JBL Libra 500 Mixer - Amplifier

JBL Libra 500 Mixer - Amplifier: Features: Portable Design Overload & low voltage protection Desktop design Extendable with its preamp/line output For various PA applications AC & DC Power Supply Rated Power (at THD 10% 240 VAC,1kHz,4Ω) : 500 W DC Power Supply Output Power : ≥ 50% rated power Tone Controls (Bass) : ± 10 dB at 100 Hz Tone Controls: 2 x ( ≥ 16 AWG) Cables 4Ω/8Ω & 70/100V,Barrier Strip (with touch proof cover) Frequency Response : 50-15,000 Hz ± 3dB Output Regulation : ≤ 3 dB,no load to full load at 1kHz Signal to Noise ratio : ≥ 70 dB.