Boston Acoustics Reflection Series RS 230 Satellite/Bookshelf Speaker (Gloss Black， Each) (Discontinued by Manufacturer)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>3.5 -inch Deep Channel Design (DCD) mid-bass driver delivers smooth， extended response</li><li>1-Inch (25mm) EWB (Extended Wide Bandwidth) tweeter delivers exceptional clear and detailed highs</li><li>Elegant， scratch resistant high gloss piano black lacquer finish</li><li>Magnetic grille minimizes acoustical interference for an improved soundstage</li><li>Nominal 8-Ohm impedance and 87 dB sensitivity</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41JRQhlK47L.jpg" noproxy>