PRV Audio Pro Audio Loudspeakers 8MB600 mid-bass woofer offers outstanding output, as well as extreme midbass punch. Useful response up to 4 kHz allows you to combine the 8MB600 with many different high frequency drivers, and is a perfect option for midrange driver replacements in three-way cabinets, but can also be used as a woofer in a ported 10 liter studio monitor cabinet tuned to 75 Hz. The 8MB600 has been selected for many home audio applications and Hi-Fi systems including bookshelf speakers and custom surround sound installations.