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


















HYPACK GEOPHYSICS
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
EdgeTech 3400-OTS Ultra-Lightweight Pole-Mount Subbottom Profiler (4-24 kHz)
EdgeTech Starmux IV Interface
Applanix GNSS antenna, 540AP
SeaGear Oceanographic Winch (Rental)
EdgeTech 3400-OTS Low Freq Digital Subbottom Profiler Dual Transmitters
EdgeTech 2205 Tri-Frequency Side Scan Sonar (Rental)
EdgeTech 3400 (Standard) (2-16 kHz) Subbottom Profiler (Rental)
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp
HYPACK HYSWEEP OFFICE
Applied Acoustics 1100 Series Mini Beacon (Rental)
Applanix GNSS antenna, GA830
EdgeTech 3400-OTS (2-16 kHz or 4-24 kHz) Subbottom Profiler (Rental)
QPS Qimera 2 (Rental)
Applanix RTK POS MV WaveMaster II RM INS
EdgeTech 4125i Dual Frequency Side Scan Sonar
EdgeTech 4205 Side Scan Sonar Depressor Wing
HYPACK MAX & HYSWEEP
EdgeTech 4125i Dual Frequency Side Scan Sonar (Rental)
Applanix POS MV SurfMaster One INS
USM Compact Sonar Mount VOOP Kit
Fugro MarineStar Subscription
R2Sonic Dual Head Mounting bracket 2024 (Rental)
Applanix RTK POS MV WaveMaster II SFF IP68 INS
Kongsberg 352P MGC R3 USBL System
G882 TVG Transverse Gradiometer (Rental)
HYPACK HYSWEEP
Geometrics Magnetometer Telemetry MUX (Rental)
EdgeTech Laptop
R2Sonic Dual Head Mounting Bracket 2020 (Rental)
QPS Qinsy 9 Offshore (Rental)
Geometrics G882 Magnetometer (Rental)
SEABER YUCO-CTD AUV
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
SEABER DeepView Side Scan Software
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
R2 Sonic (I2INS) Inertial Navigation System (Rental)
Training Onsite Customer Location
USM MegaTower OTS AL Weld Down Plate
HYPACK SURVEY
Innomar ISE Processing Software (Rental)
Applanix RTK POS MV SurfMaster SFF INS INS
R2Sonic 2024 Multibeam Sonar (Rental)
QPS Fledermaus 8
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
Impact Subsea ISS360
Applanix RTK POS MV SurfMaster SFF IP68 INS
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
EdgeTech 2050-DSS Side Scan Sonar and Subottom Profiler
USM HighTower Bow Sonar Mount (Rental)
SEABER YUCO-SCAN AUV
QPS Qastor 3
Trimble SPS851 DGPS Receiver
Impact Subsea ISD4000
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor (Rental)
USM Compact OTS Sonar Mount
Innomar Deep-36 Subbottom Profiler
EdgeTech ASSY Top 3400 Subbottom Profiler Pole Mounted Sonar Head
CenterPoint RTX Marine (Rental)
Innomar Compact Subbottom Profiler
HYPACK LITE
Applanix POSPac MMS
Innomar Quattro Multi Transducer Subbottom Profiler
Impact Subsea ISFMD System Software License