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


















EdgeTech Starmux IV Interface
Applanix POSPac MMS SmartBase (Rental)
CenterPoint RTX Marine
QPS Qastor 3
QPS PPS TTL Adapter
Applanix RTK POS MV OceanMaster RM IP68 INS
HYPACK OFFICE & HYSWEEP OFFICE
EdgeTech 2050-DSS Side Scan Sonar and Subottom Profiler
EdgeTech ASSY Top 3400 Subbottom Profiler Pole Mounted Sonar Head
Trimble SPS851 DGPS Receiver (Rental)
Applanix RTK POS MV OceanMaster RM INS
Kongsberg uPAP 200-NEL Portable USBL (Rental)
HYPACK SURVEY
Impact Subsea FMD System (Rental)
Impact Subsea ISFMD System Full System
USM HighTower Bow Sonar Mount
Applanix RTK POS MV SurfMaster RM INS
Impact Subsea ISD4000
Applanix RTK POS MV OceanMaster SFF IP68 INS
Impact Subsea ISM3D (Rental)
R2Sonic 2026 Multibeam Sonar (Rental)
Innomar ISE Processing Software (Rental)
EdgeTech ASSY Top 3400 Subbottom Profiler Combined Towed & Pole Mounted Sonar
Innomar ROV, AUV Subbottom Profiler
Geometrics G882 Magnetometer Tandem Tow Kit
Impact Subsea ISFMD System ROV Only System
Kongsberg EA 440 Single Beam Echosounder
Applanix Extended POS MV warranty products
Trimble BX992 (Rental)
USM HighTower OTS AL Weld Down Plate
Innomar Deep-36 Subbottom Profiler
G882 TVG Transverse Gradiometer
POSPac MMS SmartBase, USB Licence including 1st year maintenance
Innomar Medium-100 Subbottom Profiler
Innomar Medium-USV Subbottom Profiler (Rental)
OI 24" Sheave Counter with Bluetooth (Rental)
Impact Subsea ISA500 Underwater Altimeter (Rental)
Applanix RTK POS MV SurfMaster SFF IP68 INS
QPS Qimera 2
Onsite Installation, Integration & Training
USM HighTower Bow AL Weld Down Plate
Innomar Medium-100 Subottom Profiler (Rental)
Innomar SixPack Multi Transducer Subbottom Profiler
EdgeTech 2 Foot Depressor Wing Kit for 4205 Side Scan Sonar
AML-3 Sound Velocity Profiler 6000m (1000dBar) (Rental)
Innomar Deep-15 Subbottom Profiler
Innomar Medium-70 Subbottom Profiler
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
Applanix RTK POS MV WaveMaster II RM IP68 INS
Applanix POSPac Go!
EdgeTech 6205s2 Multibeam Sonar With 19" RM Integrated With Applanix POSMV SurfMaster
USM Compact Sonar Mount VOOP Kit
Fugro MarineStar Subscription (Rental)
HYPACK DREDGEPACK
R2Sonic Dual Head Mounting bracket 2024 (Rental)
QPS Qinsy 9 Offshore (Rental)
R2Sonic Dual Head Mounting Bracket 2020 (Rental)
EdgeTech 3400 (Standard) (2-16 kHz) Subbottom Profiler (Rental)
Kongsberg 352P MGC R3 USBL System
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle
SEABER YUCO-CTD AUV
EdgeTech 2205 Tri-Frequency Side Scan Sonar (Rental)
SEABER DeepView Side Scan Software
Applanix POS MV SurfMaster One INS (Rental)
SeaGear Oceanographic Winch (Rental)
Geometrics Magnetometer Telemetry MUX (Rental)
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor (Rental)