Gold Member Since 2010
Audited Supplier
Guangzhou Skytone Audio Co., Limited

Bass Bin, Subwoofer Dual 18, Professional Speaker manufacturer / supplier in China, offering Stx828s Dual 18 Subwoofer Waterproof Bass Bin, Vera S18 Subwoofer Chinese Design Professional Line Array Subwoofer, Skytone Vera 12 Inch Passive Line Array DJ Sound System and so on.

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Supplier Homepage Product Professional Speaker Stx828s Dual 18 Subwoofer Waterproof Bass Bin

Stx828s Dual 18 Subwoofer Waterproof Bass Bin

FOB Price: US $460-480 / Piece
Min. Order: 2 Pieces
Min. Order FOB Price
2 Pieces US $460-480/ Piece
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Port: Guangzhou, China
Production Capacity: 200PCS/Month.
Payment Terms: T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: STX828S
  • Hi-Fi: Hi-Fi
  • Operation Mode: Wire / Remote Control
  • Speaker Material: Birch Plywood
  • Certification: CE, RoHS, CCC
  • THD: <0.005%
  • Frequency Response: 37 Hz-120 Hz
  • Power Rating: 2000W
  • Finish 2: Envrionmental Water-Bassed Paint
  • Spl: 138dB
  • Recomend Amplifier: 1800W-2000W
  • Transport Package: in Carton Case
  • Origin: Guangdong, China
  • Noise: <95dB
  • Activity: Passive
  • Speaker System: 2 Way Bass
  • Application: Professional Performance
  • Monitor: Non
  • System Type: 2-Way Bass Bin
  • Lf: 2X18"
  • Finish: Polyurea Finish
  • Impedance: 4 Ohms
  • Connector: 2X Nl4 Speaker
  • Trademark: Skytone
  • Specification: 1PCS/CTN
  • HS Code: 8518210000
Product Description
STX828S unbelieveable big power  subwoofer dual 18

Bass bin 
Speaker subwoofer 
Dual 18" subwoofer speaker box 

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.
Stx828s Dual 18 Subwoofer Waterproof Bass Bin


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.


1. 18 inches Super Woofer for extended low-frequency output.
2. Large port area for reduced distortion.
3. Imported polyurea paint 
4. 14-Gauge steel grille lined with acoustically transparent cloth.

Inside woofer 
Stx828s Dual 18 Subwoofer Waterproof Bass Bin

Stx828s Dual 18 Subwoofer Waterproof Bass Bin

Stx828s Dual 18 Subwoofer Waterproof Bass Bin

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 Dual 18 Subwoofer Waterproof Bass Bin

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