The SK-4P BK from SKP is a power speaker, which comes with 3 channels, a USB player and a line input. It also includes a special microphone input for animations or karaoke.

• 250W rms power Program power 500W Maximum power 1000W Frequency response 40Hz - 18KHz Woofer diameter 38.1cm (15) Magnet 40 Oz / Coil 2.5 Kapton VC High frequency driver 44 mm (1.75) Titanium Diaphragm with hyperbolic horn Horn 90º x 50º Power supply 110V - 220V - 60/50 Hz Sensitivity 94 dB (@1W/1m) Maximum sound pressure level 124dB