Why are Quad Lasers Popular? What are the Class 4 Laser Gold Standard Laser Wavelengths?

Modern Class 4 laser therapy systems started with a single wavelength. Then they moved to a dual wavelength platform because each wavelength provides different therapeutic benefits. Now the 4-wavelength Quad laser is extremely popular because the combination of multiple wavelengths can deliver optimal results across a wide range of symptoms and conditions.

Customers frequently ask, “what are the best wavelengths?” Each wavelength interacts with tissue differently, offering unique benefits in terms of penetration depth, cellular response, and therapeutic outcomes. Below is a breakdown of the five most preferred gold-standard wavelengths used in advanced therapeutic lasers.

The 650nm Wavelength (Red Light)

650nm is the classic red laser wavelength, widely recognized for its effectiveness in superficial and soft-tissue applications.

• Best suited for skin conditions, wound healing, burns, wrinkle reduction, pore refinement, and elastin/collagen stimulation.
• Exhibits strong anti-bacterial, anti-viral, and anti-herpetic properties.
• Penetrates approximately 1–2 inches (depending on power output).
• Highly beneficial in chiropractic care for neurological support, scalp and body acupoint therapy, lymphatic drainage, and small joint treatment.
• Excellent for hair loss, rashes, acne, herpes, shingles, and other dermatological issues.
• A 200mW (see Remy Sport), 300mW (see Remy FX) or 500mW (see UltaLaser) Red Laser is significantly more powerful and clinically effective than the older 10–40mW red laser units highly promoted to Chiropractors in the $12k-$16K range. For reference, there are 1000mW in 1 Watt (W).

The 810nm Wavelength (Near-Infrared)

810nm is considered by many laser experts (including Dr. Michael Hamblin and Dr. Weber) to be the sweet spot for photobiomodulation (PBM).

• Provides an optimal combination of penetration depth and photochemical reaction.
• Maximizes interaction with mitochondria, boosting ATP production more efficiently than most other wavelengths.
• Enhances oxygen binding and transport by red blood cells (via hemoglobin activation).
• Supports long-term tissue regeneration, muscle and tendon repair, and overall rehabilitation.
• Promotes healthy calcium distribution between the cell cytoplasm and mitochondria, aiding cellular communication and function.

The 915nm Wavelength: Vasodilation & Nerve Healing

915nm has gained strong popularity in advanced Class 4 systems for its powerful effects on circulation and nervous tissue.

• Strongly stimulates vasodilation and nitric oxide production, improving blood vessel relaxation and flow.
• Enhances micro-circulation and oxygen delivery, especially beneficial for extremities.
• Excellent support for nerve healing and conditions such as peripheral neuropathy.
• Provides rapid analgesic (pain-relieving) effects while supporting deep tissue metabolism and ATP production.
• Works synergistically with other wavelengths to reduce inflammation, ease pain, improve circulation, and promote muscle relaxation.

The 980nm Wavelength

980nm has been the most popular wavelength in Class 4 lasers for decades, prized for fast clinical results.

• Excellent for rapid pain relief and reduction of inflammation.
• Much of its energy is absorbed by water and blood in the tissue, producing a mild warming effect that promotes circulation and muscle relaxation.
• Influences calcium distribution by decreasing mitochondrial calcium while increasing cytoplasmic calcium.
• Delivers quick analgesic effects and helps stimulate local blood flow.
• While slightly less efficient than 810nm for pure photobiomodulation, it remains a gold standard for acute pain and inflammatory conditions.

The 1064nm Wavelength: Deepest Penetration

1064nm offers the deepest tissue penetration of all therapeutic wavelengths and is ideal for treating deep musculoskeletal and neurological structures.

• Experiences minimal absorption by melanin or pigmentation, making it safe and effective for all skin types.
• Reaches several inches into the body, including deep muscles, joints, spine, organs, and even brain tissue.
• Stimulates collagen production in joints and spinal tissues.
• Delivers powerful “pain-melting” effects with minimal surface heating.
• Supports deep cellular metabolism and has shown potential to upregulate cerebral oxygen metabolism and hemodynamics, with emerging benefits for brain health, cognitive performance and TBI recovery.

INTRODUCING Our 4-Wavelength Quad Lasers: The Gold Standard in Class 4 Therapy. Choose from 7 different REMY or UltaLaser QUAD 4-Wave Models.

At Class4Lasers.com, we specialize in advanced 4-wavelength Quad lasers that combine the most effective therapeutic wavelengths (typically 650nm, 810nm, 980nm and 1064nm or 915nm) in a single powerful system. These multi-wavelength devices allow you to treat superficial skin or nerve conditions, deep musculoskeletal, joint and spine issues, and everything in between — all with one versatile laser.

Here are our top Quad-wavelength Class 4 laser systems:

REMY FX Elite Quad Series (Premium High-Power Performance with 650/810/980/1064 Waves)

• REMY FX Elite 90W Quad — $24,995 (reg. $29,995) View Product & Details →
• REMY FX Elite 45W Quad — $21,995 (reg. $25,995) View Product & Details →

REMY Sport Series (Ideal for Physical Therapy & Sports Medicine with 650/810/980/915 Waves)

• REMY Sport 30W Quad — Starting at $14,995 (reg. $18,995) View Product & Details →

UltaLaser PBM PRO Series (Best Value High-Performance with 650/810/980/1064 Waves)

• UltaLaser PBM PRO 60W Quad — $18,995 (reg. $24,995) View Product & Details →
• UltaLaser PBM PRO 45W Quad — $14,995 (reg. $19,995) View Product & Details →
• UltaLaser PBM PRO 30W Quad — $13,995 (reg. $17,995) View Product & Details →

UltaLaser PBM LITE Series (Affordable Entry into Quad Technology)

• UltaLaser PBM LITE 30W Quad — $11,995 (reg. $15,995)
  Best-value entry-level Quad option View Product & Details →

All of these Quad systems are FDA-cleared, come with comprehensive training, multiple handpieces, and clinical support. The combination of four gold-standard wavelengths gives you unmatched versatility — treating everything from superficial wounds and skin conditions (650nm) to deep joint, spine, and nerve issues (650/810/915/980/1064nm).

Ready to choose the right Quad laser for your practice? Contact our laser specialists today at 1-800-575-7963 or visit Class4Lasers.com to compare models, request a quote, ask a question or schedule a consultation.

Why Choose a Laser from Class4Lasers.com?

When it comes to investing in Class 4 laser therapy equipment, Class4Lasers.com is the trusted leader for good reason. We offer an extensive selection of over 20 high-intensity, FDA-cleared Class 4 laser therapy machines designed to meet the needs of practitioners across various specialties.

With a decades-long proven track record of supplying exceptional laser therapy equipment, we’ve helped thousands of clinics and healthcare providers deliver outstanding patient outcomes. Our company has been accredited with the Better Business Bureau (BBB) since 2008 and proudly maintains an A+ rating.

What truly sets us apart is our commitment to customer success. Our dedicated, caring support team is always ready to assist, and we back every Remy laser purchase with a money-back satisfaction guarantee.

Ready to take the next step? Call us toll-free at 1-800-575-7963 or use our convenient contact form at the bottom of this page to reach out. When you do, we’ll send you a free educational report on Class 4 lasers to help deepen your knowledge and support your decision-making.

Discover the difference that the right laser therapy system can make — for your practice and for your patients.