TOA A3648D

TOA A3648D 480W 2 zone digital mixer amp, 7 input, selectable phantom power, 100 volt line / 8-16 ohm.


In Stock
SKU: A3648D Category: Tag:


TOA A3648D is one of TOA’s 3600D series PA amplifiers and provides maximum flexibility with up to seven inputs, 4 microphone and 3 auxiliary inputs, and a 2-channel zone selector.

With a choice of 4 models from 60w up to 480W of power no application is to small or to big.

The A-3600D Series mixer amplifier is ideal for paging announcement and BGM applications in schools, offices, and super markets.

Browser based control and monitoring from anywhere reduces your time troubleshooting and adjusting systems.

Feedback suppressor, input priorities, a sleek new appearance, and TOA’s legendary quality and reliability make this a perfect fit for background and foreground music, paging, and noise masking.


  • TOA class D amplifiers for maximum efficiency.
  • Feedback Suppressor (Dynamic feedback filters).
  • Speaker EQ (3 points equalizer).
  • Assignable input priorities.
  • Built-in pre-announce chime.
  • IP protocol available
A3606D 60W output power, high or low Z
A3612D 120W output power, high or low Z
A3624D 240W output power, high or low Z
A3648D 480W output power, high or low Z


Power Source 100 – 240 V AC
Rated Output 240 W
Power/Current Consumption 314 W (rated output)
Frequency Response 50 Hz – 20 kHz ±3 dB (1/8 rated output)
Distortion 1 % or less at 1 kHz
Tone Control Bass: ±10 dB at 100 Hz
Treble: ±10 dB at 10 kHz
Signal to Noise 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)
Audio Input INPUT 1
Note: MIC inputs are equipped with phantom power (24 V DC
Note: Equipped with phantom power (24 V DC
MIC: -60 dB (*1)
LINE: -20 dB (*1)
INPUT 7: -20 dB (*1)
PWR AMP IN: 0 dB (*1)
Input Bus INPUT 1 – 4 : BUS 1
Audio Output SPEAKER OUT: Low impedance (4 – 16 Ω)/
High impedance (DIRECT
(ZONE 1/ZONE 2 is selectable
REC OUT: 0 dB (*1)
Control Input 4 channels
REMOTE VOLUME: Removable terminal block (4 pins)
ZONE CONTROL IN: No-voltage make contact input
Control Output POWER REMOTE OUT: Open collector output
EMERGENCY OUT: Open collector output
ZONE CONTROL OUT: Open collector output
Chime 1-note
Indicators 5-point LED output level meter
Operating Temperature -10 ℃ to +40 ℃ (14 ゜F to 104 ゜F)
Operating Humidity 85 %RH or less (no condensation)
Finish Panel: ABS resin
Case: Surface-treated steel plate
Dimensions 420 (W) × 96.1 (H) × 313.1 (D) mm (16.54 x 3.78″ x 12.33)
Weight 5 kg (11.02 lb)
Accessory Power cord (2 m (6.56 ft)) …1
Option Rack mounting bracket: MB-25B
Perforated panel : PF-013B


A3600D_ Series_brochure