Sales Inventory
Dive into our world of cutting-edge sonars, advanced navigation equipment, and state-of-the-art software—all crafted to optimize your hydrographic operations.
At ECHO81, we understand the stresses of investing and procuring with the overwhelming number of options in the market today. Let our devoted sales team help you realize the perfect solution to cover every aspect of your requirements.
Whether you have inquiries about our superior products or seeking expert advice, we’re just a phone call or email away!
Browse by Technology.
Find the perfect products tailored to your specific needs
CONTACT INFO
Have a question? Can’t find what you’re looking for? We’d love to hear from you!
Connect with us using the information below.
PHONE
+1 706-522-3022
ADDRESS
481 S. Jackson Street
Hartwell, GA 30643
Hartwell, GA 30643
At ECHO81, we believe in the power of collaboration and are proud to work alongside a network of exceptional partners who share our commitment to excellence. We work with EdgeTech, Kongsberg, Applanix, AML Oceanographic, and many more.
We are always looking for new ways to grow and improve. If you have any questions, feedback, or would like to learn more about how ECHO81 can assist you, please don’t hesitate to Contact Us


















Applanix POS MV SurfMaster One INS
USM MegaTower OTS AL Weld Down Plate
USM HighTower Bow Sonar Mount (Rental)
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
Geometrics TVG Frame (Frame Only) (Rental)
EdgeTech Laptop
Innomar Light Subbottom Profiler
Applanix RTK POS MV WaveMaster II SFF INS
EdgeTech 4205 Side Scan Sonar Depressor Wing
SonarWiz
Applanix POS MV OceanMaster INS IP68 (Rental)
Impact Subsea ISS360HD (Rental)
Impact Subsea ISD4000 (Rental)
EdgeTech 3400-OTS Low Freq Subbottom Profiler Pole-Mount SBP & 4 kW Amp
EdgeTech 2300 Combined Tri-Freq Side Scan Sonar & High Res Subbottom Profiler
HYPACK MAX & HYSWEEP
EdgeTech 4125i Dual Frequency Side Scan Sonar (Rental)
Impact Subsea ISFMD System Topside Interface Box
Geometrics G882 Magnetometer (Rental)
Impact Subsea ISFMD System Software License
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Pole Mount Adapter
USM MegaTower OTS Sonar Mount (Rental)
Applanix RTK POS MV WaveMaster II SFF IP68 INS
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
USM HighTower Bow AL Weld Down Plate
Applanix GNSS antenna, 540AP
Fugro MarineStar Subscription (Rental)
HYPACK DREDGEPACK
Impact Subsea FMD System
USM Compact Sonar Mount VOOP Kit (Rental)
Impact Subsea ISM3D (Rental)
HYPACK VIPER
EdgeTech 6205s2 Multibeam Sonar With 19" RM Integrated With Applanix POSMV SurfMaster
Applanix POS MV WaveMaster II INS (220) (Rental)