SPECIFICATION

AD-1.4

AD-1.8

AD-3.0

AD-3.6

AD-4.0

8Ω Stereo Output Power

400W

700W

900W

1100W

1300W

4Ω Stereo Output Power

600W

1050W

1350W

1650W

1950W

8Ω Bridge Output Power

1200W

2100W

2700W

3300W

3900W

4Ω Bridge Output Power

5200W

Frequency Response

20Hz-20KHz

THD+N(20Hz-20KHz)

<0.05%

<0.05%

<0.08%

<0.08%

<0.08%

Slew Rate

30V/μs

30V/μs

35V/μs

40V/μs

44V/μs

Damping Factor(8Ω, 20Hz-1KHz )

>250

>300

>300

>300

>400

Voltage Gain (8Ω rated power)

36dB

38.2dB

40.2dB

40.8dB

42.4dB

Output circuitry

Class AB

Class H

Class H

Class H

Class H

Signal to Noise Ratio

≥95dB

≥95dB

≥98dB

≥100dB

≥102dB

Crosstalk(20Hz-20KHz)

>70dB

Input Sensitivity (8Ω)

 0.775V/1.0V/1.4V RMS

Input Impedence

20KΩ balance / 10 KΩ unbalance

Cooling

Two variable speed fans, rear-to-front air flow

Connectors (each channel)

Input : XLR

Output: Speakon

Controls

Front: AC switch, CH 1 and CH2 gain knobs;

Rear: Sensitivity switch, GND switch, Stereo/Parallel/Bridge switch

30Hz low cut switch, clip limiter switch, 150 Hz low pass switch

Indicators

Front: POWER-blue LED, SIGNAL-green LED,

CLIP-Red LED, PRO-Red LED,

Rear: BRIDGE-orange LED

Amplifier Protection

Short circuit, thermal, overload, clip limiter, DC Voltage, soft start, ultrasonic and RF protection

Net Wight / Gross Weight

18kg/22.5kg

21kg/25.5kg

24kg/28.5kg

40kg/44.7kg

42kg/46.7kg

Demension (mm)

483x462x89mm

483x133x462mm

Packing dimensions

560x580x150mm

560x580x215mm

Power Requirements

100V, 120V, 220V, 240V, 50-60Hz