Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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For Your Every Summer RSVP, with Code: SUMMER15
Description
SMD - Impedance Meter / Signal Generator IM-SG+Some Uses Of The DAmore Engineering SMD IM SG+ (Impedance Meter Signal Generator PLUS). Precision AC Impedance Meter Frequency range: 10hz 20khz All New Auto lock feature does the stopping (top or bottom) for you! Low, Mid, High frequency range for more precision. New, Super smooth operation of the frequency knob Min Max impedance hold function Obtain a driver's T S Parameters* Quickly and safely locate stock speakers (and locations) in the vehicle.
Some Uses Of The D’Amore Engineering / SMD IM-SG+ (Impedance Meter / Signal Generator PLUS).
- Precision AC Impedance Meter - Frequency range: 10hz-20khz
- All New Auto-lock feature does the stopping (top or bottom) for you!
- Low, Mid, High frequency range for more precision.
- New, Super smooth operation of the frequency knob
- Min/Max impedance hold function
- Obtain a driver's T/S Parameters*
- Quickly and safely locate stock speakers (and locations) in the vehicle.
- Determine speaker crossover set points
- Find tuning frequency of passive radiator
- Quickly determine frequency of any enclosure (sealed, ported, bandpass, etc) using Auto-lock
- Quickly find the Fs of any speaker using auto-lock for proper tuning of that driver.
- Find box volume, even odd shaped sealed enclosures!
- Test impedance of long wire runs
- Test impedance of RCA Cables (down to 10milliohms)
- Find crossover frequency of passive crossover networks**
- Locate annoying rattles in vehicle
- Easily output any frequency to an amplifiers input, and amplify it.
- Quickly and easily determine frequency changes to an enclosure after modifying the volume or adding/removing polyfill
- Pink noise generator
- Used in conjunction with an SMD AMM-1, quickly determine "box rise" at a specified frequency.
- Improved battery life, Double that of the original IMSG!
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
4.5 ★★★★★
Based on 837 reviews
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Product Reviews
★★★★★ 4
Very fluffy and comfortable.
It only stays cool for a few minutes. It is a very comfortable pillow.
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Reviewed in the United States on December 13, 2025
★★★★★ 5
Double Sided Cooling Pillow
Color: Blue, Size: King(2 Pack)-20'*36'
I truly love these pillows. They are sent with extra filling so if their not firm enough you can add more and if their to firm you can remove some. You can make these pillows to your liking. They fluff right back up. Their comfortable and you really get your moneys worth. I love them.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Fantastic pillows
Color: Blue, Size: Standard(1 Pack)-20'*26'
Fantastic pillows----never get headaches like others
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Recommend this product
Color: Blue, Size: Queen(2 Pack)-20'*30'
I bought these for my boyfriend who is a hot sleeper. They are super thick & comfortable. The pillow stays cool & has a great texture. They didn’t have a bad smell. Bought these 3 years ago & they are still like brand new, durable
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Reviewed in the United States on May 11, 2026
★★★★★ 3
Good, but not life-changing
Color: Blue, Size: Queen(2 Pack)-20'*30'
These pillows are decent but not amazing. I like that they’re adjustable and come with extra fill, so you can make them softer or firmer depending on how you sleep. The cooling side feels nice at first, but it doesn’t stay super cool all night. They’re comfortable enough, but not a huge upgrade from regular pillows. Good, just not life-changing.
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Reviewed in the United States on February 26, 2026
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