# Underwater Acoustic Recorder Canonical: https://abierto.us/opportunities/n6660426q0054 - Solicitation number: N6660426Q0054 - Notice type: Combined synopsis and solicitation - Status: Closed. Deadline was November 21, 2025 at 12:00 PM EST - Department: Department of the Navy - Agency: Department of the Navy - Contracting office: NUWC Div Newport (N66604) - NAICS: 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals - Product or service code: 5835 Sound Recording and Reproducing Equipment - Set-aside: Total small business set-aside - Place of performance: Newport, Rhode Island - County: Newport County (FIPS 44005). https://abierto.us/counties/newport-county-ri-44005 - City: Newport. https://abierto.us/cities/newport-ri-4449960 - First posted: November 12, 2025 - Last posted: November 19, 2025 - SAM.gov: https://sam.gov/workspace/contract/opp/489231d5a04948d59c0b0b0fedbf6ac5/view ## Description Please see attached RFQ for details about this opportunity. 11/12/2025 AMENDMENT 0001 Solicitation amended to clarify the required item as Underwater Acoustic Recorder. 11/13/2025 AMENDMENT 0002 Solicitation amended to answer questions from industry. **QUESTION:** What is the deployment depth for these recorders? **ANSWER:** 50-70 MAX 11/13/2025 AMENDMENT 0003 Solicitation amended to answer questions from industry. As a result of this modification the RFQ has been amended to include all minimum requirements. **QUESTION:** Are you looking for a recording and data logging device for acoustic monitoring, or exploring something aligned with positioning, tracking, or vehicle based operations? **ANSWER:** Recording and data logging device for acoustic monitoring. 11/14/2025 - AMENDMENT 0004 Solicitation amended to answer questions from industry. **QUESTION:** Could you please confirm whether these recorders are intended to be mounted on a seabed frame or if they will be mounted on a vessel? **ANSWER:** They are intended to be mounted on a riverbed frame. 11/18/2025 - AMENDMENT 0005 Solicitation amended to answer questions from industry and to provide a 1x time extension to the solicitation until November 19, 2025 1200 EST. QUESTION: We have a French vendor that could provide the necessary hardware, shipped to MAI in the US/inventoried here/configured here; and likely hand delivered (or shipped if preferable) to NUWC. Would this be an acceptable approach assuming all other aspects of RFQ are satisfied? **ANSWER:** Quoted items must meet Government's Minimum Specifications IAW RFQ. **QUESTION:** How will the recorders be deployed ? Would mounting brackets (mooring frame) be necessary ? **ANSWER:** In a custom frame or mounts; it does not have to be provided as part of this requirement. **QUESTION:** Do you need 2TB or 4 TB for storage capacity ? **ANSWER:** Min. 2TB. Typical sampling rate minimum 256 kS/s QUESTION: At what depth will recorders be deployed? **ANSWER:** **50-70m QUESTION:** What is the frequency range of interest? **ANSWER:** 20 Hz - 150 kHz QUESTION: Does it need to be able to record 150days or the battery life of 150days only? **ANSWER:** 150 days of continuous recording minimum. 11/19/2025- AMENDMENT 0006 Amendment to offer clarification to minimum specifications and extend response time. Please see attached N6660426Q00540006 for details. ## Publications - November 12, 2025: Combined synopsis and solicitation, due November 18, 2025 at 12:00 PM EST. Notice 6db7f9ac3b3d45d6a87d160ed46432e9. https://sam.gov/workspace/contract/opp/6db7f9ac3b3d45d6a87d160ed46432e9/view - November 12, 2025: Combined synopsis and solicitation, due November 18, 2025 at 2:00 PM EST. Notice d0b7433cbdf0409ba20f31f74c03a6e3. https://sam.gov/workspace/contract/opp/d0b7433cbdf0409ba20f31f74c03a6e3/view - November 12, 2025: Combined synopsis and solicitation, due November 18, 2025 at 12:00 PM EST. Notice f6b441ad2c5f423b930d26a9fd0ef0e1. https://sam.gov/workspace/contract/opp/f6b441ad2c5f423b930d26a9fd0ef0e1/view - November 13, 2025: Combined synopsis and solicitation, due November 18, 2025 at 12:00 PM EST. Notice 062bbdae25f84c058628a80dbf63a01b. https://sam.gov/workspace/contract/opp/062bbdae25f84c058628a80dbf63a01b/view - November 13, 2025: Combined synopsis and solicitation, due November 18, 2025 at 12:00 PM EST. Notice 78f219de78144d23965f64020d003ef1. https://sam.gov/workspace/contract/opp/78f219de78144d23965f64020d003ef1/view - November 14, 2025: Combined synopsis and solicitation, due November 18, 2025 at 12:00 PM EST. Notice 1ac76d02bf594159abed5d9bbadbeb20. https://sam.gov/workspace/contract/opp/1ac76d02bf594159abed5d9bbadbeb20/view - November 18, 2025: Combined synopsis and solicitation, due November 19, 2025 at 12:00 PM EST. Notice 521d85e0cb3142d7bfc33fb2eca6c1c3. https://sam.gov/workspace/contract/opp/521d85e0cb3142d7bfc33fb2eca6c1c3/view - November 19, 2025: Combined synopsis and solicitation, due November 21, 2025 at 12:00 PM EST. Notice 489231d5a04948d59c0b0b0fedbf6ac5. https://sam.gov/workspace/contract/opp/489231d5a04948d59c0b0b0fedbf6ac5/view ## Points of contact - Maria Diaz-Sotomayor, maria.d.diaz-sotomayor.civ@us.navy.mil, 4018322028 --- Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/n6660426q0054.