A-3548D Digital Mixer Amplifier

The A-3500D series is a PA amplifier with emergency and priority paging, remote zone control. It is equipped with 4 microphone inputs and 1 auxiliary input and 2-channel zone selector, ideal for paging announcement and BGM applications in schools, offices and supermarkets.   Power Source 100 - 240 V AC, 50/60Hz Rated Output 480 W Power/Current Consumption 601 W (Rated output), 113 W (based on EN62368),  200 mA or less (when power switch is OFF) Frequency Response 50 Hz - 20 kHz ±3 dB (1/8 rated output) Distortion 1 % or less at 1 kHz, rated power (20 kHz LPF (AUX-0025)) Tone Control Bass: ±10 dB at 100 Hz Treble: ±10 dB at 10 kHz S/N Ratio 88 dB or more (Master volume: min.) 76 dB or more (Master volume: max.) 55 dB or more (INPUT 1 - 6) 72 dB or more (INPUT 7) (A-weighted) Audio Input INPUT 1, 2: -60 dB(*1)(MIC) / -20 dB (*1) (LINE) selectable, 600 Ω, electronically-balanced, removable terminal block (5 pins)/ø 6.3 mm phone jack (2P) Note: MIC inputs are equipped with phantom power (24V DC, ON/OFF switchable) INPUT 3: -60 dB(*1), 600 Ω, electronically-balanced, ø 6.3 mm phone jack (2P) INPUT 4: -60 dB(*1)(MIC) / -20 dB (*1) (LINE) selectable, 600 Ω, electronically-balanced, ø 6.3 mm phone jack (2P) INPUT 5: -20 dB (*1), 10 kΩ, unbalanced, RCA pin jack x 2 PWR AMP IN: 0 dB (*1), 600 Ω, unbalanced, RCA pin jack Audio Output Speaker out: Low impedance (4 - 16 Ω) /                      High impedance (DIRECT, ZONE 1, ZONE 2: 100 V / total 21 Ω), removable terminal block (6 pins)                     (ZONE 1 / ZONE 2 is selectable, max. 480 W per output) Rec out: 0 dB(*1), 600 Ω, unbalanced, RCA pin jack Line out 1, 2: 0 dB (*1) , 600 Ω, unbalanced, RCA pin jack (Interlock with zone selection is possible) Control Input 2 channels. no-voltage make contact input, open voltage: 35 V DC or less,  Short circuit current: 10 mA or less, removable terminal block (5 pins) ZONE CONTROL IN: No-voltage make contact input, even voltage: 35 V DC or less,  short-circuit current: 10 mA or less, removable terminal block (4 pins) Control Output POWER REMOTE OUT: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins) EMERGENCY OUT: Open collector output, withstand voltage 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins) ZONE CONROL OUT: Open collector output (polarized), withstand voltage 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins) Indicator 5-point LED output level meter, Power LED, Priority LED, Emergency LED, Thermal protection LED, Over current protection indicator LED, Zone 1 LED, Zone 2 LED Operating Temperature -10°C to +40°C Operating Humidity 85 %RH or less (no condensation) Finish Panel: ABS resin, black Case: Surface-treated steel plate, black, paint Dimensions 420 (W) × 96.1 (H) × 313.1 (D) mm Weight 5.1 kg  Accessory Power Cord (2 m) x 1, Audio Input Removavble Terminal Plug (3.81 mm, 5 pins) x 2, Control I/O Removable Terminal Plug (3.81 mm, 4 pins) x 2, Remote Control Removable Terminal Plug (3.5 mm, 4 pins) x 1, Speaker Out Removable Terminal Plug (5 mm, 6 pins) x 1, Volume Control Cover x 4 Option Rack mounting bracket: MB-25B Perforated panel: PF-013B