Great for outside your home, camper or RV, the MS-OS420 2-Way 100W Box Speakers are carefully designed and manufactured specifically for outdoor use. Featuring an adjustable mounting bracket with all mounting hardware supplied, these speakers can be easily mounted anywhere. They are perfect for installation on alloy campers where flush mount speakers are not always practical. The solid construction and powerful sound, combined with competitive pricing, make the MS-OS420 speakers a great value-for-money option. Features: 1 – Perfect for areas that do not have space for speaker cut outs, simply mount the speakers anywhere for quick and easy installation. 2 – The versatile MS-OS420 speakers have been designed specifically for use outdoors. 3 – The MS-OS420 speakers are supplied with an adjustable mounting bracket and the hardware required for installation. Specification: RMS Power – 25 W, Woofer Size – 4“, Cone Material - Polypropylene/NBR Surround, Efficiency – 86dB, Frequency Response - 80Hz – 20kHz, Impedance - 4 Ohm