Terraquant Lasers

Multiradiance Cold Lasers, Built Around Safety First

A plain-English guide to the TQ Solo, MR4 Activ, and MR4 Pro (Obsolete), and why super-pulsed light has earned so much trust in cold laser therapy.

Ask around the cold laser world and Multiradiance keeps coming up. More than 500,000 of their systems are working somewhere right now, and owners tend to praise the same three things: a wide safety margin, controls anyone can learn, and results documented across hundreds of conditions.

Continuous-wave Class 4 lasers put out real heat and call for closer clinical oversight. Multiradiance took a different road: super-pulsed 905 nm technology, where peak power spikes very high for deep reach while average output stays tiny. You get meaningful depth with essentially no thermal risk to tissue, which is why these units suit clinics, mobile practitioners, athletes, and home users alike.

Most Popular Home System

TerraQuant TQ Solo

The home cold laser we have recommended more than any other.

$2,495 (TQ Solo)

People love the TQ Solo because there is nothing to figure out. Pick it up, press the button, begin. Inside sits a 15,000 mW peak-power super-pulsed laser at 905 nm, joined by 875 nm infrared and 660 nm red LEDs, so you cover a broad therapeutic range with no heat at all.

  • Gentle, non-invasive pain relief with no burn risk whatsoever.
  • Cordless and portable, so relief travels with you.
  • One button. No menus, no settings maze, no manual to memorize.
  • Professional-grade output in a form your hands learn in minutes.
Sports & Rehab Favorite

MR4 Activ

A handheld, battery-powered unit made for sports, rehab, and providers on the move.

$7,995 (MR4 Activ)

The MR4 Activ starts from everything owners praise in the TQ Solo, then adds the refinements working clinicians asked for. Built with sports medicine and busy rehab in mind, it reaches deeper and adapts to more situations while staying entirely non-thermal.

  • 15,000 mW of super-pulsed peak power to reach deep tissue.
  • Built-in blue light for surface-level inflammatory or microbial support.
  • Preset modes that keep sessions quick and repeatable.
  • Cordless with generous runtime, ready for the sideline or the road.
Clinic Workstation

MR4 Pro (Obsolete)

A desktop console that grows with a busy clinic.

$6,995+ (MR4 Pro configurations, Obsolete)

The MR4 Pro (Obsolete) is the clinical workhorse of the Multiradiance line: strong, flexible, and made for full schedules. Start with one emitter, then add larger heads or extra ports as demand grows. The platform scales instead of forcing a replacement.

  • Super-pulsed peak power up to 25,000-50,000 mW, still with no heat risk.
  • Two ports, so multiple emitters can run from one console.
  • Preset programs that keep outcomes consistent from one staff member to the next.
  • A clear upgrade path through LS50, Elite, and LaserStim configurations.
What makes super-pulsed technology different?

Every Multiradiance system is built around a super-pulsed 905 nm laser. It fires ultra-short bursts at very high peak power while the average power stays remarkably low, so photons travel deep without warming tissue on the way. Alongside the laser run 875 nm infrared and 660 nm red light, plus blue light on some models, layering the effect across several tissue depths.

All of that light lands in stressed or damaged tissue, where mitochondrial chromophores absorb it. That absorption supports ATP production, microcirculation, and the cell-level repair work that moves tissue back toward recovery.

Where do owners put these lasers to work?

Around the world, practitioners and home users reach for Multiradiance systems to help ease:

  • Acute and chronic musculoskeletal pain.
  • Back pain, neck pain, and joint pain.
  • Arthritis, bursitis, tendonitis, and repetitive strain.
  • Soft tissue injuries, sprains, and strains.
  • Post-surgical recovery and sports-related injuries.

The supporting research runs thousands of studies deep for low-level laser therapy and pain relief, including double-blind trials run specifically on TerraQuant/MR4 platforms.

Why pick Multiradiance over other cold lasers?

Two stubborn problems have always dogged laser therapy, and Multiradiance answers both:

  • Deep penetration without heat: super-pulsed 905 nm pairs high peak power with low average power, so photons reach deep tissue while everything stays non-thermal.
  • Ease of use and repeatability: preset programs, plain interfaces, and heat-free operation mean any trained staff member can deliver steady, safe sessions, and with the TQ Solo, so can a home user.

More than half a million systems in the field gives Multiradiance one of the largest installed bases in the industry, with a track record spanning human and veterinary care.

Which one belongs in your hands?

The right pick comes down to where the laser will live and who it will serve:

  • Choose the TQ Solo if you want an affordable, friendly system for home use or a portable unit for everyday pain relief and recovery.
  • Choose the MR4 Activ if you are a clinician, trainer, or mobile provider caring for athletes and active patients, and you want a professional handheld with room to maneuver.
  • Choose the MR4 Pro (Obsolete) if your clinic runs real patient volume and you want a workstation that scales across multiple emitters and the full spread of musculoskeletal cases.

Still weighing it? Start with three questions: where sessions will happen (clinic or home), how many people you will see, and whether you expect to add capability later.

Wondering which Multiradiance system fits your patients and your budget? Let us talk it through.