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Description
SA221SSynergy Active Subwoofer This powerful dual 21 inch subwoofer is the perfect low end companion to the Synergy Array series, Yorkville Sound's largest and most powerful point source system to date. The SA221S can be combined directly with an SA153 as an independent system or in combination with the SA153 and SA315S setup as a 5 way system. Features Bass Reflex powered subwoofer: 6000 Watts (program), 17,000 Watts (peak) 2 x 21 inch Neodymium woofers
Synergy Active Subwoofer
This powerful dual 21-inch subwoofer is the perfect low-end companion to the Synergy Array series, Yorkville Sound's largest and most powerful point-source system to date. The SA221S can be combined directly with an SA153 as an independent system or in combination with the SA153 and SA315S setup as a 5-way system.
Features
- Bass Reflex powered subwoofer: 6000 Watts (program), 17,000 Watts (peak)
- 2 x 21-inch Neodymium woofers with 4.5-inch voice coil
- Exceptionally high output and deep bass
- Measured MAX SPL (C-Weighted, Max Hold): 130.6dB continuous, 142.6dB peak
- Frequency response (Hz +/- 3db): 28Hz-100Hz
- Crossover frequency (Hz): 50 and 100 Hz low-pass
- Made in Canada
Specifications
| Active or Passive | Active |
| Power Rating (Watts) | 6000 Watts Program, 17000 Watts Peak |
| Measured Max SPL (C-Weighted, Max Hold) | 130.6 dB Cont. 142.6 dB Peak |
| Frequency Response (Hz +/- 3dB) | 28 - 100Hz |
| Crossover Frequency (Hz) | 50 or 100 Hz lo |
| Cabinet Configuration | Bass Reflex |
| Driver Configuration | 2x21-inch LF woofer |
| LF Driver(s) | 21-inch Neo with 4.5-inch Tetra Coil |
| LF Power Rating(Watts) | 6000 Watts Program, 17000 Watts Peak |
| LF Impedance (Ohms) | 2 amplifiers, 4 ohms per amplifier |
| LF Protection | Excursion, Voice Coil Thermal (RMS) |
| LF Power Amplifier (Watts) | 6000 Watts Program, 17000 Watts Peak |
| LF Amplifier Type | Class D |
| Cooling Scheme | Convection |
| Power Cable | Removable Locking Powercon True Input and Loop Thru Output |
| Power Switch | Yes |
| Power Consumption (typ/max) | 1440 VA / 1920 VA |
| 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,8dB (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 | Multi-ply 15mm Birch Plywood |
| Stacking Feature | Rubber Feet and Cups (Side and Bottom) |
| Covering / Finish | Paint |
| Other Details | 4 x Locking Swivel Casters On Rear Of Cabinet, 2 Stand Adapters (1 Top, 1 Side), 2 UHMW Skid Glides On Rear |
| Dimensions (DWH xbackW, inches) | 32.750 (37.750 including casters) x 29.750 x 47.5 |
| Dimensions (DWH xbackW, cm) | 83.2 (95.8 including casters) x 75.5 x 120.6 |
| Weight (lbs/kg) | 370/168 |
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
4.6 ★★★★★
Based on 1161 reviews
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Product Reviews
★★★★★ 5
Effective serum that improves skin texture and hydration
Size: 16 Fl Oz (Pack of 1), Size: 16 Fl Oz (Pack of 1)
I have been using this serum consistently and I can see a clear improvement in my skin. It feels smoother, more hydrated, and more even in texture. It is lightweight, absorbs quickly, and does not irritate my skin. It works well with my other skincare products and I will continue using it. I highly recommend it for anyone looking to improve their skin.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Gentle Cleanser That Works Well for Daily Use
Size: 16 Fl Oz (Pack of 1), Size: 16 Fl Oz (Pack of 1)
My husband has been using this cleanser as part of his daily routine, and it has been a simple and reliable option for keeping his skin clean without feeling dry or tight. The formula is gentle and easy to use consistently.
Skin type: normal skin
How it’s used: morning and night as a daily face wash
What we liked:
• Texture: smooth, lotion-like consistency that spreads easily
• Gentleness: cleans without leaving the skin feeling stripped
• Hydration: skin still feels soft and comfortable after rinsing
• Fragrance-free: no strong scent, which is nice for everyday use
• Ease of use: works well as a basic, no-fuss cleanser
Things to note:
• This is a gentle cleanser, so it doesn’t foam much
• Best suited for normal to dry skin rather than very oily skin
Results after a few weeks:
With consistent use, his skin has stayed balanced and comfortable without feeling dry after washing.
Overall:
This has been a dependable everyday cleanser that’s easy to use and gentle on the skin. It’s a good option for anyone looking for a simple, fragrance-free face wash that doesn’t leave skin feeling tight.
Best for:
• normal to dry skin
• daily morning and night use
• anyone wanting a gentle, non-foaming cleanser
Update: Added photos to show texture and packaging.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Perfect for Sensitive Skin Without Feeling Heavy
Size: 3 Fl Oz (Pack of 1)
I have very sensitive skin and finding a facial moisturizer that hydrates well without causing irritation can be a challenge. This one has been fantastic. It feels lightweight going on but still gives enough moisture that my skin stays soft and comfortable all day. No strong fragrance, no burning, no breakouts, just simple and effective skincare.
I also really like that it layers well under makeup and doesn’t leave my face feeling greasy or sticky. The ceramides and hyaluronic acid make my skin feel healthier and more balanced overall. Vanicream continues to be one of the few brands my skin consistently tolerates well. I’ve already repurchased this and will keep using it.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Good for sensitive skin, zero fragrance, leaves skin soft and moisturized!
Size: 3 Fl Oz (Pack of 1)
I got this to go along with my Vanicream sensitive skin cleanser, and I'm very happy with it! It is a little more liquidy than cream-like, but it absorbs into skin well and leaves it feeling soft and moisturized. Great for sensitive skin and completely free of fragrance, with a shorter ingredient list that gives me more peace of mind. Very pleased with this, try it!
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Great Value for a Good Moisturizer (5- Stars)
Size: 3 Fl Oz (Pack of 1)
This moisturizer contains nothing fancy — and that’s the whole point. The ingredients are few but effective, with several ceramides and hyaluronic acid for deep and long-lasting hydration. Best of all, it contains no silicones or parabens. Because it’s noncomedogenic, it doesn’t cause breakouts from clogged pores. Since I have sensitive skin, all of the above are critical for my skin care routine.
It’s about as simple and as effective as a cream can get. Because of that, it doesn’t contains any sunscreen, retinol, or other anti-wrinkle components.
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Reviewed in the United States on May 18, 2026