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 352P MGC R3 USBL System
EdgeTech 3400-OTS (2-16 kHz or 4-24 kHz) Subbottom Profiler (Rental)
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
Impact Subsea ISD4000 (Rental)
HYPACK SURVEY
Geometrics TVG Frame (Frame Only)
EdgeTech 4205 Side Scan Sonar Depressor Wing
Innomar Compact Subbottom Profiler (Rental)
EdgeTech 3400-OTS Low Freq Subbottom Profiler Pole-Mount SBP & 4 kW Amp
OI 24" Sheave Counter with Bluetooth (Rental)
USM Compact Sonar Mount VOOP Kit (Rental)
HYPACK SURVEY & HYSWEEP
HYPACK LITE
iXblue Rovins INS (Rental)
Applanix RTK POS MV SurfMaster SFF IP68 INS
HYPACK WATER QUALITY MAPPING
Geometrics G882 Magnetometer
HYPACK VIPER
Applanix POSPac Go!
EdgeTech 2050-DSS Side Scan Sonar and Subottom Profiler
Impact Subsea FMD System
Applanix RTK POS MV OceanMaster RM IP68 INS
EdgeTech 3400-512E 500 Hz-12 kHz Side Scan Sonar
EdgeTech 4125i Dual Frequency Side Scan Sonar (Rental)
Innomar SixPack Multi Transducer Subbottom Profiler
QPS Qimera 2
QPS TTL/ZDA Splitterbox MK3 (8-way) 19" Rack Mount
Kongsberg cNODE Micro 31-180 Beacon
HSP 22" Sheave Counter
Innomar Deep-15 Subbottom Profiler
Impact Subsea ISS360
CenterPoint RTX Marine
HYPACK OFFICE & HYSWEEP OFFICE
EdgeTech ASSY Top 3400 Subbottom Profiler Pole Mounted Sonar Head
HYPACK MAX & HYSWEEP (Rental)
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
Geometrics Magnetometer Telemetry MUX
EdgeTech Starmux IV Interface
Impact Subsea ISM3D
Onsite Installation, Integration & Training
iXblue GAPS M5 USBL (Rental)
USM Compact OTS AL Weld Down Plate
Innomar Deep-36 Subbottom Profiler
Impact Subsea ISA500 Underwater Altimeter
EdgeTech 2300 Combined Tri-Freq Side Scan Sonar & High Res Subbottom Profiler
Innomar Medium-USV Subbottom Profiler
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor
Kongsberg uPAP 200-NEL Portable USBL (Rental)
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software (Rental)
iXblue GAPS M7 USBL (Rental)
USM HighTower Bow Sonar Mount
Impact Subsea ISFMD System ROV Only System
Innomar ROV, AUV Subbottom Profiler
QPS Qastor 3
Innomar ISE Processing Software (Rental)
Kongsberg EA 440 Single Beam Echosounder
Innomar Standard -USV Subbottom Profiler
Innomar Light Subbottom Profiler
POSPac MMS SmartBase, USB Licence including 1st year maintenance
EdgeTech 3400 (Standard) (2-16 kHz) Subbottom Profiler (Rental)
Innomar Smart Subbottom Profiler
Impact Subsea ISFMD System Full System
Innomar Medium-70 Subbottom Profiler
Fugro MarineStar Subscription (Rental)
EdgeTech 2205 Tri-Frequency Side Scan Sonar & Subbottom Profiler (Rental)
Innomar Standard Subbottom Profiler
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
Innomar Medium-100 Subbottom Profiler