System includes: Two Front Speakers Two Rear Speakers 1 Center Speaker PIANO-5 Front Speakers Long Term Power: 100 Watt (RMS) Short Term Power: 200 Watt (Max.) System: 3 way, Bass Reflex Tweeter: 1" silk dome Woofer: 5" Impendence: 8 Ohm Sensitivity(2,83 v/1m) : 89dB Cabinet Finishes: Black (Piano Paint) PIANO-5 Rear Speakers Long Term Power: 60 Watt (RMS) Short Term Power: 120 Watt (Max.) System: 2 way Tweeter: 1" silk dome shielded Woofer: 5" Impendence: 8 Ohm Sensitivity(2,83 v/1m) : 89dB Cabinet Finishes: Black (Piano Paint) PIANO-5 Center Speaker Long Term Power: 80 Watt (RMS) Short Term Power: 160 Watt (Max.) System: 2 way Tweeter: 1" silk dome Woofer: 5" Impendence: 8 Ohm Sensitivity(2,83 v/1m) : 89dB Cabinet Finishes: Black (Piano Paint)