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

Dual 18" Subwoofer, Subwoofer, Professional Speaker manufacturer / supplier in China, offering Stx828s Unbelievable Power Outdoor Dual 18" Subwoofer, Skytone DRM-7 Multi-Function Drum Microphone, DRM-7 Musical Instrument Drum Microphone Set and so on.

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Supplier Homepage Product Professional Speaker Stx828s Unbelievable Power Outdoor Dual 18" Subwoofer

Stx828s Unbelievable Power Outdoor Dual 18" Subwoofer

FOB Price: Get Latest Price
Min. Order: 2 Pieces
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
  • 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
  • Noise: <95dB
  • Activity: Passive
  • Speaker Material: Wood
  • Certification: CE, RoHS, CCC
  • THD: <0.005%
  • Frequency Response: 37 Hz-120 Hz
  • Power Rating: 2000W/4000W/8000W
  • Finish 2: Envrionmental Water-Bassed Paint
  • Spl: 138dB
  • Recomend Amplifier: 1800W-2000W
  • Transport Package: in Carton Case
  • Origin: Guangdong, China
Product Description
STX828S Unbelievable power outdoor dual 18" subwoofer

Dual 18'' Subwoofer
Dual 18" Bass Reflex Subwoofer
Dual 18" high power subwoofer system
Pro audio
audio speaker
dual 18" loudspeaker

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.

1. 18 inches Super Woofer for extended low-frequency output.
Stx828s Unbelievable Power Outdoor Dual 18

2. Birch plywood cabinet 
Stx828s Unbelievable Power Outdoor Dual 18

3. Imported polyurea paint 
Stx828s Unbelievable Power Outdoor 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

Here we promise:
Quality and reputation is first.
Service is best.
Delivery on time.

Large outdoor live concerts performance
Mid-size and Small Venues
Small-scale stage performance
Night club, bar
Hall, Stadium, theater, Auditorium
Professionals and sound system hire companies
Other entertainment performance place

Stx828s Unbelievable Power Outdoor Dual 18

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