Tăng Âm Số 4 Kênh Công Suất 4x550W DA-550F

Power Source

220 - 240 V AC

Amplification System

Class D

Power Consumption

480 W (based on EN standards)
2750 W (rated output 4 Ω × 4)
1550 W (rated output 8 Ω × 4)

Input

4 circuits
10 kΩ
XLR-3-31 type connector
CH 1 mode ON/OFF switch (ON: CH 1 to All ch

Rated Output

4 channels: 550 W × 4 (4 Ω)
2 channels (BRIDGE): 1100 W × 2 (8 Ω)
M4 screw terminal

Frequency Response

20 Hz - 20 kHz (-2 dB

Total Harmonic Distortion

0.1 % (1 kHz)
0.15 % (20 Hz - 20 kHz)

Protection Circuit

Protection against excessive current flow due to overload
unusual DC voltage output
temperature rise at power amp. heat sink (100 ℃ (212 ゜F) or more)
temperature rise at power supply heat sink (80 ℃ (176 ゜F) or more)

S/N Ratio

100 dB (A-weighted)

Crosstalk

70 dB (A-weighted)

Control/Monitor

Control input: Power ON/OFF status of the individual channels
photocoupler input
Monitor output: Power ON/OFF status of the individual channels
Protection status of the individual channels
Fan operation status
photocoupler open collector output
control current: 12 mA or less
Connector: RJ-45 connector × 2
Connection cable: Shielded Category 5 twisted pair cable for LAN (CAT5-STP)
Maximum cable distance: 600 m (656.17 yd)

LED Indicator

Power (blue) × 1
Protect (red) × 4

Cooling

Forced air cooling

Operating Temperature

-10 ℃ to +40 ℃ (14 ゜F to 104 ゜F)

Operating Humidity

90 %RH or less (no condensation)

Finish

Panel: Aluminum
Case: Plated steel sheet

Dimensions

482 (W) × 88.4 (H) × 404.2 (D) mm (18.98 × 3.48" × 15.91)

Weight

9 kg (19.84 lb)

Accessory

Power cord (2 m (6.56 ft))
Rack mounting screw (with washer) …4