YAMAHA | Floor Standing Speakers Pair | NS-F51 BLACKOVERVIEW Type Floor standing passive speakers Colour Black PERFORMANCE Number of speakers 2 (includes 2 x 16 cm (6. 5") cone woofers & 1 x 3 cm (1") soft dome tweeter) Speaker power Nominal input power: 80 W Maximum input power: 240 W Speaker sound level 89 dB Subwoofer Bass reflex port Frequency 43 26 Product Reference Video*** This high performance floor standing speaker uses a two way, three speaker configuration with two 16cm (6 1 2 ) cone woofers