1 Study Coverage
1.1 Hydrophone Product Introduction
1.2 Global Hydrophone Outlook 2017 VS 2022 VS 2028
1.2.1 Global Hydrophone Sales in US$ Million for the Year 2017-2028
1.2.2 Global Hydrophone Sales in Volume for the Year 2017-2028
1.3 United States Hydrophone Outlook 2017 VS 2022 VS 2028
1.3.1 United States Hydrophone Sales in US$ Million for the Year 2017-2028
1.3.2 United States Hydrophone Sales in Volume for the Year 2017-2028
1.4 Hydrophone Market Size, United States VS Global, 2017 VS 2022 VS 2028
1.4.1 The Market Share of United States Hydrophone in Global, 2017 VS 2022 VS 2028
1.4.2 The Growth Rate of Hydrophone Market Size, United States VS Global, 2017 VS 2022 VS 2028
1.5 Hydrophone Market Dynamics
1.5.1 Hydrophone Industry Trends
1.5.2 Hydrophone Market Drivers
1.5.3 Hydrophone Market Challenges
1.5.4 Hydrophone Market Restraints
1.6 Study Objectives
1.7 Years Considered
2 Market by Type
2.1 Hydrophone Market Segment by Type
2.1.1 Spherical Hydrophone
2.1.2 Miniature Hydrophone
2.1.3 Standard Measuring Hydrophone
2.2 Global Hydrophone Market Size by Type
2.2.1 Global Hydrophone Sales in Value, by Type (2017, 2022 & 2028)
2.2.2 Global Hydrophone Sales in Volume, by Type (2017, 2022 & 2028)
2.2.3 Global Hydrophone Average Selling Price (ASP) by Type (2017, 2022 & 2028)
2.3 United States Hydrophone Market Size by Type
2.3.1 United States Hydrophone Sales in Value, by Type (2017, 2022 & 2028)
2.3.2 United States Hydrophone Sales in Volume, by Type (2017, 2022 & 2028)
2.3.3 United States Hydrophone Average Selling Price (ASP) by Type (2017, 2022 & 2028)
3 Market by Application
3.1 Hydrophone Market Segment by Application
3.1.1 Research
3.1.2 Industrial
3.1.3 Medical
3.1.4 Military
3.1.5 Others
3.2 Global Hydrophone Market Size by Application
3.2.1 Global Hydrophone Sales in Value, by Application (2017, 2022 & 2028)
3.2.2 Global Hydrophone Sales in Volume, by Application (2017, 2022 & 2028)
3.3.3 Global Hydrophone Average Selling Price (ASP) by Application (2017, 2022 & 2028)
3.3 United States Hydrophone Market Size by Application
3.3.1 United States Hydrophone Sales in Value, by Application (2017, 2022 & 2028)
3.3.2 United States Hydrophone Sales in Volume, by Application (2017, 2022 & 2028)
3.3.3 United States Hydrophone Average Selling Price (ASP) by Application (2017, 2022 & 2028)
4 Global Hydrophone Competitor Landscape by Company
4.1 Global Hydrophone Market Size by Company
4.1.1 Top Global Hydrophone Manufacturers Ranked by Revenue (2021)
4.1.2 Global Hydrophone Revenue by Manufacturer (2017-2022)
4.1.3 Global Hydrophone Sales by Manufacturer (2017-2022)
4.1.4 Global Hydrophone Price by Manufacturer (2017-2022)
4.2 Global Hydrophone Concentration Ratio (CR)
4.2.1 Hydrophone Market Concentration Ratio (CR) (2017-2022)
4.2.2 Global Top 5 and Top 10 Largest Manufacturers of Hydrophone in 2021
4.2.3 Global Hydrophone Market Share by Company Type (Tier 1, Tier 2, and Tier 3)
4.3 Global Hydrophone Manufacturing Base Distribution, Product Type
4.3.1 Global Hydrophone Manufacturers, Headquarters and Distribution of Producing Region
4.3.2 Manufacturers Hydrophone Product Type
4.3.3 Date of International Manufacturers Enter into Hydrophone Market
4.4 Manufacturers Mergers & Acquisitions, Expansion Plans
4.5 United States Hydrophone Market Size by Company
4.5.1 Top Hydrophone Players in United States, Ranked by Revenue (2021)
4.5.2 United States Hydrophone Revenue by Players (2020, 2021 & 2022)
4.5.3 United States Hydrophone Sales by Players (2020, 2021 & 2022)
5 Global Hydrophone Market Size by Region
5.1 Global Hydrophone Market Size by Region: 2017 VS 2022 VS 2028
5.2 Global Hydrophone Market Size in Volume by Region (2017-2028)
5.2.1 Global Hydrophone Sales in Volume by Region: 2017-2022
5.2.2 Global Hydrophone Sales in Volume Forecast by Region (2023-2028)
5.3 Global Hydrophone Market Size in Value by Region (2017-2028)
5.3.1 Global Hydrophone Sales in Value by Region: 2017-2022
5.3.2 Global Hydrophone Sales in Value by Region: 2023-2028
6 Segment in Region Level & Country Level
6.1 North America
6.1.1 North America Hydrophone Market Size YoY Growth 2017-2028
6.1.2 North America Hydrophone Market Facts & Figures by Country (2017, 2022 & 2028)
6.1.3 U.S.
6.1.4 Canada
6.2 Asia-Pacific
6.2.1 Asia-Pacific Hydrophone Market Size YoY Growth 2017-2028
6.2.2 Asia-Pacific Hydrophone Market Facts & Figures by Region (2017, 2022 & 2028)
6.2.3 China
6.2.4 Japan
6.2.5 South Korea
6.2.6 India
6.2.7 Australia
6.2.8 Taiwan
6.2.9 Indonesia
6.2.10 Thailand
6.2.11 Malaysia
6.2.12 Philippines
6.3 Europe
6.3.1 Europe Hydrophone Market Size YoY Growth 2017-2028
6.3.2 Europe Hydrophone Market Facts & Figures by Country (2017, 2022 & 2028)
6.3.3 Germany
6.3.4 France
6.3.5 U.K.
6.3.6 Italy
6.3.7 Russia
6.4 Latin America
6.4.1 Latin America Hydrophone Market Size YoY Growth 2017-2028
6.4.2 Latin America Hydrophone Market Facts & Figures by Country (2017, 2022 & 2028)
6.4.3 Mexico
6.4.4 Brazil
6.4.5 Argentina
6.5 Middle East and Africa
6.5.1 Middle East and Africa Hydrophone Market Size YoY Growth 2017-2028
6.5.2 Middle East and Africa Hydrophone Market Facts & Figures by Country (2017, 2022 & 2028)
6.5.3 Turkey
6.5.4 Saudi Arabia
6.5.5 U.A.E
7 Company Profiles
7.1 High Tech
7.1.1 High Tech Corporation Information
7.1.2 High Tech Description and Business Overview
7.1.3 High Tech Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.1.4 High Tech Hydrophone Products Offered
7.1.5 High Tech Recent Development
7.2 Aquarian Audio
7.2.1 Aquarian Audio Corporation Information
7.2.2 Aquarian Audio Description and Business Overview
7.2.3 Aquarian Audio Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.2.4 Aquarian Audio Hydrophone Products Offered
7.2.5 Aquarian Audio Recent Development
7.3 RESON
7.3.1 RESON Corporation Information
7.3.2 RESON Description and Business Overview
7.3.3 RESON Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.3.4 RESON Hydrophone Products Offered
7.3.5 RESON Recent Development
7.4 Cetacean Research Technology
7.4.1 Cetacean Research Technology Corporation Information
7.4.2 Cetacean Research Technology Description and Business Overview
7.4.3 Cetacean Research Technology Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.4.4 Cetacean Research Technology Hydrophone Products Offered
7.4.5 Cetacean Research Technology Recent Development
7.5 DolphinEar
7.5.1 DolphinEar Corporation Information
7.5.2 DolphinEar Description and Business Overview
7.5.3 DolphinEar Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.5.4 DolphinEar Hydrophone Products Offered
7.5.5 DolphinEar Recent Development
7.6 Ocean Sonics
7.6.1 Ocean Sonics Corporation Information
7.6.2 Ocean Sonics Description and Business Overview
7.6.3 Ocean Sonics Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.6.4 Ocean Sonics Hydrophone Products Offered
7.6.5 Ocean Sonics Recent Development
7.7 Onda Corporation
7.7.1 Onda Corporation Corporation Information
7.7.2 Onda Corporation Description and Business Overview
7.7.3 Onda Corporation Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.7.4 Onda Corporation Hydrophone Products Offered
7.7.5 Onda Corporation Recent Development
7.8 Precision Acoustics
7.8.1 Precision Acoustics Corporation Information
7.8.2 Precision Acoustics Description and Business Overview
7.8.3 Precision Acoustics Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.8.4 Precision Acoustics Hydrophone Products Offered
7.8.5 Precision Acoustics Recent Development
7.9 Ambient Recording
7.9.1 Ambient Recording Corporation Information
7.9.2 Ambient Recording Description and Business Overview
7.9.3 Ambient Recording Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.9.4 Ambient Recording Hydrophone Products Offered
7.9.5 Ambient Recording Recent Development
7.10 B & K
7.10.1 B & K Corporation Information
7.10.2 B & K Description and Business Overview
7.10.3 B & K Hydrophone Sales, Revenue and Gross Margin (2017-2022)
7.10.4 B & K Hydrophone Products Offered
7.10.5 B & K Recent Development
8 Industry Chain and Sales Channels Analysis
8.1 Hydrophone Industry Chain Analysis
8.2 Hydrophone Key Raw Materials
8.2.1 Key Raw Materials
8.2.2 Hydrophone Distributors
8.3 Hydrophone Production Mode & Process
8.4 Hydrophone Sales and Marketing
8.4.1 Hydrophone Sales Channels
8.4.2 Hydrophone Distributors
8.5 Hydrophone Customers
9 Research Findings and Conclusion
10 Appendix
10.1 Research Methodology
10.1.1 Methodology/Research Approach
10.1.2 Data Source
10.2 Author Details
10.3 Disclaimer
List of Tables
Table 1. Hydrophone CAGR in Value, United States VS Global, 2017 VS 2022 VS 2028
Table 2. Hydrophone Market Trends
Table 3. Hydrophone Market Drivers
Table 4. Hydrophone Market Challenges
Table 5. Hydrophone Market Restraints
Table 6. Global Hydrophone Sales by Type: 2017 VS 2022 VS 2028 (US$ Million)
Table 7. United States Hydrophone Sales by Type: 2017 VS 2022 VS 2028 (US$ Million)
Table 8. Global Hydrophone Sales by Application: 2017 VS 2022 VS 2028 (US$ Million)
Table 9. United States Hydrophone Sales by Application: 2017 VS 2022 VS 2028 (US$ Million)
Table 10. Top Hydrophone Manufacturers in Global Market, Ranking by Revenue (2021)
Table 11. Global Hydrophone Revenue by Manufacturer, (US$ Million), 2017-2022
Table 12. Global Hydrophone Revenue Share by Manufacturer, 2017-2022
Table 13. Global Hydrophone Sales by Manufacturer, (K Units), 2017-2022
Table 14. Global Hydrophone Sales Share by Manufacturer, 2017-2022
Table 15. Global Hydrophone Price by Manufacturer (2017-2022) & (USD/Unit)
Table 16. Global Hydrophone Manufacturers Market Concentration Ratio (CR5 and HHI)
Table 17. Global Hydrophone by Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Revenue in Hydrophone as of 2021)
Table 18. Top Players of Hydrophone in Global Market, Headquarters and Distribution of Producing Region
Table 19. Manufacturers Hydrophone Product Type
Table 20. Date of International Manufacturers Enter into Hydrophone Market
Table 21. Manufacturers Mergers & Acquisitions, Expansion Plans
Table 22. Top Hydrophone Players in United States Market, Ranking by Revenue (2021)
Table 23. United States Hydrophone Revenue by Players, (US$ Million), 2020, 2021 & 2022
Table 24. United States Hydrophone Revenue Share by Players, 2020, 2021 & 2022
Table 25. United States Hydrophone Sales by Players, (K Units), 2020, 2021 & 2022
Table 26. United States Hydrophone Sales Share by Players, 2020, 2021 & 2022
Table 27. Global Hydrophone Market Size by Region (US$ Million): 2017 VS 2022 VS 2028
Table 28. Global Hydrophone Sales in Volume by Region (2017-2022) & (K Units)
Table 29. Global Hydrophone Sales in Volume Forecast by Region (2023-2028) & (K Units)
Table 30. Global Hydrophone Sales in Value by Region (2017-2022) & (US$ Million)
Table 31. Global Hydrophone Sales in Value Forecast by Region (2023-2028) & (US$ Million)
Table 32. North America Hydrophone Sales in Volume by Country (2017-2028) & (K Units)
Table 33. North America Hydrophone Sales in Value by Country (2017-2028) & (US$ Million)
Table 34. Asia Pacific Hydrophone Sales in Volume by Region (2017-2028) & (K Units)
Table 35. Asia Pacific Hydrophone Sales in Value by Region (2017-2028) & (US$ Million)
Table 36. Europe Hydrophone Sales in Volume by Country (2017-2028) & (K Units)
Table 37. Europe Hydrophone Sales in Value by Country (2017-2028) & (US$ Million)
Table 38. Latin America Hydrophone Sales in Volume by Country (2017-2028) & (K Units)
Table 39. Latin Americaa Hydrophone Sales in Value by Country (2017-2028) & (US$ Million)
Table 40. Middle East and Africa Hydrophone Sales in Volume by Country (2017-2028) & (K Units)
Table 41. Middle East and Africa Hydrophone Sales in Value by Country (2017-2028) & (US$ Million)
Table 42. High Tech Corporation Information
Table 43. High Tech Description and Business Overview
Table 44. High Tech Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 45. High Tech Hydrophone Product
Table 46. High Tech Recent Development
Table 47. Aquarian Audio Corporation Information
Table 48. Aquarian Audio Description and Business Overview
Table 49. Aquarian Audio Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 50. Aquarian Audio Product
Table 51. Aquarian Audio Recent Development
Table 52. RESON Corporation Information
Table 53. RESON Description and Business Overview
Table 54. RESON Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 55. RESON Product
Table 56. RESON Recent Development
Table 57. Cetacean Research Technology Corporation Information
Table 58. Cetacean Research Technology Description and Business Overview
Table 59. Cetacean Research Technology Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 60. Cetacean Research Technology Product
Table 61. Cetacean Research Technology Recent Development
Table 62. DolphinEar Corporation Information
Table 63. DolphinEar Description and Business Overview
Table 64. DolphinEar Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 65. DolphinEar Product
Table 66. DolphinEar Recent Development
Table 67. Ocean Sonics Corporation Information
Table 68. Ocean Sonics Description and Business Overview
Table 69. Ocean Sonics Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 70. Ocean Sonics Product
Table 71. Ocean Sonics Recent Development
Table 72. Onda Corporation Corporation Information
Table 73. Onda Corporation Description and Business Overview
Table 74. Onda Corporation Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 75. Onda Corporation Product
Table 76. Onda Corporation Recent Development
Table 77. Precision Acoustics Corporation Information
Table 78. Precision Acoustics Description and Business Overview
Table 79. Precision Acoustics Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 80. Precision Acoustics Product
Table 81. Precision Acoustics Recent Development
Table 82. Ambient Recording Corporation Information
Table 83. Ambient Recording Description and Business Overview
Table 84. Ambient Recording Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 85. Ambient Recording Product
Table 86. Ambient Recording Recent Development
Table 87. B & K Corporation Information
Table 88. B & K Description and Business Overview
Table 89. B & K Hydrophone Sales (K Units), Revenue (US$ Million), Price (USD/Unit) and Gross Margin (2017-2022)
Table 90. B & K Product
Table 91. B & K Recent Development
Table 92. Key Raw Materials Lists
Table 93. Raw Materials Key Suppliers Lists
Table 94. Hydrophone Customers List
Table 95. Hydrophone Distributors List
Table 96. Research Programs/Design for This Report
Table 97. Key Data Information from Secondary Sources
Table 98. Key Data Information from Primary Sources
List of Figures
Figure 1. Hydrophone Product Picture
Figure 2. Global Hydrophone Revenue, (US$ Million), 2017 VS 2022 VS 2028
Figure 3. Global Hydrophone Market Size 2017-2028 (US$ Million)
Figure 4. Global Hydrophone Sales 2017-2028 (K Units)
Figure 5. United States Hydrophone Revenue, (US$ Million), 2017 VS 2022 VS 2028
Figure 6. United States Hydrophone Market Size 2017-2028 (US$ Million)
Figure 7. United States Hydrophone Sales 2017-2028 (K Units)
Figure 8. United States Hydrophone Market Share in Global, in Value (US$ Million) 2017-2028
Figure 9. United States Hydrophone Market Share in Global, in Volume (K Units) 2017-2028
Figure 10. Hydrophone Report Years Considered
Figure 11. Product Picture of Spherical Hydrophone
Figure 12. Product Picture of Miniature Hydrophone
Figure 13. Product Picture of Standard Measuring Hydrophone
Figure 14. Global Hydrophone Market Share by Type in 2022 & 2028
Figure 15. Global Hydrophone Sales in Value by Type (2017-2028) & (US$ Million)
Figure 16. Global Hydrophone Sales Market Share in Value by Type (2017-2028)
Figure 17. Global Hydrophone Sales by Type (2017-2028) & (K Units)
Figure 18. Global Hydrophone Sales Market Share in Volume by Type (2017-2028)
Figure 19. Global Hydrophone Price by Type (2017-2028) & (USD/Unit)
Figure 20. United States Hydrophone Market Share by Type in 2022 & 2028
Figure 21. United States Hydrophone Sales in Value by Type (2017-2028) & (US$ Million)
Figure 22. United States Hydrophone Sales Market Share in Value by Type (2017-2028)
Figure 23. United States Hydrophone Sales by Type (2017-2028) & (K Units)
Figure 24. United States Hydrophone Sales Market Share in Volume by Type (2017-2028)
Figure 25. United States Hydrophone Price by Type (2017-2028) & (USD/Unit)
Figure 26. Product Picture of Research
Figure 27. Product Picture of Industrial
Figure 28. Product Picture of Medical
Figure 29. Product Picture of Military
Figure 30. Product Picture of Others
Figure 31. Global Hydrophone Market Share by Application in 2022 & 2028
Figure 32. Global Hydrophone Sales in Value by Application (2017-2028) & (US$ Million)
Figure 33. Global Hydrophone Sales Market Share in Value by Application (2017-2028)
Figure 34. Global Hydrophone Sales by Application (2017-2028) & (K Units)
Figure 35. Global Hydrophone Sales Market Share in Volume by Application (2017-2028)
Figure 36. Global Hydrophone Price by Application (2017-2028) & (USD/Unit)
Figure 37. United States Hydrophone Market Share by Application in 2022 & 2028
Figure 38. United States Hydrophone Sales in Value by Application (2017-2028) & (US$ Million)
Figure 39. United States Hydrophone Sales Market Share in Value by Application (2017-2028)
Figure 40. United States Hydrophone Sales by Application (2017-2028) & (K Units)
Figure 41. United States Hydrophone Sales Market Share in Volume by Application (2017-2028)
Figure 42. United States Hydrophone Price by Application (2017-2028) & (USD/Unit)
Figure 43. North America Hydrophone Sales in Volume Growth Rate 2017-2028 (K Units)
Figure 44. North America Hydrophone Sales in Value Growth Rate 2017-2028 (US$ Million)
Figure 45. U.S. Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 46. Canada Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 47. Europe Hydrophone Sales in Volume Growth Rate 2017-2028 (K Units)
Figure 48. Europe Hydrophone Sales in Value Growth Rate 2017-2028 (US$ Million)
Figure 49. Germany Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 50. France Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 51. U.K. Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 52. Italy Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 53. Russia Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 54. Asia-Pacific Hydrophone Sales in Volume Growth Rate 2017-2028 (K Units)
Figure 55. Asia-Pacific Hydrophone Sales in Value Growth Rate 2017-2028 (US$ Million)
Figure 56. China Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 57. Japan Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 58. South Korea Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 59. India Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 60. Australia Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 61. Taiwan Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 62. Indonesia Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 63. Thailand Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 64. Malaysia Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 65. Philippines Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 66. Latin America Hydrophone Sales in Volume Growth Rate 2017-2028 (K Units)
Figure 67. Latin America Hydrophone Sales in Value Growth Rate 2017-2028 (US$ Million)
Figure 68. Mexico Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 69. Brazil Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 70. Argentina Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 71. Middle East & Africa Hydrophone Sales in Volume Growth Rate 2017-2028 (K Units)
Figure 72. Middle East & Africa Hydrophone Sales in Value Growth Rate 2017-2028 (US$ Million)
Figure 73. Turkey Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 74. Saudi Arabia Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 75. U.A.E Hydrophone Sales in Value Growth Rate (2017-2028) & (US$ Million)
Figure 76. Hydrophone Value Chain
Figure 77. Hydrophone Production Process
Figure 78. Channels of Distribution
Figure 79. Distributors Profiles
Figure 80. Bottom-up and Top-down Approaches for This Report
Figure 81. Data Triangulation
Figure 82. Key Executives Interviewed
Please ask for List of Figures. Request Sample Report
Companies Included in Reports:
High Tech Aquarian Audio RESON Cetacean Research Technology DolphinEar Ocean Sonics Onda Corporation Precision Acoustics Ambient Recording B & K