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Description
Hertz Cento CK 165 - 2 Way 165mm Component Speaker SystemComponent System Size mm (in.) 165 (6. 5) Power Handling Continuous W 95 Power Handling Peak W 285 Impedance Ohm 4 Tweeter diaphragm mm (in.) 26 (1) Woofer Voice Coil mm (in.) 25 (1) Tweeter Voice Coil mm (in.) 20 (0. 8) Sensitivity dB SPL 93 Frequency Response Hz 55 22,5k Crossover Cut off 2,5 kHz @ 12 dB Oct. Crossover Type 2 Way Passive Crossover Weight of one component Woofer 0,96 (2. 12) Weight of one component Tweeter kg (lb) 0,03 (0. 07) Weight
| Component | System |
| Size mm (in.) | 165 (6.5) |
| Power Handling - Continuous W | 95 |
| Power Handling - Peak W | 285 |
| Impedance Ohm | 4 |
| Tweeter diaphragm mm (in.) | 26 (1) |
| Woofer Voice Coil Ø mm (in.) | 25 (1) |
| Tweeter Voice Coil Ø mm (in.) | 20 (0.8) |
| Sensitivity dB SPL | 93 |
| Frequency Response Hz | 55 ÷ 22,5k |
| Crossover Cut off | 2,5 kHz @ 12 dB Oct. |
| Crossover Type | 2 Way Passive Crossover |
| Weight of one component - Woofer | 0,96 (2.12) |
| Weight of one component - Tweeter kg (lb) | 0,03 (0.07) |
| Weight of one component - Crossover kg (lb) | 0,185 (0.41) |
| D mm | 131,5 |
| Re Ohm | 3,2 |
| Fs Hz | 60 |
| Le mH | 0,2 |
| Vas I | 13,24 |
| Mms g | 13,9 |
| Cms mm/N | 0,51 |
| BL T*m | 4,9 |
| Qts | 0,59 |
| Qes | 0,69 |
| Qms | 3,9 |
| Spl dB | 93 |
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4.0 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Very sturdy but heavy
Size: 42 inch 2 Tier, Size: 42 inch 2 Tier
Easy to put together. A little bit too heavy for Sheetrock. I had to use some bigger screws.
I love the look with my cabinet.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Incredible job very thorough
Format: Paperback
It's been 20 years since I took my FP-C exam at the Air Medical transport conference in Reno 2003. I was fortunate enough to take Lori Montanez's 12 hour review prior and to have the study guide she published. I still have that guide and it was great. You all who put this together did an incredible job in every way . It could no be better. The text the pictures everything perfect. I'm proud of you for doing such a great and professional job. Everyone should have a copy of this book either for exam prep and for regular review following their completion. Thank you.
Aaron schumaker, NR/EMT-P, CCEMT-P, PNCCT, FP-C 000324
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Reviewed in the United States on March 4, 2023
★★★★★ 5
Review
Format: Paperback
Good book to start the test prep process. Well written.
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Reviewed in the United States on April 4, 2025
★★★★★ 5
Great study material
Format: Paperback
This is an excellent book.
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Reviewed in the United States on January 20, 2025
★★★★★ 4
Follows the IA Med Course
Format: Paperback
I bought this as I am completing the IA-Med 2.0 Flight Medical Provider. Overall I am happy with the book. It follows the course, but there are some of the quiz questions at the end of the sections that aren't printed in the book.
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Reviewed in the United States on October 24, 2023