Q-Acoustics 3030i - English Walnut. The Q Acoustics 3030i is the latest bookshelf or stand-mount addition to our award-winning 3000i loudspeaker range. The 3030i features an oversized 165mm mid/bass driver developed from the big, powerful 3050i floorstander, and it’s also fitted with that speaker’s 25mm decoupled tweeter.