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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
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Description
PRIMA 4" COAX SPEAKERS PAIRAdditional Details APX 4 features a concentric coaxial tweeter: with one single point of sound emission it is possible to obtain a consistent in phase response, with consequent reconstruction of the acoustic scene comparable to a system of separate woofer + tweeter. The 4 cones surround features the exclusive shallow Triple Wave profile, for maximum excursion linearity. Features Concentric Coaxial Tweeter: tweeter is mounted within the woofer with one
Additional Details
APX 4 features a concentric coaxial tweeter: with one single point of sound emission it is possible to obtain a consistent in-phase response, with consequent reconstruction of the acoustic scene comparable to a system of separate woofer + tweeter.The 4³ cones surround features the exclusive shallow Triple Wave profile, for maximum excursion linearity.
Features
- Concentric Coaxial Tweeter: tweeter is mounted within the
woofer with one single point of emission providing consistent
phase response, with an accurate recreation of the sound stage
comparable to that of a component system. - Tweeter features an acoustic lens specifically designed to
ensure an extremely linear frequency response, even in off-axis
placement, typical of in-door installations. - 32 mm pure copper voice coil, for high power handling and
outstanding low frequency control. - Overall mounting depth optimized for OEM Integration thanks
to the concentric tweeter and the low profile basket. - Water-repellent treated paper cone, featuring a profile developed
with FEM (Finite Element Method) simulation technology and
optimized with the Klippel Scan Vibrometer. - TPU (thermoplastic polyurethane) suspension with unique “triple wave” profile for maximum linearity of excursion.
- Compact basket, protected by abrasion-resistant and scratchproof coating, the motor affixed with damping epoxy adhesive.
- High current fast-on terminal with double contact on positive
and negative poles for high flexibility and quick connection. The
terminal features a 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
4.5 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
A festive shirt color
Size: 3X-Large Big Tall, Color: Blush Pink
this shirt looks very nice. and so far, is well made. the price was very reasonable too. it's hard to find a shirt that fits me. but this one is ok. I like the color I picked, most my shirts are dark, this one is festive.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Light weight and fit well
Size: 3X-Large Big Tall, Color: Sapphire Blue
Great fit and feel!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Nice shirt, great price.
Fit Type: Regular Fit, Color: White, Size: Medium
Worn it twice and I find it very comfortable. I wear it outside and casually to protect my arms and neck from the sun and find it more comfortable than a long sleeve t-shirt. The price is comparable. If I was to wear it to the office it would have to be ironed. I bought one shirt to try it and I will be buying more.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
nice quality
Fit Type: Regular Fit, Color: White, Size: Small
nice quality shirt. bought this just so i had at least one nice white button down and it's great. fits well and is a nice white color.
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Reviewed in the United States on April 11, 2026
★★★★★ 4
Nice shirt!
Fit Type: Regular Fit, Color: White, Size: X-Large
I added one of these shirts to another order just to see if they were any good. I was pleasantly surprised by the quality. It fits perfectly and looks pretty nice for a low cost casual dress shirt. Materials seem decent quality. Comfortable, soft fabric. Didn’t shrink too much in the washer and dryer. We’ll see how it holds up long term but so far so good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 12, 2025
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