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Description
3 WAY SYSTEM KITTree way system features AP 1 tweeter, AP 4 mid bass and AP 6. 5 woofer. APK 163 system deserves special attention; the Audison designers developed a separate crossover dedicated to each speaker, simplifying OEM speaker replacement operation, negating the routing of additional cables through the door, which could void the car warranty. To ease the installation in OEM placements the woofers are equipped with high current fast on terminals with double
Tree way system features AP 1 tweeter, AP 4 mid-bass and AP 6.5 woofer. APK 163 system deserves special attention; the Audison designers developed a separate crossover dedicated to each speaker, simplifying OEM speaker replacement operation, negating the routing of additional cables through the door, which could void the car warranty. To ease the installation in OEM placements the woofers are equipped with high current fast-on terminals with double contact on positive and negative poles for high flexibility and quick connection.
Features
- AP 1 tweeter with 26 mm diameter diaphragm combined with a wide-roll surround provides maximum efficiency and reduced resonance frequency.
- AP 1 tweeter with acoustic lens designed to compensate for and fine tune the in-car frequency response anomalies in the 10kHz 13kHz bandwidth caused by restrictive OEM grilles in critical OEM placements.
- Dedicated crossovers for each component: APCX TW compact tweeterpassive crossover optimized for OEM Integration featuring an attenuation switch (0 dB, +2dB) to tune the in-car response according to different installation conditions; APCX MD midbass crossover and APCX WF woofer crossover. The passive crossovers boast very reduced dimensions and are optimized for OEM Integration.
- AP4 midbass with extended frequency response, combined with high efficiency.
- AP 6.5 woofer with 32 mm pure copper voice coil, for high power handling and outstanding low frequency control.
- AP 6.5 woofer and AP 4 midbass with water-repellent treated paper cone, featuring a profile developed with FEM (Finite element Method) simulation technology and optimized with the Klippel R&D Scan Vibrometer.
- AP 6.5 woofer and AP 4 midbass with reduced mounting depth, providing ease of installation in OEM placements.
- Woofer AP 6.5 and midbass AP 4 with TPU (thermoplastic polyurethane) edge, featuring the unique shallow “TripleWave” profile for maximum linearity of excursion.
- AP 6.5 woofer and AP 4 midbass with compact basket, protected by abrasion-resistant and scratch-proof coating, the motor affixed with damping epoxy adhesive.
- AP 6.5 woofer with high current fast-on terminal with double contact on positive and negative poles for high flexibility and quick connection. The terminal features 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
4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
good vendor
Size: 60 Count (Pack of 1)
fabulous slow release ,,,, good quality
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Good value and quality
Size: 30 Count (Pack of 1)
Excellent quality and the perfect size for my small pet to swallow. I like knowing it didn't have a lot of unnecessary chemicals and additives as well.
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Reviewed in the United States on December 26, 2025
★★★★★ 3
Not good
Size: 30 Count (Pack of 1)
Didn’t help and I woke up with a headache. Natrol 1 mg time release is better for me but it’s not available any more.
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Reviewed in the United States on October 9, 2025
★★★★★ 5
Best I've used yet.
Size: 60 Count (Pack of 1)
I like the slow release. It works great for all night relaxation.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Wow
Format: Paperback
A great book to sit back and read to learn about the origins our ancient ancestors. Very informative and interesting.
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Reviewed in the United States on October 4, 2025