The new LD Premium Audio 3-stage CLASS-H SMPS amplifiers incorporate all the features to meet all your needs, whether you’re starting a P.A. amplifier project from scratch or just need to upgrade your present sound reinforcement equipment.
In the LD Premium amps, you’ll find four 2-channel models, all offering ample power levels at low distortion in the range 1.5 to 6 kW, yet weighing in at around 8 kg and just 30 cm deep.

Model Name:	SP2K4
Output Power 1 kHz, <0,05 % THD: 2 Ω	2 x 1190 W
4 Ω	2 x 790 W
8 Ω	2 x 460 W
Bridge at 4 Ω	2380 W
Bridge at 8 Ω	1580 W
Output Circuity:	Class H
Frequency Range (power bandwidth ± 0.25 dB):	20 Hz - 20 kHz
THD (20 Hz - 20 kHz):	< 0.05 %
S/N Ratio:	112 dB
Damping Factor (20 Hz - 500 Hz at 8 Ohm):	> 500
Crosstalk (20 Hz – 20 kHz):	> 75 dB
Voltage Gain (selectable):	26/32/38 dB
Input Sensitivity:	3.0/1.5/0.8 V
Protection:	Soft-start, Turn-on Turn-off transients, Muting at turn-on, Over-heating, DC, RF, Short-circuit, Open or mismatched loads, Overloaded power supply, ICL (Inteligent Clip Limiting), PMS (Power Management System), SSP (SOA Sentry Protection)
Controls:	On / Off Switch, Volume, Voltage Gain, Dual / Link Switchable, Bridge Mode Configuration Switch
Indicators:	Signal, Temperature, ICL (Inteligent Clip Limiting), PMS (Power Management System)
Connectors: Input:	2 x XLR
Line Output:	2 x XLR
Speaker Output:	2 x Speakon
Power Supply:	SMPS
Dimensions (WxHxD):	483 × 88.9 × 310 mm / 19 × 3.5 ×12.2 inches
Weight:	8 kg