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CMX WSK-420CSIP – Outdoor Wall Mount Speaker
► 20W RMS Output: Delivers 20W continuous audio for commercial outdoor background music and paging.
► 2-Way Acoustic System: 4-inch weatherproof woofer paired with 1-inch mylar tweeter ensures articulate sound.
► IP66 Weatherproof Ingress: Sealed ABS housing withstands heavy rain, dust storms, humidity, and UV rays.
► Multi-Tap Transformer: 100V and 70V power taps at 20W, 10W, 5W, and 2.5W.
► Low-Impedance 8Ω Bypass: Direct 8-ohm bypass switch connects to low-impedance stereo amplifiers effortlessly.
► Waterproof Cable Gland: Hermetically sealed cable entry protects copper wiring terminals from moisture corrosion.
► Stainless Steel Bracket: Rustproof 304 bracket allows flexible horizontal and vertical acoustic angle adjustments.
► All-Weather Commercial PA: Engineered for theme parks, hotel lawns, perimeter walkways, and school sports grounds.
CMX Commercial Audio
CMX WSK-420CSIP – Outdoor Wall Mount Speaker
20W 2-Way IP66 Weatherproof Commercial Wall Mount Speaker with 100V/70V Multi-Tap Transformer (20W-10W-5W-2.5W & 8Ω Bypass), 4″ Weatherproof Woofer, 1″ Mylar Tweeter, Stainless Steel Bracket, and Waterproof Cable Gland
The CMX WSK-420CSIP is an IP66 certified, 20W RMS 2-way outdoor commercial wall mount speaker engineered for harsh environmental public address, perimeter paging, and outdoor background music (BGM) installations. Featuring a precision-tuned 4-inch weatherproof mid-bass cone and a 1-inch mylar dome tweeter, the WSK-420CSIP delivers superior speech intelligibility and balanced acoustic fidelity. Equipped with an internal 100V/70V multi-tap line matching transformer (20W, 10W, 5W, 2.5W) and an 8Ω low-impedance bypass mode, a sealed waterproof cable gland, an anti-UV ABS enclosure, an aluminum front mesh grille, and an adjustable 304 stainless steel mounting bracket for lifelong rustproof outdoor performance.
Ideal For
✓ Theme Parks, Water Parks & Resort Pathways
✓ Commercial Building Perimeters & Parking Garages
✓ Swimming Pools, Gym Terraces & Sports Stadiums
✓ School Playgrounds & University Campus Walkways
✓ Industrial Yards, Loading Docks & Marine Wharves
Core Engineering Features
2-Way Acoustic Driver Integration
Equipped with a 4-inch weatherproof polypropylene mid-bass driver and a 1-inch mylar high-frequency tweeter, reproducing a wide 100 Hz to 20 kHz response with crystal-clear speech and smooth musical fidelity.
Certified IP66 Weatherproof Ingress Protection
Fully sealed ABS chassis engineered to prevent water jet ingress, airborne dust contamination, UV discoloration, and salt spray degradation across demanding tropical and seaside installations.
100V/70V Multi-Tap Transformer & 8Ω Bypass
Built-in heavy-duty transformer features rotary wattage taps at 20W, 10W, 5W, and 2.5W for 100V/70V commercial lines, plus an 8-ohm bypass switch for direct integration with low-impedance high-fidelity amplifiers.
Waterproof Gland & Hermetic Cable Seal
Rear panel integrates an industrial waterproof cable compression gland that locks speaker cables tight, preventing moisture ingress and oxidization on core copper wiring terminals.
304 Stainless Steel Adjustable Mounting Bracket
Includes a heavy-gauge 304 stainless steel U-bracket enabling horizontal and vertical aiming flexibility for targeted sound dispersion, resisting rust, corrosion, and coastal marine oxidation.
Perforated Aluminum Rustproof Mesh Grille
Acoustically transparent aluminum alloy front grille with specialized weatherproof backing protects cone transducers against wind-driven debris, insects, and harsh monsoon downpours.
Acoustic Coverage & 100V Line Tap Planning Matrix
To maintain balanced sound pressure levels (SPL) across outdoor commercial zones without amplifier clipping, system designers configure the WSK-420CSIP based on ambient background noise and listener distance:
| Application Environment | Selected 100V Tap | Acoustic Coverage Radius | Estimated SPL @ Boundary |
|---|---|---|---|
| Quiet Garden Lawns & Spa Balconies | 2.5W Tap | 3 to 4 Meters | 78 dB (Gentle BGM) |
| Outdoor Cafe Patios & Covered Walkways | 5W Tap | 5 to 6 Meters | 82 dB (Pleasant BGM) |
| Resort Pool Decks & Campus Walkways | 10W Tap | 7 to 9 Meters | 85 dB (Audible Paging) |
| Perimeter Roads, Sports Courts & Yards | 20W Tap (Full Power) | 10 to 12 Meters | 88 dB (High-Intelligibility Voice) |
| Low-Impedance High-Fidelity Stereo Zones | 8Ω Direct Mode | Near-Field / Patio | High-Fidelity Stereo Audio |
Amplifier Matching & System Compatibility
As an authorized commercial AV distributor in India, ProjecXive engineers fully matched end-to-end commercial audio systems paired seamlessly with the CMX WSK-420CSIP:
Wi-Fi Streaming Commercial Amplifiers
Drive distributed outdoor 100V speaker lines with smart LinkPlay smartphone control, Spotify, and AirPlay.
Multi-Zone Commercial Mixer Amplifiers
Route independent audio and paging to outdoor lawns, patio dining, and indoor halls simultaneously.
4-Zone Matrix Paging Systems
High-power 4-zone matrix amplifier for resorts, hotel campuses, and large outdoor commercial facilities.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | CMX WSK-420CSIP |
| Description | 4″ 2-Way IP66 Weatherproof Outdoor Commercial Wall Mount Speaker |
| Rated Power Output | 20W RMS |
| Power Taps | 20W, 10W, 5W, 2.5W & 8Ω Low-Impedance Bypass |
| Line Input Voltage | 100V, 70V & 8Ω direct |
| Transducer Configuration | 2-Way System: 4″ Weatherproof Woofer + 1″ Mylar Dome Tweeter |
| Frequency Response | 100 Hz – 20 kHz |
| Sensitivity (SPL @ 1W/1m) | 88 ± 3 dB |
| Ingress Protection Rating | IP66 Certified (Water Jet & Dust Ingress Proof) |
| Enclosure Material | UV-Resistant Heavy-Duty ABS Enclosure (Black) |
| Front Grille | Perforated Rustproof Aluminum Mesh Grille |
| Mounting Hardware | 304 Stainless Steel Adjustable U-Bracket (Included) |
| Cable Connection | Waterproof Compression Cable Gland for Hermetic Terminal Protection |
| Dimensions (H × W × D) | 220 × 162 × 145 mm |
| Net Weight | 2.2 kg per unit |
| Standard Color | Black (WSK-420CSIP) / White (WSK-420CSIPW optional) |
Frequently Asked Questions
What does the IP66 weatherproof rating mean for outdoor installations?
The IP66 rating certifies that the CMX WSK-420CSIP is completely dust-tight (6) and protected against powerful high-pressure water jets from any direction (6). It is engineered for year-round exposure to heavy monsoon downpours, coastal humidity, swimming pool splash zones, and high-dust industrial yards without acoustic degradation.
Can the WSK-420CSIP be used with standard 100V line commercial amplifiers?
Yes. The speaker features an integrated high-efficiency 100V and 70V multi-tap transformer with wattage selections of 20W, 10W, 5W, and 2.5W. This allows dozens of speakers to be daisy-chained across long commercial cable runs powered by CMX mixer amplifiers like the EA-60W, EA-120W, or PA-4120MX.
Can I connect the WSK-420CSIP to a low-impedance (8 Ohm) stereo receiver?
Yes. The rotary selector on the rear panel includes a dedicated 8Ω direct bypass position that circumvents the 100V transformer. In 8-ohm mode, you can connect the speaker directly to standard low-impedance residential or commercial stereo amplifiers for maximum audio fidelity.
How does the waterproof cable gland seal the connection?
The rear connection chamber is sealed with an industrial compression cable gland. After inserting the speaker cable and wiring into the screw terminal, the gland nut is tightened around the cable jacket, compressing a high-density rubber seal that blocks moisture, condensation, insects, and rainwater from penetrating the terminal block.
Is the mounting bracket made of rustproof material?
Yes. The speaker comes supplied with a 304 stainless steel U-bracket and stainless screws that prevent rust, corrosion, and oxidation even in saline coastal marine environments. The bracket enables smooth horizontal swiveling and vertical downward tilt aiming.
Engineer Your Perfect Commercial Audio & Visual Environment
Contact our AV specialists for professional product selection, system integration, and turnkey installation support.
| Brand | CMX Audio |
|---|---|
| Model | CMX WSK-420CSIP |
| Product Type | 2-Way Outdoor Weatherproof Wall Mount Speaker |
| Rated Power Output | 20 Watts RMS Continuous |
| Power Taps | 20W, 10W, 5W, 2.5W & 8Ω Bypass |
| Line Input Voltage | 100V, 70V & 8Ω Low-Impedance |
| Transducer Configuration | 4-inch Weatherproof Woofer + 1-inch Mylar Tweeter (2-Way) |
| Frequency Response | 100 Hz – 20 kHz |
| Sensitivity (SPL @ 1W/1m) | 88 ± 3 dB |
| Ingress Protection (IP Rating) | IP66 Certified (Dust-Tight & Powerful Water Jet Proof) |
| Enclosure Material | UV-Resistant ABS Engineering Plastic |
| Grille Material | Perforated Rustproof Aluminum Mesh Grille |
| Mounting Hardware | Adjustable 304 Stainless Steel U-Bracket Included |
| Cable Connection | Waterproof Compression Cable Gland Entry |
| Installation Type | Wall Mount / Pillar Mount / Column Mount |
| Dimensions (H x W x D) | 220 x 162 x 145 mm |
| Net Weight | 2.2 kg per unit |
| Color Options | Black (WSK-420CSIP), White (WSK-420CSIPW optional) |
| Application Environment | Outdoor Paging, Perimeter BGM, Theme Parks, Swimming Pools, Hotel Lawns |
| Compliance | CE, RoHS, IP66 Ingress Protection Certified |
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