SPEAKER FOR KEYBOARD Self-amplified screen of 280W cont. Class D amplifier 2 x 90W RMS. laminated oak finish. Specifically designed for use for liturgical organ sound. Professional equalizer. 12' loudspeaker for bass and 8' for midrange + 1 Tweeter. Energy saving function. Remote control. Frequency range from 38 to 18000 Hz. Max SPL 118 dB.