In this review, we will be comparing specifications of 3020i and S15, two Bookshelf cameras from Q Acoustics and Polk Audio.
Let's have a brief look at the main features of Q Acoustics 3020i and Polk S15 before getting into our more detailed comparison.
Let's read on the following sections in order to better understand in detail how Q Acoustics 3020i and Polk S15 compares and hopefully end up with enough arguments to decide which one is better for you.
Both 3020i and S15 are 2-way speakers. 3020i features a 0.9" decoupled Tweeter and 1 5" Coated paper Woofer . On the other hand, S15 features a 1" Terylene Dome Tweeter and 1 5.25" Mica-reinforced polypropylene Woofer with a Crossover frequency at 2500 Hz.
3020i has a frequency range of 64-30k Hz whereas S15 has a frequency range of 50-40k Hz.
Impedance and Sensitivity
3020i is a 6 ohms speaker compared to S15 which has a nominal impedance of 8 ohms. On the other hand, they have the same sensitivity of 88 dB dB.
3020i has a power range of 25-75 watts RMS whereas S15 has a power range of 20-100 watts.
Input Type and Bi-Amping / Bi-Wiring
3020i features Pair of Binding Posts - Gold Plated type posts and S15 has a Pair of Binding Posts - Gold Plated type posts. None of these speakers feature b-amping/bi-wiring.
Cabinet Type and Port Position
Both 3020i and S15 features dual binding post speaker terminals for bi-amping or bi-wiring.