HS7 2-Way 6.5" Bi-Amped Powered Nearfield Monitor 95W Black2 way bass reflex bi amplified nearfield studio monitor with 6. 5" cone woofer and 1" dome tweeter. Ever since the 1970 the iconic white woofer and signature sound of Yamaha nearfield reference monitors have become a genuine industry standard for a reason their accuracy. Unlike studio monitors with added bass or treble frequencies which may sound more flattering at first, HS Series speakers were designed to give you the most honest, precise reference