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Description
HK Audio CM-6 Ceiling Speaker Rear Chamber 70/100V 4 Taps 8 ohm - 6.5"The SI SERIES CM 6 is a high quality coaxial in ceiling speaker with 6. 5 polypropylene woofer midrange transducer and 1 aluminum dome tweeter. Its discreet, customizable appearance with magnetically attached white or black front grille makes it the perfect addition to the SI SERIES toolbox. A specially developed, multi stiffened steel back can guarantees complete freedom from resonance. A front operated 100 70 V transformer with bypass option and
The SI SERIES CM-6 is a high-quality coaxial in-ceiling speaker with 6.5“ polypropylene woofer/midrange transducer and 1“ aluminum dome tweeter. Its discreet, customizable appearance with magnetically attached white or black front grille makes it the perfect addition to the SI SERIES toolbox.
A specially developed, multi-stiffened steel back can guarantees complete freedom from resonance. A front-operated 100/70 V transformer with bypass option and detailed equalization via DSP ensure the highest possible sound quality.
Subwoofer models such as the SI SERIES S210 V or FINEO FO S112 (F) are available to support the bass range.
Specifications
| Characteristics | |
| Concept | Ceiling Mounted Speaker |
| Cabinet principle | Bassreflex |
| Power handling RMS | 50 W (low-Z), 15 W max. (high-Z 100 V) |
| Power handling program | 100 W (low-Z) |
| Power handling peak | 200 W (low-Z) |
| Power handling 100 V (5 taps) | 15 W, 10 W, 7.5 W, 5 W |
| Power handling 70 V (5 taps) | 7.5 W, 5 W, 3.8 W, 2.5 W |
| Nominal impedance (low-Z) ¹ | 8 ohms |
| Nominal impedance (high-Z power taps) ¹ | 650 ohms, 900 ohms, 1300 ohms, 2000 ohms |
| Max. SPL average (low-Z) ² | 108 dB |
| Max. SPL average (high-Z, 15 W tap) ² | 104 dB |
| Max. SPL peak (low-Z) ³ | 114 dB |
| Max. SPL peak (high-Z, 15 W tap) ³ | 110 dB |
| Sensitivity 1 W/1 m ⁴ | 89 dB |
| Crossover frequency | 3 kHz |
| Frequency range -6 dB | 75 Hz - 20 kHz |
| Frequency range -10 dB | 62 Hz - 20 kHz |
| Dispersion angle -6 dB (circular) ⁵ | 140° |
| Certifications | |
| Flame retarding ABS (IEC 60695-11-10/-20) class V-0/5VB | certified |
| Ball impact resistance (DIN 18032-3) | not specified |
| IP protection class (EN 60529) | not specified (indoor use only) |
| Components | |
| Low-/mid frequency | 6.5" polypropylene speaker with ferrite magnet and 1" voice coil |
| High frequency | 1" aluminium dome tweeter with neodymium magnet and 1" voice coil with ferrofluid |
| Crossover | High pass: 18 dB/octave, low pass: 12 dB/octave |
| Horn | Integrated wave guides |
| Connections | |
| Input | 2-pole Euroblock connector |
| Output/parallel output | 2-pole Euroblock connector, wired in parallel |
| Amping/Filter Sheets | |
| Filter specifications in tabular form for frequency response equalization Without limiter specifications |
Biamp Tesira BSS Lab.gruppen Lake Lab.gruppen IPD/IPX LEA Professional Linea Research Marani Powersoft QSC Q-SYS Ram Audio Symetrix |
| Mechanical data | |
| Mounting points | 3 x front-accessible mounting clamps with max. 40 mm (0.4 inch) grip range |
| Saftey features | 2 x bracket for safety wires/chains or cable fastening |
| Cover plates | 2 x cover plate included, with curved cable entries or with hole for PG gland |
| Rotary switch for power taps | 1 x front-accessible rotary switch for bypassing the transformer for low- impedance (8 ohms) operation or for power taps at 100/70 V |
| Cabinet material | Metal back-can with low-resonance, partially curved shape |
| Color | Black and white front grille included |
| Front grille | Rimless design with magnetic attachment |
| Optional accessories | C-ring and tile bridges |
| Dimensions: diameter x total depth (installation depth) | 273 x 177 (171) mm 10.75 x 6.97 (6.73) inch |
| Cut-out diameter | 240 mm (template included) |
| Weight | 3.75 kg 8.23 lbs |
| ¹ According to EN 60268-5 (minimum value not less than 80% of nominal value) | |
| ² 1 m, 10 % THD @ 100 Hz - 10 kHz, (EN 60268-21), half space | |
| ³ 1 m, 10 % THD @ 4.5 kHz, half space | |
| ⁴ 100 Hz - 20 kHz, half space | |
| ⁵ 100 Hz - 10 kHz |
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
4.7 ★★★★★
Based on 1386 reviews
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Product Reviews
★★★★★ 5
Finos y cómodos
Size: 9, Color: Taupe
Tal cual muestra la descripción y las fotos. Cumplió nuestra espectativas la compra. Finos y cómodos
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
For slim feet
Size: 13, Color: Black
Had to send both pair back. Nice shoe but their size 12 was to narrow for my feet. Pitty, as they looked and felt great in the box. Got a slender foot? Try these.
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Reviewed in the United States on March 16, 2026
★★★★★ 1
Cheap quality
Size: 11, Color: Cognac
I hardly ever leave reviews because most everything is as expected. However these shoes, although they look nice and if you apply a polish they look even better, just aren’t worth it. They are offered at a good price, but don’t live up to even that cost.
As others mentioned the stitching came undone within the 2nd day of use. I had to break out the needle to put the thread back in so they wouldn’t fall apart. That problem fixed didn’t stop the issues. Within a couple more weeks of use the leather started peeling on the tip of the shoes and thus lost all future use.
You would be better off buying a more expensive pair with better quality leather and stitching.
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Exactly What I Was Looking For
Size: 8.5, Color: Cognac
Love these shoes and were exactly what I was looking for. Stylish and go with so many different styles plus they’re extremely comfortable and lightweight.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Would recommend
These shoes have quickly become my go-to shoes for everyday wear. First off, the fit and comfort are fantastic right out of the box — no breaking-in period needed. They feel supportive without being stiff, and I can wear them all day without my feet getting tired.
I really like the look too. They strike a nice balance between casual and polished, so they work with jeans, chinos, or even smart-casual outfits. The design isn’t too loud or flashy, but they still look sharp enough for dinners, errands, or work-from-home Zoom calls.
One thing I love is how easy they are to slip on and off. No laces to fuss with, and the elastic stretch makes getting them on quick and easy — perfect for mornings when I’m rushing out the door.
They also feel versatile. I’ve worn them for walking around town, to casual office days, and even a weekend brunch, and they’ve suited every situation without looking out of place.
Overall the quality feels solid for the price — good stitching, durable materials, and so far no signs of wear after a few weeks of frequent use. Comfort, style, and convenience all in one pair.
If you want casual loafers that look good and feel great without any fuss, these are definitely worth checking out.
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Reviewed in the United States on February 3, 2026