Bookshelf speakers Back Bookshelf speakers COLORS specification Description 2-way bookshelf speaker1 x 1.75″ HTD tweeter1 x 10″ HCA mid-wooferFrequency range: 35Hz – 25,000Hz (±3dB)Power handling (RMS/ Peak): 200w/ 800w/ eachSensitivity: 97dBNominal impedance: 8ΩFinished: Calvados PVC PARAMAX D88