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


















EdgeTech ASSY Top 3400 Subbottom Profiler Pole Mounted Sonar Head
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle
USM HighTower OTS AL Weld Down Plate
USM Compact Sonar Mount VOOP Kit (Rental)
CenterPoint RTX Marine
Applanix RTK POS MV SurfMaster RM INS
USM Compact OTS Sonar Mount (Rental)
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software (Rental)
Kongsberg EM 2040 MKII Multibeam Echosounder
USM HighTower OTS Sonar Mount (Rental)
EdgeTech Starmux IV Interface
Kongsberg EM 712 Multibeam Echosounder (Rental)
HSP 22" Sheave Counter (Rental)
Trimble SPS851 DGPS Receiver (Rental)
Impact Subsea ISA500 Underwater Altimeter
Applanix POS MV OceanMaster INS IP68 (Rental)
Applanix GNSS antenna, GA830
USM HighTower Bow Sonar Mount
SEABER YUCO-CTD AUV
EdgeTech 2 Foot Depressor Wing Kit for 4205 Side Scan Sonar
EdgeTech ASSY Top 3400 Subbottom Profiler Combined Towed & Pole Mounted Sonar
Training Onsite Customer Location
HYPACK MAX (Rental)
Applanix RTK POS MV SurfMaster SFF IP68 INS
R2Sonic 2024 Multibeam Sonar (Rental)
Applanix RTK POS MV SurfMaster RM IP68 INS
Kongsberg M3 Sonar HF
Applanix Extended POS MV warranty products
Innomar Medium-100 Subottom Profiler (Rental)
Innomar Compact Subbottom Profiler (Rental)
Applanix RTK POS MV OceanMaster SFF INS
Applanix POSPac MMS
Applanix POSPac Go!
Onsite Installation, Integration & Training
SeaGear Oceanographic Winch
Impact Subsea ISS360
USM MegaTower OTS Sonar Mount (Rental)
USM HighTower Bow AL Weld Down Plate
Applanix RTK POS MV OceanMaster RM INS
R2Sonic Dual Head Mounting bracket 2024 (Rental)
EdgeTech 4125i Dual Frequency Side Scan Sonar (Rental)