Dali Concept Loudspeakers This compact, but powerful loudspeaker is for those who need great sound! The Dali Concept 1 is a great stereo solution.The Concept 1 is a 2-way bass reflex system, fully magnetically shielded and with gold-plated terminals. It features a 5" mid/woofer driver and a 1" soft dome tweeter. Place it on a bookshelf, hang it on the wall (wall bracket included) or put it on a pedestal. Enjoy the beautiful sound that comes out of it.... They are in a very good condition, look at the photo's Speaker wire included! Specifications: Speaker Type Front or Rear or Surround Frequency Range (+/-3 dB) [Hz] 62.5 - 22,500 Sensitivity (2,83 V/1 m) [dB] 87.0 Nominal Impedance [Ω] 8 Maximum SPL [dB] 106 Recommended Amplifier Power [W] 25 - 100 Crossover Frequency [Hz] 3,000 Hz High Frequency Driver 1 x 1" Soft Textile Dome Low Frequency Driver 1 x 5" Paper Fibre Cone Enclosure Type Bass Reflex Bass Reflex Tuning Frequency [Hz] 58,5 Connection input(s) Single Wire Magnetic Shielding Semi Magnetic Shielded Recommended Placement On-Wall or Shelf or Stand Dimensions With Base (HxWxD) [mm] 310 x 170 x 190 Weight [kg] 4.0