About us

e3-msr-west-phoenix-customer-testSince 1978...

e3 MSR West has been the leading solution provider for hearing health care professionals in the Southwest.  Our reputation has earned the trust of providers in a wide variety of settings including, Hospitals, Clinics, Private Practice, Universities, K-12 Schools, and even Industrial Hearing Testing Programs.  The difference is our people; vendors sell equipment, we provide solutions.  With 30 plus years of industry experience each, Jim and Rod are able to help you find the right solution for your particular need, and at the right price.

Our service doesn’t stop
with the sale...

e3-msr-west-phoenix-sales-consultAt e3 MSR West, we know you have a choice when it comes to service - which is why we strive to maintain a world class service team.  With more than 75 years combined service and calibration experience, there are very few units out there that we haven’t seen, worked on, calibrated and fixed.  Whether you are in Phoenix, Tucson, Albuquerque or El Paso, our knowledgeable and skilled technicians are on the road every day To meet your service needs in a timely fashion.

Just ask...

Our staff’s expertise is wide reaching; everything from customizing sound rooms and fabricating custom closure panels to basic NOAH support and even networking your satellite offices.  Just because you don’t see it listed, doesn’t mean we can’t do it; give us a call today odds are, we can help!

To contact our Phoenix office:

Address: 6730 E McDowell Rd, Ste 102
Scottsdale, AZ  85257

Office:  (480) 813-2112
Fax:  (480) 813-2689

Your Local Experts

msr-west-az-rod-warembourg   Rod Warembourg

Regional Sales Manager
(480) 813-2112
  • Rod has been in the industry since 1987, and is one of the original founders of e3 MSR West. Rod started as a Service Technician for Colorado and Wyoming and later took over the sales for those states as well. In 2000, Rod took over the management of the Arizona office, and by 2004, relocated there to better serve the customers. Today, Rod continues to lend his technical expertise wherever it is needed. He holds a Bachelors Degree in Electronic Engineering Technology (BSEET) and is NASED Certified.
  Jim Armstrong

Regional Sales Manager
(480) 813-2112
  • Jim was employed by Acoustical Calibration Service as a Service Technician and thus started him on his career path in Audiometric Instrumentation. In 1986, he purchased and operated Acoustical Calibration Sales and Service, Inc. and ran the business successfully for 26 years providing Sales and Service in Arizona and New Mexico. In 2012, Acoustical Calibration Sales and Service was purchased by e3 MSR West and merged with the Arizona office. Jim holds an Associate’s Degree from DeVry Institute of Technology and is NASED Certified.
  Scott Lamb

Service Manager & NASED Certified Technician
(480) 813-2112
  • Scott joined the Arizona team in 2001 shortly after the office opened as the Service Manager to handle all of the service needs for our customers. Scott has an Associate’s degree in electronics and is also a NASED Certified Technician. With his technical expertise and willingness to help our customers, Scott truly exemplifies what it means to provide excellent customer service.
  Brian Ankrom

NASED Certified Technician
(480) 813-2112
  • Even though Brian recently joined the e3 MSR West family, he has been a great addition to the team, and recently passed his NASED certification test. His technical background, eye for detail and genuine concern for customer satisfaction, Brian can be relied on by each and every customer he works with.
  Jeremy Wilcox

NASED Certified Soundroom Technician
(480) 813-2112
  • Jeremy recently joined the e3 MSR West family us as our lead Soundroom Technician, and passed his NASED certification test in 2016. Jeremy brings with him many years of Soundroom installation and relocation experience, and his mechanical aptitude and problem solving abilities are a welcome addition to our team.
  Danna Pita

Service Scheduling
(800) 777-4130
  • As our Service Scheduler, Danna’s attention to detail and administrative experience are what keeps things running smoothly and in a timely fashion. Whether you are calling to schedule your equipment for calibration or have an emergency repair, Danna will work with you to ensure minimal downtime for your equipment.
  Jana Kessler

Office Assistant
(800) 777-4130
  • Jana has been with e3 MSR West since 1995, helping out in various capacities, and is now our Office Assistant. Jana is committed to ensuring our customers experience when working with e3 MSR West not only meets, but exceeds their expectations, keeping up the foundation of “Helping the West to Hear.”

Expertise, Excellence, Everyday - The e3 Diagnostics Difference

e3 Diagnostics is based on three cornerstones:  expertise, excellence and everyday.  These three e's are the core values each team member provides to every customer, everyday.


Expertise is our people.  Audiologists, sales team, technicians and operational support. Across the nation, our network consists of the audiology industry's most respected and highly regarded leaders and business advisors.  We are here to help you grow and take care of your customers.


Excellence is our product and services, which are unparalleled in the industry.  We represent the world's leading manufacturers of the highest quality special instruments and supplies, and our national service team are factory-trained and NASED certified.


Everyday is our ability to be near you on an everyday basis, wherever you are and whenever you need us.  We have offices in your community no matter where in the US your business is, and our response time is typically within 24 hours.