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CMX CSK-613HTM 6.5″ 2-Way Ceiling Speaker with ABS Back Can (30W/60W)
► 2-Way Coaxial High-Fidelity Acoustic System
► Sealed ABS Acoustic Back Can Enclosure
► 6.5-Inch Polypropylene Long-Throw Woofer
► 1-Inch Directional Silk Dome Tweeter
► Dual-Mode 100V Line & 8-Ohm Operation
► Multi-Tap Power Selection (30W-15W-7.5W-3.8W)
► Ultra-Slim Magnetic Frameless Metal Grille
CMX Audio Solutions
CMX CSK-613HTM 6.5″ 2-Way Ceiling Speaker with ABS Back Can (30W/60W)
Commercial 100V & 8-Ohm High-Fidelity In-Ceiling Loudspeaker with Sealed ABS Acoustic Back Can & Magnetic Frameless Grille
The CMX CSK-613HTM is a commercial 6.5-inch 2-way in-ceiling loudspeaker integrated with a sealed ABS acoustic back can, engineered for premium background music (BGM) and voice evacuation in auditoriums, conference rooms, high-end retail spaces, and hotels. Equipped with a 6.5-inch polypropylene bass driver, 1-inch silk dome tweeter, dual-mode 100V line transformer with 8-Ohm bypass (30W-15W-7.5W-3.8W & 8Ω), and an architectural magnetic frameless white steel grille.
Core Engineering Features
Sealed ABS Acoustic Back Can
Equipped with an integrated flame-retardant ABS back enclosure that prevents acoustic spillover into plenum spaces, protects internal driver components from ceiling dust and debris, and delivers punchy low-frequency bass response.
Dual-Mode 100V Line & 8Ω Low-Impedance Operation
Features versatile multi-tap transformer selections (30W, 15W, 7.5W, 3.8W at 100V) along with an 8-Ohm low-impedance setting (up to 60W max), offering universal compatibility with distributed high-voltage commercial lines or dedicated low-impedance hi-fi amplifiers.
2-Way High-Fidelity Transducer Array
Features a 6.5-inch hi-flex polypropylene cone driver paired with a 1-inch silk dome high-frequency tweeter, delivering extended 60 Hz – 20,000 Hz frequency response with wide 120° horizontal dispersion and 103 dB maximum SPL.
Architectural Magnetic Frameless Grille
Low-profile white steel grille attaches magnetically to the ABS baffle, concealing mounting hardware for a seamless, zero-bezel appearance in modern commercial ceiling architecture.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | CSK-613HTM |
| Speaker Type | 6.5″ 2-Way Ceiling Loudspeaker with ABS Back Can |
| Driver Configuration | 6.5″ Polypropylene Woofer + 1″ Silk Dome Tweeter |
| Rated Power Output (RMS / Max) | 30W RMS (60W Max @ 8 Ohms) |
| Power Taps (100V Line & 8Ω) | 30W / 15W / 7.5W / 3.8W & 8-Ohm Bypass |
| Frequency Response | 60 Hz – 20,000 Hz (±3 dB) |
| Sensitivity (1W / 1m) | 90 dB (±3 dB) |
| Maximum Sound Pressure Level (SPL) | 103 dB |
| Enclosure & Baffle Material | ABS Flame-Retardant Baffle with Sealed ABS Back Can (Black) |
| Grille Type & Finish | Micro-Perforated Magnetic Frameless Steel Grille (White) |
| Ceiling Cutout Diameter | Ø 205 mm |
| Overall Dimensions (Dia × Depth) | Ø 235 mm × 145 mm |
| Mounting Mechanism | 4-Point Heavy-Duty Dog-Leg Screw Clamps |
| Net Weight | 2.0 kg |
Frequently Asked Questions
What is the advantage of the sealed ABS back can on the CSK-613HTM?
The sealed ABS back can acts as an acoustic resonance chamber that enhances low-frequency bass extension (down to 60Hz), prevents sound leakage into ceiling plenum spaces or adjacent floors, and protects the crossover and driver components from dust, insulation, and moisture.
Can the CSK-613HTM be used with both 100V commercial systems and standard 8-Ohm amplifiers?
Yes. The speaker includes a multi-tap rotary switch supporting 100V power taps (30W, 15W, 7.5W, 3.8W) as well as an 8-Ohm low-impedance direct bypass (up to 60W max), allowing flexible use in distributed 100V commercial PA systems or high-fidelity 8-Ohm stereo audio installations.
What are the ceiling cutout and installation dimensions for the CSK-613HTM?
The speaker requires a standard ceiling cutout diameter of Ø205 mm. With the integrated back can, the total installation depth is 145 mm and outer diameter is Ø235 mm.
How is the magnetic frameless grille installed?
After the speaker body is secured to the ceiling cutout using the 4 rotating dog-leg clamps, the white steel grille magnetically snaps flush against the outer rim with zero visible screws or plastic bezels.
How does the CSK-613HTM differ from the standard CSK-613HT model?
The CSK-613HTM includes an integrated ABS sealed back can (extending bass response from 60Hz vs 80Hz), adds an 8-Ohm bypass mode alongside 100V taps (30W-15W-7.5W-3.8W & 8Ω), and has an increased mounting depth of 145 mm.
Engineer Your Perfect Commercial Audio & Visual Environment
Contact our AV specialists for professional product selection, system integration, and turnkey installation support.
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CMX CSK-613HT 6.5″ 2-Way Frameless Ceiling Speaker (30W)
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ProjecXive India –
The CMX CSK-613HTM 6.5″ 2-Way Ceiling Speaker with ABS Back Can (30W/60W) is an excellent choice for commercial and professional AV installations. It delivers outstanding performance, reliable build quality, and seamless integration with standard AV infrastructure. Our team at ProjecXive India has verified this product for professional commercial use. Highly recommended for system integrators and AV designers.