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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
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Description
PRIMA 6X9" COAX SPEAKERS PAIRAdditional Details The APX 690 features an exclusive 40 mm horn loading dome tweeter that contributes to maximize efficiency up to 96dB SPL and an acoustics lens specifically designed and applied to the tweeter to increase dispersion in the high frequency range. To strengthen the emission of very high frequency ranges otherwise affected by off axis positioning compared to the listening point, the APX 690 featuring a supertweeter. Features Horn Loaded
Additional Details
The APX 690 features an exclusive 40 mm horn loading dome tweeter that contributes to maximize efficiency up to 96dB SPL and an acoustics lens specifically designed and applied to the tweeter to increase dispersion in the high frequency range.To strengthen the emission of very high frequency ranges otherwise affected by off-axis positioning compared to the listening point, the APX 690 featuring a supertweeter.
Features
- Horn Loaded Tweeter: 40 mm horn loaded dome tweeter
contributing to its incredible efficiency of up to 96 dB SPL. - Acoustics lens applied to the tweeter, specifically designed to
increase dispersion in the high frequency range. - PEI (Polyethylene injected) super tweeter employed to strengthen
emission of very high frequency ranges otherwise affected by
off-axis positioning common to rear deck installations. - Water-repellent treated paper cone, featuring a profile developed
with FEM (Finite Element Method) simulation technology and
optimized with the Klippel Scan Vibrometer. - Pure copper mobile voice coil, wound on Kapton former, for
better thermal and mechanical capacity. - TPU (thermoplastic polyurethane) sphere with unique “triple wave” profile for maximum linearity of excursion.
- Polycotton spider material ensuring reliable performance and
linear response to musical transients. - Large motor assembly, optimised with FEM (Finite Element Method)
technology, for stable control and linear excursion. - Low carbon content plates for maximum magnetic permeability
and high heat dissipation. - Compact basket, protected by abrasion-resistant and scratch-proof
coating, the motor affixed with damping epoxy adhesive. - High current fast-on terminal with temperature resistant plastic
cover, protecting it against accidental short circuits. - Developed with the KLIPPEL suite.
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
4.9 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 4
Decent quality
Size: Medium, Color: Grey
It’s flatter than pictured but overall quality is great.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Comfy
Size: Medium, Color: Grey
Love it, has Velcro so doesn’t shift and when I took it out of vacuum bag thought it wouldn’t be good but after 24 hours puffed up and feels like soft memory foam. Perfect for a chair I have with a lower back. A big thumbs up
January 25, 2025: I change this to a 4 star, after using there are white silk like strings coming off the material onto my hair. Not sure why!!!!!!!!
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Wish The Adhesive Pad Worked With Leather
Size: Medium, Color: Grey
The pillow is comfortable but the adhesive pad on it needed to be more sticky for leather.
I still give five stars because they reached out and offered to help with a full refund, and asked for pictures to help identify the problem.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Made a great pillow better.
Had an awesome pillow but if I didn't fluff it before going to sleep my neck would hurt the next morning. Ordered this and put about 70% into a cardboard box to expand then shoved it into my pillow. Its been great 👍 put the rest in another pillow. Had no scent. My pillows are king sized.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Great for refreshing old memory foam pillows
Our memory foam pillows are 2 years old and need a little refreshing. We purchased this and was able to refresh both pillows to firmer than new condition.
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Reviewed in the United States on April 15, 2026