There is absolutely nothing subtle about Corsair’s SP2500 Gaming Audio Speakers: This monstrous 2.1-channel system could start a riot. After just a few minutes listening to Les Claypool shred his stand-up acoustic bass on the Primus classic “Mr. Krinkle,” with the amp cranked way beyond sensible, we felt an overwhelming urge to start breaking furniture. So we turned the volume down and started hacking zombies in Left4Dead 2, instead.