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


















Innomar Compact Subbottom Profiler (Rental)
R2Sonic Dual Head Mounting Bracket 2020 (Rental)
iXblue Rovins INS (Rental)
Trimble SPS851 DGPS Receiver
EdgeTech 4205 Side Scan Sonar Depressor Wing (Rental)
Fugro MarineStar Subscription
EdgeTech 2050-DSS Side Scan Sonar and Subottom Profiler
QPS Qinsy 9
EdgeTech Laptop
Onsite Installation, Integration & Training
Geometrics G882 Magnetometer Tandem Tow Kit
QPS Qimera 2 (Rental)
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp
EdgeTech 2205 Tri-Frequency Side Scan Sonar & Subbottom Profiler
Applanix POS MV OceanMaster INS IP68 (Rental)
Geometrics Magnetometer Telemetry MUX (Rental)
Innomar SixPack Multi Transducer Subbottom Profiler
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
SeaGear Oceanographic Winch (Rental)
iXblue GAPS M5 USBL (Rental)
USM High Tower OTS Sonar Mount
Applanix POS MV SurfMaster One INS (Rental)
HYPACK WATER QUALITY MAPPING
R2Sonic 2022 Multibeam Sonar (Rental)
USM HighTower Bow Sonar Mount (Rental)
SEABER DeepView Side Scan Software
Impact Subsea ISS360HD (Rental)
EdgeTech 3400-OTS Ultra-Lightweight Pole-Mount Subbottom Profiler (4-24 kHz)
Impact Subsea ISA500 Underwater Altimeter (Rental)
Kongsberg cNODE Micro 31-180 Beacon
Applanix RTK POS MV SurfMaster SFF INS INS
EdgeTech 2000-DSS Side Scan Sonar and Subbottom Profiler (Rental)
EdgeTech 3400-OTS (2-16 kHz or 4-24 kHz) Subbottom Profiler (Rental)
EdgeTech 4125i Dual Frequency Side Scan Sonar
USM Compact OTS AL Weld Down Plate
USM Compact OTS Sonar Mount
G882 TVG Transverse Gradiometer
Innomar Deep-36 Subbottom Profiler
Applanix Extended POS MV warranty products
R2Sonic Dual Head Mounting bracket 2024 (Rental)
EdgeTech Starmux IV Interface
Innomar Medium-USV Subbottom Profiler (Rental)
HYPACK VIPER
SEABER YUCO-CTD AUV
QPS Fledermaus 8
Applanix GNSS antenna, 540AP
Impact Subsea ISFMD System Topside Interface Box
Training Onsite - ECHO81 HQ
Impact Subsea ISS360
QPS PPS TTL Adapter
EdgeTech 6205s2 Multibeam Sonar (Rental)
Applanix POSPac MMS SmartBase (Rental)
R2Sonic 2024 Multibeam Sonar (Rental)
HYPACK OFFICE & HYSWEEP OFFICE
R2 Sonic (I2INS) Inertial Navigation System (Rental)
Applanix RTK POS MV WaveMaster II RM INS
EdgeTech 3100P Sub Bottom Profiler (4-24 kHz) (Rental)
Applanix POS MV WaveMaster II INS (220) (Rental)
EdgeTech 2300B Combined Tri-Frequency Side Scan Sonar With 3D Bathy & High Res Subbottom Profiler (Rental)
HYPACK LITE
QPS Qastor 3
USM Compact Sonar Mount VOOP Kit (Rental)
Impact Subsea ISFMD System ROV Only System
Trimble BX992 (Rental)
Innomar ISE Processing Software (Rental)
HYPACK HYSWEEP
QPS FMGeocoder
USM HighTower Bow AL Weld Down Plate
Kongsberg uPAP 200-NEL Portable USBL (Rental)
HYPACK DREDGEPACK
Kongsberg 352P MGC R3 USBL System (Rental)
Kongsberg cNODE MiniS 31-180 Beacon w/Pressure Sensor
HSP 22" Sheave Counter (Rental)
R2Sonic 2026 Multibeam Sonar (Rental)
EdgeTech 2300 Combined Tri-Freq Side Scan Sonar & High Res Subbottom Profiler
SonarWiz
EdgeTech 3400-OTS Low Freq Digital Subbottom Profiler Dual Transmitters
Impact Subsea ISFMD System Full System
Innomar Deep-15 Subbottom Profiler
Applanix RTK POS MV SurfMaster RM INS
Innomar Quattro Multi Transducer Subbottom Profiler
USM MegaTower OTS Sonar Mount
Applanix RTK POS MV WaveMaster II SFF IP68 INS
Kongsberg EA 440 Single Beam Echosounder
Innomar Light Subbottom Profiler
Applanix RTK POS MV SurfMaster RM IP68 INS
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
Applanix POSPac MMS
EdgeTech ASSY Top 3400 Subbottom Profiler Combined Towed & Pole Mounted Sonar
Applanix POSPac Go!
HYPACK MAX & HYSWEEP (Rental)
AML-3 Sound Velocity Profiler 6000m (1000dBar)