market demand.We sincerely hope to cooperate with
customers from all over the world.
Q1: Can you do OEM / ODM for customers?
A1: Of course, for the product design and package, our engineer can
be design as your request, Any kind of logo printing or design are
Q2: Which exhibition do you attend?
A2: Prolight+Sound Guangzhou
Q3: Can I have one sample to test?
A3: Yes, if you need,we’ll try to provide you one sample before
Q4: What is your warranty for your products?
A4: One year since delivery and 1% free spare parts(For
speakers),And we can replace If the defective is confirmed to
caused by our quality