CMX WSK-523SW – 5.25″ 2-Way Wall Mount Speaker
September 9, 2026
CMX WSK-640CS – 6.5″ 2-Way Wall Mount Speaker
► 2-Way Driver System: 6.5″ woofer and 1″ silk tweeter deliver 40W RMS of clear vocal clarity and balanced music.
► 100V/70V Multi-Tap Transformer: Rotary switch selects 40W, 20W, 10W, 5W, or 8Ω bypass for versatile commercial installation.
► Wide-Band Frequency Response: 100Hz to 20kHz acoustic bandwidth ensures smooth speech intelligibility and dynamic background music fidelity.
► High Sensitivity Output: Efficient 90±3dB SPL (@1W/1m) provides uniform commercial sound coverage while lowering amplifier power requirements.
► Stainless Steel Bracket: Supplied stainless mounting bracket enables rapid vertical or horizontal surface mounting with directional acoustic alignment.
► Durable ABS Housing: Heavy-duty ABS cabinet with black metal grille withstands demanding environments in schools, hotels, and retail malls.
► Versatile Commercial Applications: Ideal surface loudspeaker for educational campuses, corporate offices, hotel corridors, restaurants, and transit hubs.
► Contemporary Black Finish: Professional sleek aesthetic in matte black blends cleanly into modern enterprise architecture and commercial walls.
CMX Audio Solutions
CMX WSK-640CS 6.5″ 2-Way Wall Mount Speaker (40W / 100V & 8Ω)
Commercial 40W 2-Way Surface Mount Loudspeaker with 6.5″ Woofer, 1″ Silk Tweeter, Multi-Tap 100V/70V Transformer & 8Ω Bypass
The CMX WSK-640CS is a high-performance 6.5-inch 2-way commercial wall mount speaker delivering 40W RMS of articulate voice paging and rich background music. Engineered with a 6.5″ long-throw woofer, 1″ silk dome tweeter, and multi-tap 100V/70V line transformer with 8Ω low-impedance bypass, it includes a heavy-duty stainless steel mounting bracket for reliable installation across educational, commercial, and hospitality venues in India.
Ideal For
Core Engineering Features
2-Way Acoustic System (6.5″ + 1″)
High-fidelity transducer combination pairing a 6.5-inch dynamic woofer with a 1-inch silk dome tweeter for full-spectrum sound, smooth treble, and rich low-end punch.
Multi-Tap 100V / 70V & 8Ω Bypass
Rear-mounted rotary tap selector provides 40W, 20W, 10W, and 5W settings for high-voltage distributed lines, plus an 8-ohm bypass mode for low-impedance stereo amplifiers.
Robust Stainless Steel Bracket
Supplied stainless steel mounting bracket facilitates rapid horizontal or vertical surface installation with adjustable tilt for targeted acoustic sound dispersion.
Impact-Resistant ABS Enclosure
Heavy-duty ABS cabinet finished in professional matte black with a protective perforated steel grille withstands demanding commercial public address environments.
Wide 100Hz – 20kHz Frequency Band
Broad acoustic bandwidth ensures balanced music playback, exceptional vocal presence, and crystal-clear speech intelligibility across expansive listening areas.
High Sensitivity (90±3 dB SPL)
Engineered for high electroacoustic efficiency, delivering 90±3dB SPL (@1W/1m) to maximize audio coverage while minimizing amplifier power requirements.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | WSK-640CS |
| Brand | CMX Audio |
| Product Type | 6.5″ 2-Way Commercial Wall Mount Loudspeaker |
| Rated Power Output | 40 Watts RMS Continuous |
| Power Tappings (@100V / 70V) | 40W, 20W, 10W, 5W & 8Ω Bypass |
| Line Input Voltage | 100V, 70V & 8Ω Low-Impedance |
| Frequency Response | 100 Hz – 20 kHz |
| Sensitivity / SPL (@1W/1m) | 90 ± 3 dB |
| Transducer Configuration | 6.5″ Long-Throw Woofer + 1″ Silk Dome Tweeter |
| Enclosure Material | High-Grade Impact-Resistant ABS Housing |
| Grille Material | Rust-Resistant Perforated Steel Grille in Black |
| Mounting System | Supplied Stainless Steel Multi-Angle Mounting Bracket |
| Dimensions (H × W × D) | 298 mm × 218 mm × 195 mm |
| Net Weight | 3.5 kg |
| Available Color Variants | WSK-640CS (Black) / WSK-640CSW (White) / WSK-640C (100V Only) |
Frequently Asked Questions
What driver configuration is featured in the CMX WSK-640CS?
The CMX WSK-640CS features a true 2-way acoustic design comprising a 6.5-inch dynamic long-throw woofer for punchy bass and smooth midrange, paired with a 1-inch silk dome tweeter for crisp, natural high-frequency dispersion.
What power tap options are available on the WSK-640CS?
The speaker incorporates a rear-mounted rotary selector with power taps of 40W, 20W, 10W, and 5W for 100V/70V commercial distributed lines, as well as an 8-ohm bypass setting for direct connection to low-impedance amplifiers.
How is the CMX WSK-640CS mounted on walls?
The speaker comes complete with a heavy-duty stainless steel mounting bracket that allows audio integrators to mount the unit horizontally or vertically, offering tilt adjustment for precise sound targeting toward audience seating.
Which amplifiers are recommended for the CMX WSK-640CS?
The WSK-640CS works seamlessly with CMX 100V commercial mixer amplifiers (such as the CMX EA-60, EA-120, EA-240A, or PA-6120MX matrix amplifier) as well as any standard 70V/100V commercial PA amplifier or 8-ohm audio amplifier.
Engineer Your Perfect Commercial Audio & Visual Environment
Contact our AV specialists for professional product selection, system integration, and turnkey installation support.
| Rated Power Output | 40W RMS |
|---|---|
| Line Input | 100V, 70V, 8 Ohm |
| Power Tappings | 40W, 20W, 10W, 5W, 8 Ohm |
| Frequency Response | 100Hz – 20kHz |
| Sensitivity (1W/1m) | 90 ± 3 dB |
| Speaker Unit | 6.5" Woofer + 1" Silk Tweeter |
| Mounting | Supplied Stainless Steel Bracket |
| Color | Black |
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ProjecXive India –
The CMX WSK-640CS 6.5″ 2-Way Wall Mount Speaker 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.