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 3400 (Standard) (2-16 kHz) Subbottom Profiler (Rental)
Applanix GNSS antenna, 540AP
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp
EdgeTech 3400-OTS Low Freq Subbottom Profiler Pole-Mount SBP & 4 kW Amp
Applanix RTK POS MV SurfMaster SFF INS INS
Applanix POS MV OceanMaster INS IP68 (Rental)
Applanix POS MV SurfMaster One INS (Rental)
Applanix POS MV WaveMaster II INS (220) (Rental)
EdgeTech 4125i Dual Frequency Side Scan Sonar
Geometrics G882 Magnetometer (Rental)
HYPACK MAX (Rental)
EdgeTech 3400-OTS (2-16 kHz or 4-24 kHz) Subbottom Profiler (Rental)
HSP 22" Sheave Counter (Rental)
EdgeTech 3400-OTS Ultra-Lightweight Pole-Mount Subbottom Profiler (4-24 kHz)
HYPACK DREDGEPACK
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
Applanix RTK POS MV WaveMaster II RM INS
SeaGear Oceanographic Winch
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
Applanix Extended POS MV warranty products
EdgeTech 4125i Dual Frequency Side Scan Sonar (Rental)
Geometrics Magnetometer Telemetry MUX (Rental)
EdgeTech 2205 Tri-Frequency Side Scan Sonar & Subbottom Profiler (Rental)
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
Training Onsite Customer Location
SEABER YUCO-SCAN AUV
EdgeTech 4205 Side Scan Sonar Depressor Wing
USM Compact OTS Sonar Mount
Applanix POSPac MMS
Trimble SPS851 DGPS Receiver