NEXUS speaker F-LHY6.5D black Built-in 100v/70v transformer Wall mount type loudspeaker Impedance: 8 ohms Bass speaker: 5.25″ (131mm) High-pitched speaker: 0.5″(13mm) Sensitivity: 88±2dB/M/W Frequency Range: 75-18KHz(-10dB) Power Taps @100V: 20W, 30W Mounting: Flush-mount dog ears Frequency Range: 70HZ-18KHZ Dimensions: 170*155*250 mm Ready Color: black