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 352P MGC R3 USBL System
Applanix RTK POS MV WaveMaster II SFF IP68 INS
EdgeTech 6205s2 Multibeam Sonar (Rental)
USM Compact Sonar Mount VOOP Kit (Rental)
EdgeTech 4125i Dual Frequency Side Scan Sonar
POSPac MMS SmartBase, USB Licence including 1st year maintenance
iXblue Rovins INS (Rental)
R2Sonic Dual Head Mounting bracket 2024 (Rental)
iXblue GAPS M5 USBL (Rental)
USM MegaTower OTS Sonar Mount
Impact Subsea ISS360HD (Rental)
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor (Rental)
Impact Subsea FMD System
Applanix RTK POS MV SurfMaster SFF IP68 INS
USM Compact OTS AL Weld Down Plate
USM High Tower OTS Sonar Mount
Innomar Medium-USV Subbottom Profiler (Rental)
Geometrics TVG Frame (Frame Only)
OI 24" Sheave Counter with Bluetooth (Rental)
Applanix RTK POS MV WaveMaster II RM INS
Impact Subsea ISA500 Underwater Altimeter
USM HighTower Bow AL Weld Down Plate
Fugro MarineStar Subscription
HSP 22" Sheave Counter
Geometrics Magnetometer Telemetry MUX
Impact Subsea ISS360
Applanix RTK POS MV SurfMaster SFF INS INS
Impact Subsea ISD4000
Applanix Extended POS MV warranty products
Applanix POSPac Go!
Impact Subsea ISM3D
USM Compact OTS Sonar Mount
Innomar Medium-100 Subottom Profiler (Rental)
Kongsberg cNODE Micro 31-180 Beacon
SonarWiz
Applanix RTK POS MV WaveMaster II RM IP68 INS
USM HighTower Bow Sonar Mount
Applanix POS MV SurfMaster One INS (Rental)
EdgeTech 3400 (Standard) (2-16 kHz) Subbottom Profiler (Rental)
SeaGear Oceanographic Winch (Rental)
Applanix GNSS antenna, 540AP
Applanix POS MV OceanMaster INS IP68 (Rental)
Geometrics G882 Magnetometer (Rental)
EdgeTech 2205 Tri-Frequency Side Scan Sonar & Subbottom Profiler
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software
R2 Sonic (I2INS) Inertial Navigation System (Rental)
Innomar Quattro Multi Transducer Subbottom Profiler
Innomar Compact Subbottom Profiler
Applanix POS MV WaveMaster II INS (220) (Rental)
Applanix GNSS antenna, GA830
Applied Acoustics 1100 Series Mini Beacon (Rental)
EdgeTech 3400-512E 500 Hz-12 kHz Side Scan Sonar
Applanix POSPac MMS SmartBase (Rental)
AML-3 Sound Velocity Profiler 6000m (1000dBar)
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
Innomar ISE Processing Software (Rental)
Innomar Deep-36 Subbottom Profiler
iXblue GAPS M7 USBL (Rental)
Applanix RTK POS MV SurfMaster RM IP68 INS
HYPACK MAX & HYSWEEP
EdgeTech 3400-OTS (2-16 kHz or 4-24 kHz) Subbottom Profiler (Rental)
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
Applanix RTK POS MV SurfMaster RM INS
Innomar Standard Subbottom Profiler
EdgeTech 4205 Side Scan Sonar Depressor Wing
EdgeTech 2050-DSS Side Scan Sonar and Subbottom Profiler (Rental)
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler
Innomar Standard -USV Subbottom Profiler
Training Onsite Customer Location
EdgeTech 4205 Tri-Frequency Side Scan Sonar
Kongsberg uPAP 200-NEL Portable USBL (Rental)
CenterPoint RTX Marine
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp
Trimble SPS851 DGPS Receiver
EdgeTech Laptop
SEABER YUCO-SCAN AUV
Innomar Light Subbottom Profiler