Polk Monitor XT10 Home Subwoofer, 10" Deep Bass Woofer Panamax M4315-PRO Power Conditioner/Surge Protector 15 Amp and the spring steel headband

and the spring steel headband will make the 99 Classics an heirloom rather than just a pair of headphones

High-contrast 3-line display with 2-zone variable-color illumination

The extreme AC demands encountered in the professional audio/video arena have required technological developments far in excess of typical home theater/audiophile power products

For a smoother response and improved durability

The driver's cast ABS-fiberglass composite basket ensures precision component alignment and excellent thermal transfer

Polk Monitor XT10 Home Subwoofer, 10" Deep Bass Woofer Panamax M4315-PRO Power Conditioner/Surge Protector 15 Amp and the spring steel headbandPolk Monitor XT10 Home Subwoofer, 10" Deep Bass Woofer Experience room filling, high resolution sound for your movies, gaming, and music with Polk MXT10 home theater subwoofer. Featuring 100 Watts of Class D Amplification, a Dynamically Balanced acoustic array with a 10 inch long throw, high excursion down firing subwoofer, with consistently variable crossover, delivering crystal clear, highly detailed bass no matter what type of music youre listening