Band | Brother |
Model | A-3648D |
Power Source | 100 - 240 V AC, 50/60Hz |
Rated Output | 480 W |
Power 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 (3 pins) Note: MIC inputs are equipped with phantom power (24V DC, ON/OFF switchable) INPUT 3, 4: -60 dB(*1), 600 Ω, electronically-balan |
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 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 |
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 voltag |
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, removab |
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 |
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 |
Weight | 5.2 kg |
The TOA A-3648D Digital Mixer Amplifier is a high-powered, multi-functional audio solution designed to meet the demands of large-scale sound systems in venues such as auditoriums, conference halls, houses of worship, and schools. With an impressive output of 480 watts, this digital mixer amplifier ensures powerful, clear, and balanced sound distribution, making it ideal for delivering impactful audio for announcements, speeches, or background music.
This versatile amplifier features multiple input channels, allowing you to connect microphones, line-level devices, and other audio sources. Its digital signal processing technology ensures superior sound quality, reducing noise and distortion even at high volumes. The A-3648D also offers easy-to-use controls for adjusting volume, tone, and other settings, making it accessible for both experienced audio technicians and novice users.
In addition, the amplifier comes with built-in protection against overloading, overheating, and short circuits, ensuring reliable performance even in demanding environments. For users in Bangladesh who require a powerful and reliable digital mixer amplifier, the TOA A-3648D delivers excellent sound quality, flexibility, and long-lasting durability for a wide range of audio applications.
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