A-3548D 480W 2 Zone Digital Mixer Amplifier TOA
The A-3548D is a class D mixer / amplifier with 480 watts output. It comes with emergency and priority paging, is equipped with 3 MIC/LINE inputs, 1 MIC input, 1 AUX input can be also used for music source. With 2-channel speaker zone selectors it is ideal for paging announcements and background music applications in retail shops, schools, offices and production facilities.- 480 W Class D mixer amplifier for high and low impedance speakers
- 5 Inputs: 1 Mic, 1 AUX, 3 x MIC / AUX (selectable) , 2 Phantom power
- 2 Zone speaker selector (high impedance only)
- 2 Line out, 1 Rec out
- 2 Zone control inputs / outputs
- 1 Emergency output
Specifications for product:
| A-3548D | |
|---|---|
| Power source | 100 – 240 V AC, 50 / 60 Hz |
| Rated output | 480 W |
| Frequency response | 50 Hz – 20 kHz (±3 dB (1/8 rated output) |
| Distortion | ≤ 1 % (at 1 kHz, rated power) |
| Power / current consumption | 601 W (at rated output), 113 W (EN62368-1) |
| Speaker output | direct, zones 1 & 2 |
| Amplifier | Class D |
| S/N ratio | 88 dB(A) (A-weighted) |
| Connectable microphones | 3 |
| Inputs | INPUT 1, 2: –60 dB* (MIC)/–20 dB* (LINE) selectable, 600 Ω, electronically-balanced, removable terminal block (3.81 mm, 5 pins)/ø6.3 mm phone jack (2P)
INPUT 3: –60 dB*, 600 Ω, electronically-balanced, ø6.3 mm phone jack INPUT 4: –60 dB* (MIC)/–20 dB* (LINE) selectable, 600 Ω, electronically-balanced, ø6.3 mm phone jack (2P) INPUT 5: –20 dB*, 10 kΩ, unbalanced, RCA pin jack x 2 PWR AMP:IN: 0 dB*, 600 Ω, unbalanced, RCA pin jack |
| 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 (3.81 mm, 5 pins);
ZONE control: No-voltage make contact input, open voltage: 35 V DC or less, short-circuit current: 10 mA or less, removable terminal block (3.81 mm, 4 pins) |
| Outputs | REC, LINE 1/1: 0 dBV, 600 ohms, unbalanced, RCA pin jack
SPEAKER direct, zones 1 and 2: 4-16 ohms in total or 100 V |
| Control output | Power remote, emergency, zone control: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (3.50 mm, 4 pins) |
| Operating temperature. | –10 to +40 °C |
| Operating humidity. | 85%RH or less (no condensation) |
| Dimensions. | 420 x 96 x 313 mm (W x H x D) |
| Finish. | ABS resin, Steel plate, paint, black |
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