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


















Kongsberg EA 440 Single Beam Echosounder
CenterPoint RTX Marine
Trimble BX992 (Rental)
USM Compact OTS AL Weld Down Plate
POSPac MMS SmartBase, USB Licence including 1st year maintenance
AML-3 Sound Velocity Profiler 6000m (1000dBar) (Rental)
Kongsberg cNODE Micro 31-180 Beacon
Geometrics Magnetometer Telemetry MUX
HYPACK MAX & HYSWEEP (Rental)
Impact Subsea ISA500 Underwater Altimeter
EdgeTech 4205 Side Scan Sonar Depressor Wing
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
EdgeTech 2 Foot Depressor Wing Kit for 4205 Side Scan Sonar
USM HighTower Bow AL Weld Down Plate
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
SeaGear Oceanographic Winch (Rental)
Trimble SPS851 DGPS Receiver
SEABER YUCO-SCAN AUV
Training Onsite - ECHO81 HQ
Applied Acoustics 1100 Series Mini Beacon (Rental)
USM HighTower OTS Sonar Mount (Rental)
SonarWiz
Applanix RTK POS MV SurfMaster SFF INS INS
Applanix POS MV WaveMaster II INS (220) (Rental)
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp
Impact Subsea ISM3D
Applanix RTK POS MV SurfMaster SFF IP68 INS
Applanix RTK POS MV OceanMaster SFF IP68 INS
USM Compact OTS Sonar Mount
QPS PPS TTL Adapter
HSP 22" Sheave Counter (Rental)
Applanix Extended POS MV warranty products
Impact Subsea ISS360HD
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software (Rental)
EdgeTech 3400-512E 500 Hz-12 kHz Side Scan Sonar
Applanix RTK POS MV OceanMaster RM INS
Applanix RTK POS MV OceanMaster RM IP68 INS
Applanix RTK POS MV SurfMaster RM IP68 INS
Impact Subsea FMD System (Rental)
USM HighTower Bow Sonar Mount
G882 TVG Transverse Gradiometer
R2Sonic 2024 Multibeam Sonar (Rental)
USM MegaTower OTS Sonar Mount (Rental)