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 RTK POS MV OceanMaster SFF INS
USM Compact Sonar Mount VOOP Kit (Rental)
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
Innomar Medium-USV Subbottom Profiler (Rental)
EdgeTech 2 Foot Depressor Wing Kit for 4205 Side Scan Sonar
CenterPoint RTX Marine (Rental)
Applanix Extended POS MV warranty products
R2Sonic 2026 Multibeam Sonar (Rental)
Applanix RTK POS MV OceanMaster RM IP68 INS
Applanix RTK POS MV OceanMaster RM INS
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
Applanix RTK POS MV WaveMaster II SFF IP68 INS
OI 24" Sheave Counter with Bluetooth (Rental)
Innomar ROV, AUV Subbottom Profiler
POSPac MMS SmartBase, USB Licence including 1st year maintenance
HYPACK WATER QUALITY MAPPING
Applanix GNSS antenna, GA830
USM MegaTower OTS Sonar Mount (Rental)
Applanix POSPac Go!
SEABER YUCO-CTD AUV
QPS TTL/ZDA Splitterbox MK3 (8-way) 19" Rack Mount
Applanix POSPac MMS SmartBase (Rental)
R2Sonic Dual Head Mounting Bracket 2020 (Rental)
EdgeTech 3400-OTS Low Freq Subbottom Profiler Pole-Mount SBP & 4 kW Amp
Innomar Compact Subbottom Profiler
Impact Subsea ISFMD System ROV Only System
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
EdgeTech Starmux IV Interface
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
Kongsberg uPAP 200-NEL Portable USBL (Rental)
QPS Qimera 2
QPS Qinsy 9 Offshore (Rental)
HYPACK OFFICE
USM HighTower OTS Sonar Mount (Rental)
Geometrics Magnetometer Telemetry MUX
iXblue GAPS M7 USBL (Rental)
Kongsberg EA 440 Single Beam Echosounder (Rental)
Innomar SixPack Multi Transducer Subbottom Profiler
QPS Fledermaus 8
Kongsberg 352P MGC R3 USBL System (Rental)
SEABER DeepView Side Scan Software
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor (Rental)
Kongsberg EM 2042 Multibeam Echosounder
Kongsberg EM 2040P MKII Multibeam Echosounder
iXblue GAPS M5 USBL (Rental)
EdgeTech ASSY Top 3400 Subbottom Profiler Combined Towed & Pole Mounted Sonar
Applanix RTK POS MV SurfMaster RM IP68 INS
Onsite Installation, Integration & Training
EdgeTech 4125i Dual Frequency Side Scan Sonar (Rental)
Kongsberg EM 2040 MKII Multibeam Echosounder
EdgeTech 2000-DSS Side Scan Sonar and Subbottom Profiler (Rental)
USM HighTower Bow AL Weld Down Plate
QPS Qarto 3
EdgeTech 2300 Combined Tri-Freq Side Scan Sonar & High Res Subbottom Profiler
Applanix RTK POS MV SurfMaster RM INS
Applanix RTK POS MV SurfMaster SFF IP68 INS
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Pole Mount Adapter
SonarWiz
Kongsberg EM 712 Multibeam Echosounder