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Description
SA218SSynergy Dual 18 Inch Powered Subwoofer Designed for the most discerning ear for bass, the SA218S can be combined directly with an SA153 or SA102 as an independent system or in combination with the SA153 and SA315S setup as a 5 way system. Powered by a standard 15 amp wall socket, the SA218S boasts 12,000 watts, the maximum output with this amount of power. The SA218S is voiced for all live and DJ music and excels where high output and deep bass
Synergy Dual 18-Inch Powered Subwoofer
Designed for the most discerning ear for bass, the SA218S can be combined directly with an SA153 or SA102 as an independent system or in combination with the SA153 and SA315S setup as a 5-way system.
Powered by a standard 15 amp wall socket, the SA218S boasts 12,000 watts, the maximum output with this amount of power. The SA218S is voiced for all live and DJ music and excels where high output and deep bass extension is a must.
In step with all Synergy products, the SA218S is no-compromise subwoofer, using the best 18" woofers available, the best driver-specific amplification, and optimized DSP settings.
Features
- 12,000 Watts (Peak) 6000 Watts (Program)
- 2 x 18-inch woofers with 4.5-inch voice coils
- Bass reflex design
- Measured MAX SPL (C-Weighted, Max Hold): 130.6dB continuous, 142.6dB peak
- Made in Canada
Specifications
| System Type | Active Subwoofer |
| Active or Passive | Active |
| Power Rating (Watts) | 6000 Watts Program (12000 Watts Peak) |
| Measured Max SPL (C-Weighted, Max Hold) | 130dB Cont. 142 dB Peak |
| Frequency Response (Hz +/- 3dB) | 30Hz-100Hz |
| Crossover Frequency (Hz) | 100 Hz lowpass |
| Cabinet Configuration | Bass Reflex |
| Driver Configuration | 2x18" LF woofer |
| LF Driver(s) | 18-inch Neodymium with 4.5-inch Voice Coil X2 |
| LF Impedance (Ohms) | 8-ohm Load x 2 |
| LF Protection | Excursion, Voice Coil Thermal (RMS) |
| LF Amplifier Type | Class D |
| Cooling Scheme | Convection |
| Power Cable | Removable Locking Powercon True Input and Loop Thru Output |
| Power Switch | Yes |
| Inputs | 1 XLR with 2x XLR Parallel out, Impedance 35k ohms |
| Input Sensitivity (Vrms Sine) | Line in 1.4 at center, 0.56 at max |
| Level Controls | Volume, -∞,0dB,10dB (Min, Top, Max) |
| EQ Controls | Thermal Limiter Advance for power consumption management |
| Limiter | Excursion, Thermal (RMS), Clipping |
| LED Indicators | Power, Excursion Limit, Thermal (RMS) Limit, Input Clip, Activity |
| Enclosure Materials | Multiply 15mm Birch Plywood |
| Stacking Feature | Interlocking Rubber Feet (Sides) |
| Covering / Finish | Paint |
| Dimensions (DWH xbackW, inches) | 28.872 (including Casters) x 44 x 22 |
| Dimensions (DWH xbackW, cm) | 73.33 x 111.76 x 58.88 |
| Weight (lbs/kg) | 248/112.49 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Just Love These Little Pads
Color: Ultra Soft, Size: 100 Count (Pack of 6)
I use these everyday, at least twice a day and they are perfect for applying toner, etc. The little pads absorb liquid well so you don't use too much of something, or the liquid rolls off onto the counter, they fit perfectly on the ends of my fingers, they don't leave lint on my skin, and are thin enough to be used easily and well. They do not scratch my skin, they are not rough, and they don't stick to me. I use them only once and throw away. The price of them is reasonable and a box of them is always sitting in pantry. I've used them to applying antiseptic to cuts,, giving to my husband for dotting a razor cut, and as a protector inside a jewelry pouch. I just love these little pads.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
★★★★★ 5
Great cotton rounds and a great deal
Color: Ultra Soft, Size: 100 Count (Pack of 3)
What a great deal on cotton rounds. I use this daily to tone my skin and to remove my makeup. The cotton doesn’t break up on me and it doesn’t irritate my skin.
Definitely a great choice for your cotton rounds
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
★★★★★ 5
Great Quality Cotton Rounds at a Good Price
Color: Ultra Soft, Size: 100 Count (Pack of 3)
I use these cotton rounds regularly with micellar water to remove my makeup, and they work really well. They’re soft on the skin and effective without feeling rough or irritating.
The amount you get for the price is a big plus. The rounds hold product well and don’t fall apart while using them, even when fully saturated. They make makeup removal quick and easy as part of my everyday routine.
There isn’t much to improve—they do exactly what they’re meant to do and feel reliable for daily use.
Overall, this is a solid product at a good price, especially if you go through cotton rounds often. I’d definitely repurchase.
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Reviewed in the United States on January 10, 2026
★★★★★ 4
Stitches Edges Indicate Quality
Color: Ultra Soft, Size: 100 Count (Pack of 3)
I like these ones because of the stitches edges. The cotton pad won’t fall apart or get everywhere because of the quality. Even if it’s soaked in product. Easy to use and store. There is a rough and smooth side. I use rough side more often.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Great for cleansing skin!
Color: Ultra Soft, Size: 100 Count (Pack of 3)
High quality! They are lint-free, and pretty thick; very easy to use with micellar water to cleanse face.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
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