Amplifier used as part of a DJ setup

A Yamaha F1030 amplifier. The front of the amplifier is all black with off-white text. The text at the top center reads: [YAMAHA / FREQUENCY DIVIDING NETWORK / MODEL F1030]. The front also includes a power button and nine dials that include: mode selector, input, cross over frequency, low, middle and high. The top has diagrams and an inscription of DJ Tony Tone’s signature. The back of the amplifier has a power cord that is stored around edge. The back has five power outlets with off-white type to indicate each outlets purpose. On the proper right side of the back, there are two caution message in off-white and white type. There is also model and serial information in white type that reads: [F1030 / SER. No. 1792 / PATENT PENDING / 117 V 10 W 50/60 Hz ~ / Nippon Gakki Co., LTD. / HAMAMATSU JAPAN]. At the bottom corner of the proper right side there is a fuse button.