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 POS MV SurfMaster One INS (Rental)
Impact Subsea ISS360 (Rental)
SeaGear Oceanographic Winch (Rental)
Fugro MarineStar Subscription
Geometrics Magnetometer Telemetry MUX (Rental)
EdgeTech 3400-OTS Ultra-Lightweight Pole-Mount Subbottom Profiler (4-24 kHz)
R2Sonic Dual Head Mounting Bracket 2020 (Rental)
SEABER DeepView Side Scan Software
EdgeTech Laptop
Applanix POS MV OceanMaster INS IP68 (Rental)
Innomar Compact Subbottom Profiler
Applanix GNSS antenna, 540AP
QPS Qinsy 9 Offshore (Rental)
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software
SEABER AML Sensor
Training Onsite Customer Location
HYPACK MAX (Rental)
Applanix POS MV WaveMaster II INS (220) (Rental)
iXblue Rovins INS (Rental)
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp
R2Sonic Dual Head Mounting bracket 2024 (Rental)
EdgeTech 3400 (Standard) (2-16 kHz) Subbottom Profiler (Rental)
Applied Acoustics 1100 Series Mini Beacon (Rental)
EdgeTech 6205s2 Multibeam Sonar
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
Innomar Medium-USV Subbottom Profiler
USM HighTower Bow Sonar Mount (Rental)
Kongsberg 352P MGC R3 USBL System
Innomar ISE Processing Software (Rental)
G882 TVG Transverse Gradiometer (Rental)
HYPACK HYSWEEP
HYPACK ECHO
R2 Sonic (I2INS) Inertial Navigation System (Rental)
EdgeTech 3400-OTS (2-16 kHz or 4-24 kHz) Subbottom Profiler (Rental)
Applanix RTK POS MV OceanMaster SFF INS
EdgeTech Topside Processor With Starmux IV Interface
iXblue GAPS M5 USBL (Rental)
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
Impact Subsea ISA500 Underwater Altimeter
Applanix GNSS antenna, GA830
EdgeTech 2050-DSS Side Scan Sonar and Subbottom Profiler (Rental)
USM Compact Sonar Mount VOOP Kit
Impact Subsea ISM3D (Rental)
Trimble SPS851 DGPS Receiver
Applanix RTK POS MV OceanMaster SFF IP68 INS
Training Onsite - ECHO81 HQ
CenterPoint RTX Marine (Rental)
HSP 22" Sheave Counter
R2Sonic 2024 Multibeam Sonar (Rental)
OI 24" Sheave Counter with Bluetooth (Rental)
HYPACK VIPER
Applanix POSPac MMS SmartBase (Rental)
EdgeTech 3400-OTS Low Freq Subbottom Profiler Pole-Mount SBP & 4 kW Amp
HYPACK DREDGEPACK
Kongsberg uPAP 200-NEL Portable USBL
Applanix RTK POS MV SurfMaster RM IP68 INS
Applanix RTK POS MV SurfMaster RM INS
iXblue GAPS M7 USBL (Rental)
EdgeTech 4125i Dual Frequency Side Scan Sonar (Rental)
Geometrics G882 Magnetometer Tandem Tow Kit (Rental)
Impact Subsea ISD4000
USM High Tower OTS Sonar Mount
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
EdgeTech ASSY Top 3400 Subbottom Profiler Pole Mounted Sonar Head
Impact Subsea FMD System
EdgeTech 2205 Tri-Frequency Side Scan Sonar (Rental)
Onsite Installation, Integration & Training
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor (Rental)
Impact Subsea ISFMD System ROV Only System
EdgeTech ASSY Top 3400 Subbottom Profiler Combined Towed & Pole Mounted Sonar
R2Sonic 2026 Multibeam Sonar (Rental)
AML-3 Sound Velocity Profiler 6000m (1000dBar) (Rental)
HYPACK OFFICE
Innomar Medium-100 Subottom Profiler (Rental)
HYPACK LITE
HYPACK SURVEY
Innomar Medium-100 Subbottom Profiler
Trimble BX992 (Rental)
EdgeTech 4125i Dual Frequency Side Scan Sonar
Innomar Light Subbottom Profiler
Impact Subsea ISS360HD