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Eminence SIGMAPRO18-4 18in Speaker 700w 4 Ohm
Eminence SIGMAPRO18-4 18in Speaker 700w 4 Ohm
Eminence SIGMAPRO18-4 18in Speaker 700w 4 Ohm
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Eminence SIGMAPRO18-4 18in Speaker 700w 4 Ohm

Marsoni M251S
Sale price$260.00
Pay 4 payments of $65.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Eminence SIGMAPRO18-4 18in Speaker 700w 4 OhmRecommended for professional audio as a woofer in vented enclosures. Specifications SPECIFICATION Nominal Basket Diameter 18", 457 mm Nominal Impedance* 8 Power Rating* Program Power 1300 W Watts 650 W Resonance 28 Hz Usable Frequency Range 41 Hz 2. 4 kHz Sensitivity* 99 dB Magnet Weight 120 oz. Gap Height 0. 375", 9. 5 mm Voice Coil Diameter 3", 76 mm THIELE & SMALL PARAMETERS Resonant Frequency (fs) 28 Hz DC Resistance (Re) 6. 29 Coil Inductance
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 2045 reviews
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A
Verified Purchase
Amazon Customer
Grantham, US
★★★★★ 4
They sleep okay.
Style: Original, Size: Standard/Queen
Wish pillows was more firm but they are okay. Just more firmer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 10, 2025
N
Verified Purchase
Nicole M Tusa
Grantham, US
★★★★★ 5
Definitely beats sleeping on the floor!
Color: Grey, Size: Twin
I was sleeping on the floor with my dog after she had emergency surgery and this helped me get through those tough couple of weeks. Comfortable and not too heavy. Comes with a bag to store it in and helps make it easier to move around.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
E
Verified Purchase
Ellen H.
Cuba, US
★★★★★ 5
Comfy
Color: Grey, Size: Cot
Very comfortable even for large children and adults.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
S
Verified Purchase
sandra
Alexandria, US
★★★★★ 4
Good quality
Color: Grey, Size: Queen
Stays frim. Great for visitors when they spend the night. Easy to store.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
S
Verified Purchase
Susan Vergnani
West Palm Beach, US
★★★★★ 5
Comfortable folding mattress
Color: Grey, Size: Twin
Thickness is great, very comfortable. Adult grandson uses it when he sleeps over. Would recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026

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