PA 900.4

u$s979.99 u$s1,119.99
  • Brand: SKP Pro Audio
  • Product Code: 790368026844
  • Availability: In Stock


Multizone PA Amplifier for professional use.

It is designed as 3U height unit, built-in 4 independent power amplifier with RMS 225W. Through setting the zone switch, 4 zones can broadcast independently at the same time.


• 5 independent input channels, among which there are 4 MIC/LINE mixing inputs and 1 LINE input channel;

• Individual treble, bass and gain control per input channel.

• 4 independent amp output, with 4 OHM & 8 OHM rated impedance output & 25V/70V/100V rated voltage output in each amp.

• 225W x4 Individual output VU display in each amp.

• Phone out in front panel and monitor out in rear panel, easily operation.

• 1 telephone paging input interface.

• Priority broadcast function for telephone input and INPUT 1.

• Built-in fan with intelligent startup function, can reduce energy consumption and for heat dissipation.

Tecnical Specifications

Inputs Sensitivity: CH1- 4:Mic/Phantom:-50dBV; Line: -10dBV balance

                        CH5: -10dBV unbalance

                        Telephone paging: -10dBV

Frequency response: 60-17000Hz(-3dB)

Tone control:     Treble: 10dB at 10KHz

                    Bass: ±10dB at 100Hz

T.H.D.:               <1%

S/N ratio:     Mic. > 65dB

Priority for Mic-1: Line > 75dB

                        Tel. > 65dB

                        Mute CH2-CH5

Outputs impedance: 4Ω ,8Ω

Output constant voltage: 25V,70V,100V

Power output: RMS 225W X 4 (at 4Ω)

Monitor output: 1W RMS

Phone output: 1V (47Ω)

Line out: 2.0V(BAL)

Monitor Line out: 1V (600Ω)

Controls: 5 Gain controls for Ch1-5

                8 Volume controls for Ch1-5, tel. paging, monitor, phone

                4 Master volume control

                5 Trebel controls

                5 Bass controls

                4 Zone select switch for each channel

                4 Zone monitor select switch

                5 mute controls

                1 AC select switch

Indeicate LED: 5VU meters (LED type)

                        1 Power indicator

                        5 Mute indicators

Power Supply: 115/230V ~ 50/60Hz Selectable

Dimensions:(WxHxD) 19in(W)x5in(H)x15in(D)

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