Clarion CM1680A
16.5cm Marine-Use Dual-Cone Speakers
· Waterproof 165 mm dual polypropylene cone speaker
· Magnetically shielded enclosure
· Non-oxidising (in salt water) and UV radiation resistant cone
· Special speaker cover made from ABS synthetics
· Frequency response: 30 ~ 18,000 Hz
· Efficiency: 89 dB/W/m