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


















R2 Sonic (I2INS) Inertial Navigation System (Rental)
Applanix RTK POS MV WaveMaster II SFF IP68 INS
Applanix RTK POS MV SurfMaster RM IP68 INS
R2Sonic 2026 Multibeam Sonar (Rental)
Applanix Extended POS MV warranty products
USM Compact OTS AL Weld Down Plate
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
Applanix RTK POS MV SurfMaster SFF IP68 INS
Kongsberg uPAP 200-NEL Portable USBL (Rental)
Onsite Installation, Integration & Training
Kongsberg cNODE Micro 31-180 Beacon
EdgeTech 4205 Tri-Frequency Side Scan Sonar (Rental)
Applanix POSPac MMS
Applanix RTK POS MV OceanMaster SFF INS
QPS Qastor 3
Geometrics G882 Magnetometer
Kongsberg EA 440 Single Beam Echosounder
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle
R2Sonic 2024 Multibeam Sonar (Rental)
Applanix RTK POS MV OceanMaster RM INS
AML-3 Sound Velocity Profiler 6000m (1000dBar)
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor
QPS FMGeocoder
Applanix POSPac MMS SmartBase (Rental)
Impact Subsea ISD4000 (Rental)
EdgeTech 2000-DSS Side Scan Sonar and Subbottom Profiler (Rental)
Innomar Medium-100 Subottom Profiler (Rental)
Applanix RTK POS MV SurfMaster RM INS
Applanix RTK POS MV OceanMaster RM IP68 INS
HYPACK VIPER
Impact Subsea FMD System
EdgeTech 2050-DSS Side Scan Sonar and Subbottom Profiler (Rental)
EdgeTech 2 Foot Depressor Wing Kit for 4205 Side Scan Sonar
Trimble SPS851 DGPS Receiver (Rental)
EdgeTech 2205 Tri-Frequency Side Scan Sonar
EdgeTech 6205s2 Multibeam Sonar With 19" RM Integrated With Applanix POSMV SurfMaster
USM HighTower Bow AL Weld Down Plate
QPS TTL/ZDA Splitterbox MK3 (8-way) 19" Rack Mount
iXblue Rovins INS (Rental)
iXblue GAPS M7 USBL (Rental)
CenterPoint RTX Marine
EdgeTech 4205 Side Scan Sonar Depressor Wing (Rental)
HYPACK OFFICE & HYSWEEP OFFICE
SonarWiz
HYPACK SURVEY
G882 TVG Transverse Gradiometer
QPS Qinsy 9
Impact Subsea ISFMD System ROV Only System
HYPACK MAX
Training Onsite - ECHO81 HQ
Innomar Smart Subbottom Profiler
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software (Rental)
USM HighTower OTS Sonar Mount (Rental)
HYPACK WATER QUALITY MAPPING
Trimble BX992 (Rental)
Applanix RTK POS MV WaveMaster II RM IP68 INS
EdgeTech Starmux IV Interface
Innomar ISE Processing Software
SEABER AML Sensor