A-3624D 240W Digital Mixer Amplifier 2-Zone / 7-Inputs

Product Features

• 2 zone control
• TOA class D amplification
• 4 configurable mic/line, balanced inputs, 2 balanced mic, and 1 unbalanced line input
• Feedback Suppressor (Dynamic feedback filters) 
• Speaker EQ (3 point equalizer) 
• Assignable input priorities 
• Built-in pre-announce chime 
• Web browser interface allows remote diagnostics and tablet control

Product Specifications

• Power Source:  100 - 240 V AC, 50/60Hz
• Rated Output:  240 W
• Power/Current Consumption:  
  • 314 W (Rated output), 70 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 (3 pins)
    • Note: MIC inputs are equipped with phantom power (24V DC, ON/OFF switchable)
  • INPUT 3, 4: -60 dB(*1), 600 Ω, electronically-balanced, removable terminal block (3 pins)
    • Note: MIC inputs are equipped with phantom power (24V DC, ON/OFF switchable)
  • INPUT 5, 6: MIC (BUS 1) / LINE (BUS 2) selectable 
    • MIC : -60 dB(*1), 600 Ω, electronically-balanced, removable terminal block (3 pins)
    • LINE: -20 dB (*1), 10 kΩ, unbalanced, RCA pin jack x 2
  • INPUT 7: -20 dB(*1), 10 kΩ, unbalanced, RCA pin jack x 2
  • PWR AMP IN: 0 dB (*1), 600 Ω, unbalanced, RCA pin jack
• Input Bus:  
  • INPUT 1 - 4: BUS 1
  • INPUT 5 - 6: BUS 1/BUS 2 selectable
  • INPUT 7: BUS 2
• Audio Output:
  • Speaker out: Low impedance (4 - 16 Ω) / 
    • High impedance (DIRECT, ZONE 1, ZONE 2: 100 V / total 42 Ω), removable terminal block (6 pins)
    • (ZONE 1 / ZONE 2 is selectable, max. 240 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:
  • 4 channels. no-voltage make contact input, open voltage: 35 V DC or less, 
  • Short circuit current: 10 mA or less, removable terminal block (4 pins)
  • REMOTE VOLUME: Removable terminal block (4 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, withstand voltage 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins)
• Chime:  1-note, 2-note, or ascending, 4-note chime, or None selectable with switch setting
• Indicator:  5-point LED output level meter, Power LED, LAN connect LED, Priority LED, Emergency LED, Thermal protection LED, Over current protection indicator LED, CPU RUN LED, Error 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 kg 
• Accessory:
  • Power Cord (2 m) x 1
  • Audio Input Removable Terminal Plug (3.81 mm, 3 pins) x 6
  • Control I/O Removable Terminal Plug (3.81 mm, 4 pins) x 4
  • Remote Control Removable Terminal Plug (3.5 mm, 4 pins) x 2
  • 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

^{(*1) 0 dB = 1 V}

What's in the Box?

• Power Cord (2 m) x 1
• Audio Input Removable Terminal Plug (3.81 mm, 3 pins) x 6
• Control I/O Removable Terminal Plug (3.81 mm, 4 pins) x 4
• Remote Control Removable Terminal Plug (3.5 mm, 4 pins) x 2
• Speaker Out Removable Terminal Plug (5 mm, 6 pins) x 1
• Volume Control Cover x 4

Optional Accessories

• MB25B Rack Kit
• PF-013B Perforated panel