Typically you'll find most bookshelf speakers not only come in a box, they are a box. and while that might be better for production costs, it isn't better for sound reproduction. the sp-bs41-lr speakers utilize a true curved cabinet design...

# -Way Crossover System # Suitable for all speakers 3.5", 4", 5.25", 6.5", 6X8" 6X9" # Power Handling between 25 to 150 Watts RMS # 12dB Per Octave Crossover Network # 100V Capacitor modules # Dual wrapped coil windings # 0dB/+3dB Selectable Switch

POLK PSW505 - This high quality powered subwoofer makes opens a whole new dimension of thrilling low end sound for audio and home theater systems alike. This versatile, clinically accurate beast handles bombs and bullets and delicate string sections with equal finesse...

Quality matters! Stiff and light cone materials, precision shaped wooden enclosure and raised crossover points of the midrange and tweeter assemblies, make these speakers very efficient at vibrating air...

The Acoustimass 6 Series III home entertainment speaker system puts high-performance sound for music and movies well within reach. Proprietary Bose technology brings lifelike sound to your stereo or home theater components...

Part of Pyle's Gear series, this component kit is designed to provide the best quality sound for the budget-minded. Includes one pair of 6.5-inch mid-bass speakers, one pair of 0.5-inch tweeters, one pair of passive crossover devices, a wiring kit, grills, and installation hardware--it's a perfect way to upgrade and expand the range of your factory system...

Now you can use your computer speakers and headset at the same time with this Plantronics PC Speaker Headset switch. You can easily swap between your speakers and headset at the touch of a button. Its small size doesnM-^Rt take up any space and it installs in seconds...

This landmark Energy 5.1 Take Classic home entertainment system flaunts superior MDF cabinets finished in sophisticated high-gloss black. It includes a powerful 200-watt subwoofer with a front-firing port, 8" driver and patented Ribbed Elliptical Surround(TM) for well-defined bass reproduction...

Ultimate Ears Cardboard Box Packaging Gunmetal Blue In-ear earphones metallic travel case 1/4" adapter jack attenuator cleaning tool kit kit Extender Cable Housed within the universal body are three individual speakers and an integrated passive crossover circuit board that directs the low-end frequencies to a dedicated speaker for bass the mid-range frequencies to a speaker for the vocals and the high frequencies to a speaker dedicated for treble...