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 cNODE MiniS 31-180 Beacon w/Pressure Sensor (Rental)
Fugro MarineStar Subscription (Rental)
QPS Qinsy 9 Offshore (Rental)
Kongsberg cNODE Micro 31-180 Beacon (Rental)
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
EdgeTech 2050-DSS Side Scan Sonar and Subbottom Profiler (Rental)
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
Applanix RTK POS MV WaveMaster II RM INS
QPS Qimera 2
Kongsberg 352P MGC R3 USBL System (Rental)
Impact Subsea ISFMD System Topside Interface Box
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
Applanix POS MV WaveMaster II INS (220) (Rental)
HYPACK HYSWEEP
Impact Subsea ISFMD System Full System
EdgeTech 3400 (Standard) (2-16 kHz) Subbottom Profiler (Rental)
EdgeTech 6205s2 Multibeam Sonar (Rental)
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software
Innomar Deep-36 Subbottom Profiler
iXblue GAPS M7 USBL (Rental)
EdgeTech 2300 Combined Tri-Freq Side Scan Sonar & High Res Subbottom Profiler
USM Compact OTS Sonar Mount (Rental)
EdgeTech 2205 Tri-Frequency Side Scan Sonar (Rental)
Training Onsite - ECHO81 HQ
R2Sonic 2024 Multibeam Sonar (Rental)
QPS Qarto 3
EdgeTech 3400-OTS Low Freq Digital Subbottom Profiler Dual Transmitters
EdgeTech 3400-512E 500 Hz-12 kHz Side Scan Sonar
G882 TVG Transverse Gradiometer (Rental)
Onsite Installation, Integration & Training
USM MegaTower OTS Sonar Mount
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp
Impact Subsea ISFMD System Software License
SeaGear Oceanographic Winch
EdgeTech 3400-OTS Ultra-Lightweight Pole-Mount Subbottom Profiler (4-24 kHz)
CenterPoint RTX Marine
R2Sonic Dual Head Mounting Bracket 2020 (Rental)
QPS TTL/ZDA Splitterbox MK3 (8-way) 19" Rack Mount
Applanix POSPac MMS SmartBase (Rental)
EdgeTech Laptop
Applanix RTK POS MV SurfMaster SFF IP68 INS
HSP 22" Sheave Counter (Rental)
iXblue GAPS M5 USBL (Rental)
Applanix POSPac Go!
Impact Subsea ISM3D (Rental)
Geometrics Magnetometer Telemetry MUX
Applied Acoustics 1100 Series Mini Beacon (Rental)
USM Compact Sonar Mount VOOP Kit (Rental)
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
Applanix RTK POS MV WaveMaster II SFF IP68 INS
SEABER DeepView Side Scan Software
Impact Subsea ISS360HD (Rental)
Impact Subsea ISFMD System ROV Only System
QPS Fledermaus 8
EdgeTech ASSY Top 3400 Subbottom Profiler Pole Mounted Sonar Head
EdgeTech Topside Processor With Starmux IV Interface
Innomar Medium-USV Subbottom Profiler
EdgeTech 4205 Side Scan Sonar Depressor Wing (Rental)
iXblue Rovins INS (Rental)
Applanix POSPac MMS
AML-3 Sound Velocity Profiler 6000m (1000dBar)
Training Onsite Customer Location
Applanix RTK POS MV SurfMaster SFF INS INS
Kongsberg uPAP 200-NEL Portable USBL
USM MegaTower OTS AL Weld Down Plate
Applanix POS MV SurfMaster One INS (Rental)
Innomar Smart Subbottom Profiler
Innomar ISE Processing Software
Innomar Standard -USV Subbottom Profiler
Impact Subsea ISS360
Innomar Standard Subbottom Profiler
Applanix GNSS antenna, 540AP
HYPACK SURVEY
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle
SEABER YUCO-SCAN AUV
OI 24" Sheave Counter with Bluetooth (Rental)
USM HighTower OTS Sonar Mount (Rental)
Trimble SPS851 DGPS Receiver
Applanix GNSS antenna, GA830