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


















Geometrics G882 Magnetometer (Rental)
iXblue GAPS M5 USBL (Rental)
Innomar Deep-36 Subbottom Profiler
EdgeTech 2000-DSS Side Scan Sonar and Subbottom Profiler (Rental)
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
Fugro MarineStar Subscription
HYPACK HYSWEEP OFFICE
Applanix POSPac MMS SmartBase (Rental)
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor
HSP 22" Sheave Counter
Applanix Extended POS MV warranty products
Impact Subsea ISM3D (Rental)
EdgeTech 3400-OTS Low Freq Subbottom Profiler Pole-Mount SBP & 4 kW Amp
HYPACK SURVEY
Trimble SPS851 DGPS Receiver (Rental)
EdgeTech Starmux IV Interface
Impact Subsea ISS360HD (Rental)
EdgeTech ASSY Top 3400 Subbottom Profiler Combined Towed & Pole Mounted Sonar
USM Compact OTS AL Weld Down Plate
USM HighTower Bow Sonar Mount
Impact Subsea FMD System
HYPACK VIPER
USM Compact Sonar Mount VOOP Kit (Rental)
USM MegaTower OTS Sonar Mount
Applanix RTK POS MV SurfMaster RM IP68 INS
HYPACK WATER QUALITY MAPPING
Innomar Medium-USV Subbottom Profiler
Kongsberg EA 440 Single Beam Echosounder (Rental)
EdgeTech 4205 Side Scan Sonar Depressor Wing
Geometrics Magnetometer Telemetry MUX
Applanix RTK POS MV SurfMaster RM INS
HYPACK MAX
HYPACK HYSWEEP
Impact Subsea ISD4000
AML-3 Sound Velocity Profiler 6000m (1000dBar)
Impact Subsea ISA500 Underwater Altimeter
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
EdgeTech 6205s2 Multibeam Sonar (Rental)
EdgeTech 2205 Tri-Frequency Side Scan Sonar & Subbottom Profiler
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
R2Sonic 2022 Multibeam Sonar (Rental)
HYPACK DREDGEPACK
Innomar Light Subbottom Profiler
EdgeTech 2050-DSS Side Scan Sonar and Subbottom Profiler (Rental)
Innomar SixPack Multi Transducer Subbottom Profiler
Innomar ISE Processing Software
Innomar Deep-15 Subbottom Profiler
Innomar Medium-70 Subbottom Profiler
Innomar Medium-100 Subbottom Profiler
Applanix RTK POS MV OceanMaster RM IP68 INS
USM HighTower Bow AL Weld Down Plate
SEABER YUCO-CTD AUV
Impact Subsea ISS360
Innomar ROV, AUV Subbottom Profiler
EdgeTech 2 Foot Depressor Wing Kit for 4205 Side Scan Sonar
Applanix RTK POS MV SurfMaster SFF INS INS
Applanix RTK POS MV OceanMaster SFF IP68 INS
SonarWiz
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
R2Sonic 2026 Multibeam Sonar (Rental)
Applanix RTK POS MV OceanMaster RM INS
Applanix RTK POS MV WaveMaster II RM IP68 INS