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 2 Foot Depressor Wing Kit for 4205 Side Scan Sonar
USM Compact OTS Sonar Mount
HYPACK OFFICE & HYSWEEP OFFICE
Geometrics Magnetometer Telemetry MUX
G882 TVG Transverse Gradiometer
Trimble SPS851 DGPS Receiver
Applanix POSPac MMS SmartBase (Rental)
Innomar ROV, AUV Subbottom Profiler
Impact Subsea FMD System (Rental)
USM HighTower OTS AL Weld Down Plate
Applanix RTK POS MV WaveMaster II RM IP68 INS
Applanix RTK POS MV OceanMaster RM IP68 INS
QPS TTL/ZDA Splitterbox MK3 (8-way) 19" Rack Mount
EdgeTech ASSY Top 3400 Subbottom Profiler Combined Towed & Pole Mounted Sonar
QPS Qinsy 9
Applanix RTK POS MV SurfMaster SFF IP68 INS
Impact Subsea ISFMD System ROV Only System
Impact Subsea ISA500 Underwater Altimeter (Rental)
Geometrics G882 Magnetometer Tandem Tow Kit
Applanix RTK POS MV SurfMaster RM IP68 INS
Applanix RTK POS MV OceanMaster SFF IP68 INS
Applanix RTK POS MV SurfMaster RM INS
AML-3 Sound Velocity Profiler 6000m (1000dBar) (Rental)
USM Compact Sonar Mount VOOP Kit (Rental)
EdgeTech 2000-DSS Side Scan Sonar and Subbottom Profiler (Rental)
Impact Subsea ISS360HD
Applanix POS MV SurfMaster One INS
Impact Subsea ISD4000
USM HighTower Bow Sonar Mount
USM MegaTower OTS Sonar Mount
QPS Qastor 3
Kongsberg uPAP 200-NEL Portable USBL (Rental)
R2Sonic 2022 Multibeam Sonar (Rental)
EdgeTech Starmux IV Interface
Impact Subsea ISFMD System Topside Interface Box
Kongsberg EA 440 Single Beam Echosounder
R2Sonic 2026 Multibeam Sonar (Rental)
HYPACK SURVEY & HYSWEEP
Impact Subsea ISFMD System Software License
Innomar Medium-100 Subbottom Profiler
HYPACK WATER QUALITY MAPPING
Innomar Medium-USV Subbottom Profiler (Rental)