Bowers & Wilkins 606 S2 Anniversary Edition Bookshelf Speakers (Pair)

*Design: 2-way, 2-driver bass reflex with Flowport Technology. *Drive Units. *1 x 25mm (1″) Decoupled Double Dome aluminium high-frequency tweeter. *1 x 165mm (6.5″) Continuum cone FST mid/bass driver. *Frequency Range: -6dB at 40Hz and 33kHz. *Frequency Response: 52Hz – 28kHz ±3dB. *Sensitivity: 88dB SPL (2.83V, 1m). *Harmonic Distortion: 2nd and 3rd harmonics (90dB, 1m); <1% 100Hz – 22kHz; <0.5% 150Hz – 20kHz. *Nominal Impedance: 8 Ohms (minimum 3.7 Ohms). *Port: Rear ported increases bass response based on distance from wall. *Front Grille Covers: Attach magnetically. *Recommended amplifier power: 30 Watts – 120 Watts into 8 Ohms on unclipped programme. *Speaker Wire Terminals: Accept banana plugs (recommended); bare wire or spades