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 MAX & HYSWEEP
Innomar SixPack Multi Transducer Subbottom Profiler
Impact Subsea ISFMD System Full System
Applanix GNSS antenna, GA830
Impact Subsea ISM3D (Rental)
SeaGear Oceanographic Winch
EdgeTech 2205 Tri-Frequency Side Scan Sonar & Subbottom Profiler (Rental)
USM High Tower OTS Sonar Mount
USM Compact Sonar Mount VOOP Kit (Rental)
EdgeTech 2300 Combined Tri-Freq Side Scan Sonar & High Res Subbottom Profiler
Innomar ISE Processing Software (Rental)
Innomar Medium-USV Subbottom Profiler
USM MegaTower OTS AL Weld Down Plate
USM Compact OTS Sonar Mount (Rental)
Impact Subsea ISA500 Underwater Altimeter (Rental)
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Pole Mount Adapter
Innomar Deep-36 Subbottom Profiler
EdgeTech 6205s2 Multibeam Sonar
Innomar Deep-15 Subbottom Profiler
HYPACK HYSWEEP
EdgeTech 4205 Tri-Frequency Side Scan Sonar
Innomar Medium-70 Subbottom Profiler
EdgeTech Laptop
Geometrics TVG Frame (Frame Only) (Rental)
EdgeTech 3400-OTS Ultra-Lightweight Pole-Mount Subbottom Profiler (4-24 kHz)
USM HighTower Bow AL Weld Down Plate
Applanix POS MV OceanMaster INS IP68 (Rental)
Innomar Compact Subbottom Profiler
HYPACK WATER QUALITY MAPPING
Kongsberg cNODE Micro 31-180 Beacon
HYPACK LITE
EdgeTech 3400-OTS Low Freq Digital Subbottom Profiler Dual Transmitters
Innomar Quattro Multi Transducer Subbottom Profiler
Impact Subsea ISFMD System Software License
Impact Subsea ISS360HD
Innomar ROV, AUV Subbottom Profiler
Applanix POS MV SurfMaster One INS (Rental)
Geometrics G882 Magnetometer Tandem Tow Kit (Rental)
Innomar Light Subbottom Profiler
HYPACK DREDGEPACK
Applanix RTK POS MV WaveMaster II RM INS
HSP 22" Sheave Counter
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle
iXblue Rovins INS (Rental)
Impact Subsea ISFMD System Topside Interface Box
Innomar Smart Subbottom Profiler
USM MegaTower OTS Sonar Mount (Rental)
EdgeTech 3400-OTS (2-16 kHz or 4-24 kHz) Subbottom Profiler (Rental)
Applanix RTK POS MV WaveMaster II SFF INS
QPS FMGeocoder
Applanix GNSS antenna, 540AP
EdgeTech 4125i Dual Frequency Side Scan Sonar
Applanix POSPac Go!
Applanix RTK POS MV WaveMaster II SFF IP68 INS
EdgeTech Topside Processor With Starmux IV Interface
QPS Fledermaus 8
Innomar Medium-100 Subbottom Profiler
Impact Subsea ISD4000
EdgeTech 2050-DSS Side Scan Sonar and Subbottom Profiler (Rental)
Applanix POSPac MMS SmartBase (Rental)
CenterPoint RTX Marine
HYPACK VIPER
HYPACK OFFICE & HYSWEEP OFFICE
AML-3 Sound Velocity Profiler 6000m (1000dBar)
EdgeTech 3400-512E 500 Hz-12 kHz Side Scan Sonar
Applanix Extended POS MV warranty products
HYPACK SURVEY
EdgeTech ASSY Top 3400 Subbottom Profiler Pole Mounted Sonar Head
Training Onsite - ECHO81 HQ
Impact Subsea FMD System (Rental)
Trimble SPS851 DGPS Receiver (Rental)
Innomar Standard Subbottom Profiler
Applanix RTK POS MV SurfMaster RM IP68 INS
AML-3 Sound Velocity Profiler 500m (100dBar)(Rental)
EdgeTech 2000-DSS Side Scan Sonar and Subbottom Profiler (Rental)