... with 20 year experience on home theater speakers. Hi-Fi Bookshelf Speaker :Tweeter: 20 inch core silk dome neo tweeter with ... iPod, mp3 players, CD players, computers, cellular phones and other mobile devices.2. Built-in RCA input, 3.5 line in ... .05% (1KHz)S/N Ratio: ≥85dB (A Weighted) Hi-Fi Bookshelf Speaker