The TOA A-3600D series is a versatile PA amplifier designed for paging announcements and background music applications in environments such as schools, offices, and supermarkets. It comes equipped with four microphone inputs and three auxiliary inputs, along with a 2-channel zone selector for flexible audio distribution.

The amplifier includes useful features such as volume control, priority function, chime function, and remote confirmation capability. It also supports a 2-channel input BUS system (BUS 1 and BUS 2) and incorporates signal processing functions for enhanced audio control. Overall, the A-3600D series offers a practical and efficient solution for multi-zone sound systems.

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 Removavble 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