Guangdong, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Consumer Electronics
Plant Area:
1001~2000 square meters
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available
MEI Awards

18" Subwoofer Speaker Box, Sound System, Speaker Box manufacturer / supplier in China, offering Stx828s PA Sound System Dual 18" Subwoofer Speaker Box, Vera12+ Line Array Sound System, Vrx932lap Sound System Professional Audio Active Line Array Speaker and so on.

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Supplier Homepage Products Professional Speaker Stx828s PA Sound System Dual 18" Subwoofer Speaker Box

Stx828s PA Sound System Dual 18" Subwoofer Speaker Box

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Min. Order: 2 Pieces
Port: Guangzhou, China
Production Capacity: 300PCS/Month
Payment Terms: T/T, Western Union, Money Gram
Noise: <95dB
Activity: Passive
Operation Mode: Wire / Remote Control
Speaker System: Optional Combination
Speaker Material: Birch Plywood
Application: Commercial, Professional Performance

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Basic Info

Model NO.: STX828S
Certification: CE, RoHS
Model Number: Stx828s
Power Rating: 2000 W
Frequency Range: 32 Hz-250 Hz
Sensitivity (1W/1m): 99 dB
Rated Maximum Spl: 138 dB Spl Peak
Nominal Impedance: 4ohm
Input Connectors: Two Nl4
Color: Black
Trademark: Skytone
Transport Package: Carton Case or Flight Case
Specification: CE
Origin: Guangzhou
HS Code: 8518220000

Product Description

STX828S pa sound system dual 18" subwoofer speaker box 

Dual 18" Bass Reflex Subwoofer
18" high power subwoofer system
18" subwoofer speaker box 
speakers subwoofer 
sound system 
bass bin 
pa system 
Stx828s PA Sound System Dual 18 

With us your money in safe, your business in safe.

1.  in pro audio business since 2004, with the excellent before or after-sales servive.
2. Professional research department and engineer assured the super quality 
3. Installed super ferrite magnet speakers inside 
4. 2000Watts rated power
5. Imported polyurea paint, which is  Anti-corrosive, waterproof, scratch-resistant, environmental without bad smell.


A dual 18" high power subwoofer system in a front-loaded, vented enclosure designed for maximum low-frequency performance.
The STX828 has an optional wheel kit.
Stx828s PA Sound System Dual 18


1. 18 inches Super Woofer for extended low-frequency output.
Stx828s PA Sound System Dual 18

2. Large port area for reduced distortion.
3. Imported polyurea paint 
Stx828s PA Sound System Dual 18

4. 14-Gauge steel grille lined with acoustically transparent cloth.

System type2 way 2X18" subwoofer
Frequency Range ( -10 dB)32 Hz-250 Hz
Frequency Response (± 3 dB)37 Hz-120 Hz
Sensitivity (1W/1m)99 dB
Power Rating2000 W / 4000 W / 8000 W
Rated Maximum SPL138 dB SPL Peak
Nominal Impedance
Input ConnectorsTwo NL4
Operational ModesSubwoofer
Paint564 mm x 1137 mm x 714 mm
Cabinet Imported polyurea paint
Recommend amplifier 18mm birch plywood 
WarrantyI--tech 18000 (2X1800Watts) Digital amplifier
Dimensions (H x W x D)564 mm x 1137 mm x 714 mm
Net Weight82KG


1. Large outdoor live concerts performance
2. Mid-size and Small Venues
3. Small-scale stage performance
4. Night club, bar
5. Church
6. Wedding
7. Hall, Stadium, theater, Auditorium
8. Professionals and sound system hire companies
9. Other entertainment performance place
Stx828s PA Sound System Dual 18
Stx828s PA Sound System Dual 18


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