The Nielsen Kellermann Model - 2 loudspeaker is designed to deliver reliable, clear and consistent sound throughout the boat, setting a new standard for robust marine audio systems. Compatible with all previous CoxBox® and wiring systems.
| NK speaker model 2 | NK speaker model 1 | |
| strength | 3.0 watts | 0.25 watts |
| material | polycarbonate | injection molded plastic |
| size | 9 W x 9 H x 5 H | 9 W x 9 H x 5.7 H |
| water resistance | 1 m water depth for 1/2 hour | Not waterproof |
| impact resistance | MIL-STD 810G | not impact resistant |
