The Pa 900.4 from SKP is a professional amplifier designed especially for installations, this resistant and compact amplifier has the ability to amplify 4 independent zones without the need to use another amplifier, it is mainly used in shopping centers, auditoriums, hospitals, among others, for music environmental or paging. Each zone has a bass and treble equalizer and independent volume control, and also has 4 ¼” combo/plug inputs with phantom power and an RCA input.

• CHARACTERISTICS: Professional 4-zone amplifier.
• Independent gain, treble, bass and volume control per channel.
• 5 groups of VU meters for output and 2 RCA inputs It has 4 ¼” combo/plug inputs with phantom power -50dBV and Line: -10dBV.
• It has a -10dB unbalanced RCA input.
• It has phone search function and monitor output.
• It has an output power of 225w for 4 channels at 4ohms.
• It occupies 19” of a rack (3U size).
• Frequency response of 60 - 17000Hz.
• Its output impedance can be 4ohms, 8ohms.
• Constant voltage output: 25V, 70V, 100V.
• It has an output power in rms of 4 x 225w at 4ohms.
• Dimensions: 48x13x39cm.
• TECHNICAL SPECIFICATIONS Input sensitivity: CH1- 4:Mic / Phantom:-50dBV; Line: -10dBV balanced.
• CH5: -10dBV unbalanced.
• Telephone: -10dBV.
• Equalizer: Treble: 10dB at 10KHz.
• Bass: 10dB at 100Hz.
• Distortion: <1%.
• Its MIC signal/noise ratio: greater than 65dB.
• Line: greater than 75 dB.
• Tel: greater than 65dB.
• Function Priority in input 1 Silence CH2-CH5.
• Monitor output 1W RMS.
• Headphone Output 1V (47ohm).
• Line 2 Output.
• 0V(balanced).
• Line output for monitor 1V (600ohms).
• Power supply: AC 115V/230V 50Hz/60Hz switchable.