Spectrumtek Apex Pro Series
The Spectrumtek Apex Pro Series Super Slim LED Light Bar features a revolutionary 48mm ultra-slim profile with premium CREE 2W LED chips and 14D precision reflector technology. Available in eight sizes (7"-50") with straight or curved configurations, this professional series delivers 168m-320m beam range with superior aerodynamic efficiency, reducing wind resistance and fuel consumption for commercial fleets, off-road enthusiasts, and professional applications.
• 48mm Ultra-Slim Profile: Revolutionary aerodynamic design reduces wind resistance and improves fuel economy
• Premium CREE 2W LEDs: Automotive gold standard, 50,000+ hour lifespan
• Complete Range: Eight sizes 7"-50" in straight or curved configurations
• 14D Precision Reflector: Professional driving beam with 168m-320m range
• IP68/IP69K Certified: Dual waterproof protection for submersion and high-pressure washing
• Universal Voltage: 9-32V DC operation for 12V and 24V systems
• Advanced Protection Systems: Polarity reversal, overvoltage, and vibration resistant engineering
• Professional Construction: Die-cast aluminium housing with PC polycarbonate lens
Size
CREE LEDs
Power
Output
Beam Range
12V Draw
Weight
7"
9×2W
18W
1,080 lm
168m
1.5A
1.2kg
14"
19×2W
36W
2,160 lm
187m
3.0A
1.9kg
20"
27×2W
54W
3,240 lm
204m
4.5A
2.6kg
26"
36×2W
72W
4,320 lm
227m
6.0A
3.4kg
32"
45×2W
90W
5,400 lm
248m
7.5A
4.2kg
38"
54×2W
108W
6,480 lm
265m
9.0A
5.0kg
44"
63×2W
126W
7,560 lm
286m
10.5A
5.8kg
50"
72×2W
144W
8,640 lm
320m
12.0A
6.6kg
Note: All specifications independently tested. 24V current draw is 50% of 12V rating.
LED Technology
Premium CREE 2W High-Efficiency Chips
Colour Temperature
6000K Bright White (Daylight Quality)
Operating Voltage
9-32V DC (12V & 24V Compatible)
Profile Dimensions
48mm Height × 53mm Width (Ultra-Slim)
Beam Pattern
Professional Spot (Concentrated Distance)
Optical Design
14D Precision Multi-Faceted Reflector
LED Lifespan
50,000+ Hours (CREE Rated)
Housing Material
Die-Cast Aluminium Alloy
Lens Material
Optical-Grade PC Polycarbonate
Waterproof Rating
IP68 (1.5m submersion) + IP69K (High-pressure)
Operating Temperature
-40°C to +85°C (-40°F to +185°F)
Polarity Reversal Protection
Integrated MOSFET Protection System
Overvoltage Protection
Surge and Spike Protection Circuitry
Vibration Resistant
Shock-Mounted LED Components
Configurations
Straight (7"-50") | Curved (20"-50")
Certifications
CE | EMC | RoHS | IP68 | IP69K
Warranty
24-Month Full Manufacturer Warranty
Traditional LED light bars (75-85mm height) create significant aerodynamic problems. The Apex Pro's revolutionary 48mm profile delivers measurable benefits:
• Reduced Wind Resistance: 40% lower profile dramatically reduces aerodynamic drag
• Improved Fuel Economy: Documented savings in UK fleet testing
• Minimal Wind Noise: Quiet operation at all speeds reduces driver fatigue
• Professional Appearance: Low-profile design integrates seamlessly with modern vehicles
Professional-grade CREE 2W LED chips deliver automotive industry gold standard performance. Trusted by Mercedes-Benz, BMW, and Audi, CREE technology provides 50,000+ hour lifespan, superior light quality with 6000K bright white output, and consistent performance from -40°C to +85°C. No colour shift or output degradation over product lifetime.
• Maximum lumens per watt efficiency
• Temperature stable performance in extreme conditions
• Reduced eye fatigue with natural daylight quality
Polarity Reversal Protection
Integrated MOSFET protection prevents damage from incorrect wiring connections. This professional-grade system responds in microseconds, safeguarding LED drivers and components from reverse polarity. Critical for field installations where battery polarity mistakes can occur.
Overvoltage Protection
Surge and spike protection circuitry guards against voltage transients common in vehicle electrical systems, particularly during alternator load dump conditions or jump-starting. Protects sensitive LED driver circuitry from damage, ensuring long-term reliability.
Vibration Resistant Engineering
Shock-mounted LED components and robust die-cast aluminium construction withstand extreme vibration and impact encountered in off-road, agricultural, and industrial applications. Tested to automotive standards for proven long-term reliability in demanding conditions.
Military Grade Breather Valve
Military-specification Gore-Tex membrane breather valve maintains internal pressure equalization while preserving IP68/IP69K certification. Prevents condensation buildup and lens fogging during rapid temperature changes common in UK weather. Breathable yet waterproof design allows air exchange while blocking water ingress to 1.5m depth, eliminating moisture accumulation that degrades light output. Temperature stable from -40°C to +85°C with IP69K-compatible placement for high-pressure washing resistance.
Straight Bar
• Bull bar, A-frame mounting, front bumper integration, grille guards
• Available: 7", 14", 20", 26", 32", 38", 44", 50"
Curved Bar
• Roof bar mounting (follows roof line), modern SUV and 4×4 integration
• Available: 20", 26", 32", 38", 44", 50"
• IP68: Complete submersion to 1.5m with total dust sealing
• IP69K: High-pressure washing resistant (100 bar, 80°C)
• Testing: Independently verified through accredited IEC 60529 laboratories
Installation Requirements
• Wiring: Dedicated relay with fuse protection (10A-15A depending on size)
• Cable Gauge: 2.5mm² (7-20"), 4.0mm² (26-38"), 6.0mm² (44-50")
IMPORTANT: Designed for off-road use. Not approved for UK public roads under Construction & Use Regulations 1986. Professional installation recommended.
Warranty & Certifications
• 24-Month Warranty: Full coverage for manufacturing defects, LED failures, seal issues
• CE Conformity: EMC and LVD compliance certified
• RoHS Compliant: Environmentally responsible, no restricted materials
Spectrumtek specialises in professional automotive LED lighting with over 15 years of combined engineering experience. We maintain direct relationships with CREE and premium component suppliers, ensuring genuine components and consistent quality across our product range. Serving commercial fleets, off-road enthusiasts, and professional applications throughout the United Kingdom and Europe.
Technical Support: support@spectrumtek.co.uk
Sales Enquiries: sales@spectrumtek.co.uk
Website: www.spectrumtek.co.uk