Audio System Maintenance Kit

Sold out.

Blue Ocean Megaphone accessories are no longer available on this website, but you can find the full line of Blue Ocean Audio Equipment at

This small kit, packed in a waterproof bag, contains all the tools you need to take care of your Cox-Box and microphone! Along with laminated, full pictorial instructions for maintenance of the Cox-Box P5, Microphone BNC, and speaker harness connections, this Kit is a must have for every boathouse.The small investment in this kit will offer big returns in the condition of your equipment.

The kit includes:

  • a Nyogel syringe,
  • a container of silicone grease,
  • a drill bit,
  • a small screwdriver
  • 10 grease applicators
  • a small waterproof carry bag
  • a laminated pictorial instruction card clearly showing the maintenance steps for every Cox-Box connector

Domestic Shipping

FREE SHIPPING & RETURNS (on Meters) on orders over $50 in the USA. (USPS)

Free Return policy: Domestic meters can be ordered risk free for 30 days.  

If you would like to return it, simply email us and we'll email you a return label.  You will be responsible for packing, taping, and getting it to UPS or US mail service.  The meter must contain the original box and all that comes with it or there will be a restocking fee of up to 15%.  

We ship via USPS or UPS shipping. You may choose at checkout. 

International Shipping

Shipping outside the USA will have these options with prices at checkout:

  • First Class Mail for $10 on orders under $50 (intended for battery kits & screen protectors)
  • Priority Mail International:  $29 FLAT RATE (Limited Online Tracking)
  • USPS Express Mail: $49 FLAT RATE (Global Online Tracking)
  • UPS Expedited: 2-5 Business Days - Delivery by end of day
  • UPS Express: 1-3 Business Days - Delivery by end of day
  • UPS Saver: 1-3 Business Days - Delivery by end of day