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2 Year
$299.99
3 Year
$449.99
5 Year
$949.99
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Review Summary
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500
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Active Bass Reflex Subwoofer
42 - 120 Hz
138 dB
Omnidirectional
2x 18" (45.72cm)
4" (10.16cm)
Digipro G3
Class D
2700W
1800W
3600W
Analog/Digital
Peak, RMS, Thermal
90 / 120 Hz
24 dB/Octave
28-bit/56-bit DSP
Subwoofer level, Subwoofer setup (Delay, Polarity), X-Over, Outputs Mode
2x XLR
2x XLR X-Over Out/ Link Out
At 1/8th of power in medium use conditions: 2.45A / 290W (220-240V) - 4A / 290W (100-120V)
At 1/3rd of power in maximum use conditions: 5.25A / 680W (220-240V) - 8.57A / 660W (100-120V)
Full-power rated absorption: 6A (220-240V) - 12A (100-120V)
With speaker on in no-signal condition (idle): 41W
Inrush current: 88.67A
Total current and power allowed in a daisy-chained system: 10A / 2300W (220-240V) - 3A / 330W (100-120V)
Plywood
NC-machined
4 (2x Side)
Yes, 36mm (1.42") (provision: M20)
500 x 1210 x 530mm (19.69 x 47.64 x 20.87")
59.8kg (131.84 lbs)
Experience the unparalleled power and precision of the SIGMA S218, a top-tier addition to the SIGMA series, renowned for its professional-grade live amplification capabilities. This active bass reflex subwoofer is meticulously designed to complement the SIGMA S115 F, creating a harmonious full-range cluster that excels in both live performances and installed sound applications.
The SIGMA S218 is outfitted with a pair of robust 18" woofers, each featuring a 4" voice coil, delivering a rich, resonant bass that truly brings your audio to life. Powered by a CLASS D Digipro G3 2700W PRG, this subwoofer ensures high-quality sound reproduction with minimal distortion, even at high volumes.
One of the standout features of the SIGMA S218 is its dual input and output system, which offers the flexibility of mono or stereo configuration. This allows for a tailored sound experience that suits your specific needs and preferences.
Furthermore, the SIGMA S218 is equipped with on-board Phase and Delay controls. These features provide you with the ability to fine-tune your system in any situation, ensuring optimal performance from this powerful yet precise PA system.
In summary, the SIGMA S218 2700W Active Bass Reflex Subwoofer is more than just a piece of audio equipment; it's a testament to SIGMA's commitment to delivering superior sound quality and innovative design.