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 OceanMaster INS IP68 (Rental)
Applanix POSPac MMS
EdgeTech 3400-OTS Low Freq Digital Subbottom Profiler Dual Transmitters
Applied Acoustics 1100 Series Mini Beacon (Rental)
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
EdgeTech 3400-OTS Ultra-Lightweight Pole-Mount Subbottom Profiler (4-24 kHz)
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp
Applanix RTK POS MV WaveMaster II RM INS
Applanix GNSS antenna, 540AP
USM MegaTower OTS AL Weld Down Plate
USM HighTower Bow Sonar Mount (Rental)
EdgeTech 2205 Tri-Frequency Side Scan Sonar
EdgeTech 3400-OTS (2-16 kHz or 4-24 kHz) Subbottom Profiler (Rental)
EdgeTech Topside Processor With Starmux IV Interface
QPS Fledermaus 8
Applanix RTK POS MV OceanMaster SFF INS
Applanix POS MV WaveMaster II INS (220) (Rental)
Applanix POS MV SurfMaster One INS
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
EdgeTech 6205s2 Multibeam Sonar
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
AML-3 Sound Velocity Profiler 6000m (1000dBar)
USM MegaTower OTS Sonar Mount
USM High Tower OTS Sonar Mount
Applanix POSPac Go!
USM Compact Sonar Mount VOOP Kit (Rental)
EdgeTech 2050-DSS Side Scan Sonar and Subbottom Profiler (Rental)
EdgeTech 4205 Side Scan Sonar Depressor Wing
CenterPoint RTX Marine
EdgeTech 3400-512E 500 Hz-12 kHz Side Scan Sonar
Applanix GNSS antenna, GA830
Applanix POSPac MMS SmartBase (Rental)
Applanix RTK POS MV OceanMaster SFF IP68 INS
Impact Subsea ISA500 Underwater Altimeter
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
Impact Subsea ISS360HD
Innomar Compact Subbottom Profiler (Rental)
USM HighTower Bow AL Weld Down Plate
Innomar SixPack Multi Transducer Subbottom Profiler
Impact Subsea ISFMD System Topside Interface Box
Impact Subsea ISS360
Innomar ISE Processing Software
QPS FMGeocoder
Impact Subsea ISFMD System Full System
Impact Subsea ISFMD System ROV Only System
Impact Subsea ISM3D
Trimble BX992 (Rental)