Pick up all the details in your favorite music with the Dali Spektor 6. This column speaker has a 25mm tweeter and 2 large 165mm woofers. The tweeter handles the treble in the music, so that the melody sounds clear. The woofers are responsible for the low tones, you can really hear the bass lines. These elements combine to create a detailed sonic image throughout the room. The wooden MDF finish makes the sound extra clear. This material reduces resonance, so there is no sound distortion. The speakers have a recommended amplifier power of 40 to 150 watts. This makes them suitable for most amplifiers. Note: This speaker is sold per unit. You need at least 2 speakers for stereo sound reproduction.