The SM Series by ACLON is an extended range of active and passive speaker systems with
plywood cabinet offering the renowned ACLON sound and
a high-level performance in a reliable and affordable package.
suit for outdoor live concert

Our advantages
1. Imported USA component, USA technology.
2. Fast production lead time;
3. High quality and competitive price;
4. Professional factory. Workers are working with rich experience and good workmanship.
5. Product sound and performance it can compare with international famous brand.
FAQ
1. Q: Are you a factory or trading company?
A:We are a factory, specialized in professional audio equipment.
2. Q: Where is your factory located? How can I visit there?
A:Factory located in Haizhu Town , Guangzhou City, Guangdong Province in China. Takes about 1 hour from airport to our factory.
3. Q: How does your factory do regarding quality control?
A:Quality is priority. Each production process must be checked by QC team and QA before departure.
4. Q: Can you accept customized orders? OEM or ODM orders?
A: Yes, we can. Customized orders are always welcomed, as well as OEM and ODM.
5. Q:Can you make customers' logo on products and customer design?
A:Yes, we can, and customer's design are welcome .
6. Q:.Which country is your main export market?
A: Our main export regions are USA, Canada, Guatemala, Mexico, Germany, UK, Sweden, Hungary, Vietnam, Indonesia, Malaysia, Kenya, Ghana etc.
7. Q:.What if I can't find the infos I'm looking for, or what if I want to speak to someone directly?
A: Send message now, feedback will be got promptly or latest within 12 hours.
C: Call us: +86 137 1007 3998
plywood cabinet offering the renowned ACLON sound and
a high-level performance in a reliable and affordable package.
suit for outdoor live concert
Title | Specification | |||
System Type | Subwoofer | |||
Products Model: | SM 18S | SM 218S | SM221S | SM321S |
LF driver unit Inch(aluminium frame) Voice Coil Diameter | 1 x 18" (φ100mm) | 2 x 18" (φ100mm) | 2 x 21" (φ125mm) | 3 x 21" (φ125mm) |
Magnet type size | ferrite,φ220mm | ferrite ,φ220mm | ferrite ,φ280mm | ferrite ,φ280mm |
Rated Power(RMS) | 700W | 1500W | 3600W | 5200W |
Programe Power /Peak Power | 1100W /2100W | 3000W /4500W | 6000W /9000W | 9000W /13000W |
Sensitivity (SPL 1m-1W)Nominal | 99 dB | 100dB | 100dB | 100dB |
Nominal Peak SPL @ 1m RMS | 129 to 135dB | 132 to 139dB | 132 to 139dB | 132 to 139dB |
Frequency Response( ±3dB) | 42Hz - 250Hz | 41Hz - 250Hz | 41Hz - 250Hz | 41Hz - 250Hz |
Usable Range at-6dB | 40Hz - 280 Hz | 38Hz - 290Hz | 38Hz - 290Hz | 38Hz - 290Hz |
Recommended Amplifiers | 800W | 1300W | 1500W | 2200W |
Crossover Frequency point | 120Hz | 80-150Hz | 80-150Hz | 80-150Hz |
Nominal Impedance | 8 Ohms | 4 Ohms | 4 Ohms | 4 Ohms |
Harmonic distortion | <=0.05% | |||
Input output Connector terminals | 2 *NL4MP Speakon, ( Input Pin±1=±1 , Pin±2= ±2 Link&Out ) | |||
Outlook Colours | Black or White for choosen | |||
Protective Grille | Perforated steel grille | |||
Appearance | Textured Polyurethane painted finished | |||
Enclosure material | Baltic Birch 15&18 mm Plywood finished | |||
Rigging -Flyings Handle | 2 integral to cabinet handle, subwoofer have 4 pocket handle | |||
Fittings Installation | 12x M8 threaded insert , standard spacing | |||
Stand fittings | Built in Stand Fitting, 35mm (1"3/8) mounting pole socket | |||
Dimension W*H*D (mm) | 570×830×695 | 570×1310×805 | 1060*780*590 | 1560*780*805 |
Shipping Dimensions (mm) | 650x910x775 | 650 x 1390x880 | 1120*840*650 | 1620*840*880 |
Net Weight (1pcs) | 56kg (123 lbs) | 93 kg (204lbs) | 106kg | 136kg |
Shipping Weight (1pcs) | 59 kg (129 lbs) | 97 kg (213lbs) | 112kg | 142kg |

Our advantages
1. Imported USA component, USA technology.
2. Fast production lead time;
3. High quality and competitive price;
4. Professional factory. Workers are working with rich experience and good workmanship.
5. Product sound and performance it can compare with international famous brand.
FAQ
1. Q: Are you a factory or trading company?
A:We are a factory, specialized in professional audio equipment.
2. Q: Where is your factory located? How can I visit there?
A:Factory located in Haizhu Town , Guangzhou City, Guangdong Province in China. Takes about 1 hour from airport to our factory.
3. Q: How does your factory do regarding quality control?
A:Quality is priority. Each production process must be checked by QC team and QA before departure.
4. Q: Can you accept customized orders? OEM or ODM orders?
A: Yes, we can. Customized orders are always welcomed, as well as OEM and ODM.
5. Q:Can you make customers' logo on products and customer design?
A:Yes, we can, and customer's design are welcome .
6. Q:.Which country is your main export market?
A: Our main export regions are USA, Canada, Guatemala, Mexico, Germany, UK, Sweden, Hungary, Vietnam, Indonesia, Malaysia, Kenya, Ghana etc.
7. Q:.What if I can't find the infos I'm looking for, or what if I want to speak to someone directly?
A: Send message now, feedback will be got promptly or latest within 12 hours.
C: Call us: +86 137 1007 3998