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


















CenterPoint RTX Marine (Rental)
Applanix RTK POS MV WaveMaster II SFF INS
Trimble SPS851 DGPS Receiver
EdgeTech Topside Processor With Starmux IV Interface
USM MegaTower OTS Sonar Mount (Rental)
SEABER YUCO-CTD AUV
Applanix GNSS antenna, 540AP
Innomar Compact Subbottom Profiler (Rental)
Applanix Extended POS MV warranty products
Innomar Medium-70 Subbottom Profiler
Applanix RTK POS MV OceanMaster RM INS
USM Compact OTS Sonar Mount
Applied Acoustics 1100 Series Mini Beacon (Rental)
AML-3 Sound Velocity Profiler 6000m (1000dBar)
Applanix RTK POS MV OceanMaster SFF IP68 INS
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle
Applanix RTK POS MV SurfMaster SFF IP68 INS
Impact Subsea ISD4000 (Rental)
R2Sonic 2026 Multibeam Sonar (Rental)
EdgeTech 2300 Combined Tri-Freq Side Scan Sonar & High Res Subbottom Profiler
Applanix POSPac MMS SmartBase (Rental)
Innomar Smart Subbottom Profiler
EdgeTech 2050-DSS Side Scan Sonar and Subottom Profiler
SEABER DeepView Side Scan Software
QPS Fledermaus 8
Innomar Standard -USV Subbottom Profiler
R2 Sonic (I2INS) Inertial Navigation System (Rental)
HYPACK LITE
QPS FMGeocoder
EdgeTech 4205 Side Scan Sonar Depressor Wing (Rental)
R2Sonic Dual Head Mounting Bracket 2020 (Rental)
USM HighTower OTS Sonar Mount (Rental)
Applanix RTK POS MV OceanMaster RM IP68 INS
Applanix RTK POS MV SurfMaster RM INS
Kongsberg 352P MGC R3 USBL System (Rental)
EdgeTech 6205s2 Multibeam Sonar With 19" RM Integrated With Applanix POSMV SurfMaster
EdgeTech 4205 Tri-Frequency Side Scan Sonar (Rental)
SEABER AML Sensor
iXblue Rovins INS (Rental)
USM Compact OTS AL Weld Down Plate
Innomar Light Subbottom Profiler
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
EdgeTech ASSY Top 3400 Subbottom Profiler Combined Towed & Pole Mounted Sonar
Impact Subsea ISFMD System ROV Only System
R2Sonic 2024 Multibeam Sonar (Rental)
Impact Subsea FMD System
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
Applanix POS MV SurfMaster One INS
Kongsberg EA 440 Single Beam Echosounder (Rental)
QPS Qinsy 9 Offshore (Rental)
QPS PPS TTL Adapter
Fugro MarineStar Subscription (Rental)
QPS Qarto 3
Applanix GNSS antenna, GA830
EdgeTech 2205 Tri-Frequency Side Scan Sonar
Applanix POS MV WaveMaster II INS (220) (Rental)
Kongsberg uPAP 200-NEL Portable USBL
iXblue GAPS M5 USBL (Rental)
EdgeTech 3400 (Standard) (2-16 kHz) Subbottom Profiler (Rental)
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor (Rental)
Innomar Medium-100 Subottom Profiler (Rental)
QPS Qimera 2 (Rental)
Innomar Standard Subbottom Profiler
Geometrics TVG Frame (Frame Only) (Rental)
Kongsberg cNODE Micro 31-180 Beacon
Geometrics G882 Magnetometer Tandem Tow Kit (Rental)
HYPACK SURVEY & HYSWEEP