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 POSPac MMS SmartBase (Rental)
Geometrics G882 Magnetometer
Innomar Standard Subbottom Profiler
Trimble BX992 (Rental)
Geometrics TVG Frame (Frame Only)
Applanix RTK POS MV OceanMaster RM INS
CenterPoint RTX Marine (Rental)
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler
Impact Subsea ISM3D (Rental)
Innomar Medium-USV Subbottom Profiler
USM Compact OTS Sonar Mount (Rental)
QPS Qarto 3
EdgeTech 2205 Tri-Frequency Side Scan Sonar
Kongsberg 352P MGC R3 USBL System (Rental)
Impact Subsea ISFMD System Full System
EdgeTech ASSY Top 3400 Subbottom Profiler Pole Mounted Sonar Head
EdgeTech 3400-512E 500 Hz-12 kHz Side Scan Sonar
EdgeTech 4205 Tri-Frequency Side Scan Sonar
USM MegaTower OTS Sonar Mount
AML-3 Sound Velocity Profiler 6000m (1000dBar)
Geometrics Magnetometer Telemetry MUX
SonarWiz
Trimble SPS851 DGPS Receiver
QPS Qinsy 9 Offshore (Rental)
Applanix RTK POS MV WaveMaster II SFF INS
SEABER AML Sensor
iXblue GAPS M7 USBL (Rental)
Impact Subsea ISS360HD (Rental)
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
Kongsberg cNODE Micro 31-180 Beacon (Rental)
SEABER YUCO-SCAN AUV
HSP 22" Sheave Counter (Rental)
Applanix RTK POS MV OceanMaster SFF IP68 INS
Applanix GNSS antenna, GA830
EdgeTech 2000-DSS Side Scan Sonar and Subbottom Profiler (Rental)
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor
Kongsberg EA 440 Single Beam Echosounder (Rental)
EdgeTech 3400-OTS Low Freq Digital Subbottom Profiler Dual Transmitters
Applanix RTK POS MV SurfMaster RM INS
QPS FMGeocoder
HYPACK VIPER
Applanix RTK POS MV SurfMaster SFF IP68 INS
Impact Subsea FMD System
Applanix POS MV SurfMaster One INS
Innomar SixPack Multi Transducer Subbottom Profiler
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software (Rental)
Applanix RTK POS MV WaveMaster II RM IP68 INS
Applanix Extended POS MV warranty products
iXblue Rovins INS (Rental)
Innomar Medium-100 Subbottom Profiler
Impact Subsea ISFMD System Topside Interface Box
SEABER DeepView Side Scan Software
HYPACK DREDGEPACK
Applied Acoustics 1100 Series Mini Beacon (Rental)
Applanix POS MV WaveMaster II INS (220) (Rental)
USM MegaTower OTS AL Weld Down Plate
Applanix RTK POS MV OceanMaster RM IP68 INS
USM HighTower OTS Sonar Mount (Rental)
Applanix GNSS antenna, 540AP
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Pole Mount Adapter
USM HighTower Bow AL Weld Down Plate
Innomar Smart Subbottom Profiler
EdgeTech 2050-DSS Side Scan Sonar and Subbottom Profiler (Rental)
EdgeTech 4205 Side Scan Sonar Depressor Wing
QPS PPS TTL Adapter
EdgeTech 3400-OTS (2-16 kHz or 4-24 kHz) Subbottom Profiler (Rental)
Kongsberg uPAP 200-NEL Portable USBL
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle
EdgeTech Starmux IV Interface
HYPACK MAX
Innomar Standard -USV Subbottom Profiler
Impact Subsea ISD4000 (Rental)
EdgeTech 6205s2 Multibeam Sonar With 19" RM Integrated With Applanix POSMV SurfMaster
R2Sonic Dual Head Mounting Bracket 2020 (Rental)
Training Onsite - ECHO81 HQ
Training Onsite Customer Location
Applanix POSPac MMS
Impact Subsea ISFMD System Software License
Impact Subsea ISS360
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp