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Audio Proton Rock series offers two popular models ,powerful with multi-purpose usage and high reliability. Audio Proton electronic engineers spent long time studying the raw materials from VIP suppliers. After countless tests ,they found the best quality components for Audio Proton series amplifiers without any compromise. This ensures Hi-Fi sound and high damping factor, suitable for multi- power output. PA Amplifiers are sweet sounding and newly designed for use in wide variety of installation .Rock series is mixer PA amplifier Rock 500 EUR with 500watts and Rock 300 EUR is 300 watts six unbalanced mic inputs, along with 2 Aux inputs and a built –in MP3 playback facility. Apart from the MP3 facility Rock can be operated with USB pen drives and SD cards as well .A Back it LCD Display shows the track being played and along with the timer. The Master output is for connecting to booster amplifier and line input for connecting external PA audio mixer. It comes with the preamp for recoding on a cassette recorder. Tonal adjustments is provided for the Cut- boost type treble and bass controls. A-5 LED array display output .Do not play at such high volume setting that volume settings that both red LEDS are always ON. Box speakers / diver unit selector switch has been provided for protecting the driver units diagram from unwanted low frequencies . Since box speakers can reproduce the full spectrum of audio frequencies but driver units cannot reproduce very low frequencies ,the switch should be positioned to the driver unit side when Driver units side when Driver Units Horns and Column speakers are connected. To Safeguard the amplifier against overload and short circuit the device is there to protect the circuit. Along with it protection provided against reverse polarity Battery connections. Even though the change over from AC to Battery operations if batteries are connected, ensure the continuity of program All these features coupled with the extremely ease of operation combined with service accessibility has been optimised in the design.
