KXB15 Keyboard Amplifier KXB15 TECHNICAL SPECIFICATIONS: Maximum Input Signal Level Accepted 15 volts peak to peak load – 120 VAC line Low Control 15dB Range @ 50Hz Low Mid Control 12dB Range @ 250Hz High Mid Control 13dB Range @ 1kHz High Control 27dB Range @ 10kHz Input Power Requirements 120 VAC, 60Hz, 30VA 100/110 VAC, 50/60Hz, 30VA 230 VAC, 50/60Hz, 30VA Speaker Size and Rating Crate Custom Design 8”, 15 watts Cabinet Size and Weight 14” H x 15” W x 12-1/2” D, 19 lbs.