BA115 BASS AMPLIFIER TECHNICAL SPECIFICATIONS: OUTPUT POWER RATING MAX INPUT LEVELS 100 Watts at 4 ohms 0dB Input: 1.75V RMS -15dB Input: 9.75V RMS CD Input: 5V RMS 120mV RMS 3.75V RMS 39dB 1 = -25dB @500Hz 2 = -12dB @500Hz 3 = flat 4 = +5dB @2kHz and above 5 = -6dB @50Hz and below 40dB range @10kHz 30dB range @500Hz 36dB range @50Hz 15”, 150 w, 4 ohm, 2.5” voice coil dia., 56 oz. magnet; Piezo tweeter 120VAC, 60Hz, 70VA 100/115VAC, 50/60Hz, 70VA 230VAC, 50/60Hz, 70VA 21” W x 21” H x 15-1/2” D; 62 lbs.