Contents and categories

Display all

Contents and categories

Series

Search suggestions

Display all results

DSP 45 K RACK 4-Channel DSP Power Amplifier and Patchbay in 19" Rack Case

Item No.: LDDSP45KRACK
Series: DSP
Pre-loaded 3 U 19” rack case with power amp and patchbay
DSP 45K 4-channel power amplifier with 24-bit DSP
4 x 1,200 watts @ 4 and 2 ohms, 2 x 2,400 watts bridged @ 4 ohms
Integrated preset library for LD Systems loudspeakers
Patchbay with 4 x speakON, 4 x XLR/f, 2 x XLR/m, 1 x RJ45 Neutrik connectors
7 mm plywood case construction with high-quality hardware and front and rear lids
 

Contents and categories

Display all

Contents and categories

Series

Search suggestions

Display all results
Pre-loaded 3 U 19” rack case with power amp and patchbay
DSP 45K 4-channel power amplifier with 24-bit DSP
4 x 1,200 watts @ 4 and 2 ohms, 2 x 2,400 watts bridged @ 4 ohms
Integrated preset library for LD Systems loudspeakers
Patchbay with 4 x speakON, 4 x XLR/f, 2 x XLR/m, 1 x RJ45 Neutrik connectors
7 mm plywood case construction with high-quality hardware and front and rear lids
Description

This ready-to-use 3 U amp rack comes with LD Systems' DSP 45K power amplifier pre-wired to a patchbay providing convenient front panel input and output access. The rugged case with front and rear lids is made of 7 mm plywood with black film face and high-quality hardware.

Delivering 4 x 1,200 watts into 4 and 2 ohms, the amp features 24-bit signal processing and includes a preset library making it the perfect engine to power passive LD Systems loudspeakers such as Stinger® series models.

Specifications
General
Product type
Power Amplifiers
Type
19" / 3 HE
Weight
17,9 kg
LDDSP45K - LD Systems DSP 45 K RACK 4-Channel Power Amplifier with DSP
Product type
Power Amplifiers
Type
4-channel
Rated ouput power (1kHz @ 2 Ohms)
4 x 1200 W
Rated ouput power (1kHz @ 4 Ohms)
4 x 1200 W
Rated ouput power (1kHz @ 8 Ohms)
4 x 675 W
Height
89 mm
Rated ouput power (1 kHz @ 4 Ohms, bridged)
2 x 2400 W
Rated ouput power (1kHz @ 8 Ohms, bridged)
2 x 1200 W
High Z 70Vrms / 100Vpeak
4 x 1200
High Z 100Vrms / 140Vpeak
2 x 2400
Output circuitry
Class H
Frequency response
10 - 22000
Total Harmonic Distortion (THD)
< 0.05 % @ 1 kHz
Weight
7,9 kg
Signal-to-noise ratio
104 dB
Protection circuits
clip limiter , Short circuit , Multiband limiter , RMS speaker limiter , DC protection , Thermal protection , soft start , over-current
Controls
Direct access buttons , knob , On / off switch , Exit / lock button
Indicators
LC display
Line inputs
4
Line input connectors
Neutrik XLR
Line outputs
4
Line output connectors
Neutrik XLR
Loudspeaker outputs
4
Speaker output connections
Speakon
Cooling
2 fans, temperature controlled
Maximum Ambient Temperature
0 - 40 °C
Power supply
100 V AC - 240 V AC, 50 - 60 Hz , Switching power supply
Relative Humidity
< 80% (non-condensing)
Power consumption @ full load
1900 W
Width
482 mm
Depth
320 mm
Features
19" / 2 U , Active Power Factor Correction , DSP controlled
LDDSP45KPB - LD Systems DSP 45 K RACK 19" Patchbay for LDDSP45K
Product type
Power Amplifier Accessories
Connectors
2 x Neutrik XLR Chassis Connector , 4 x Neutrik Speakon , 4 x Neutrik XLR Chassis Socket , RJ45
Type
19" / 1 U
Length
483 mm
Height
44.5 mm
Depth
110 mm
Material
Steel
Material thickness
1.5 mm
Surface
Powder coated
Weight
1,5 kg
Downloads & links
Stories
24. Nov 2025
With LD Systems at Caravia Beach Hotel
24. Nov 2025
LD Systems and Cameo breathe new life into the Hull Ice Arena
24. Nov 2025
ICOA® presets available now for the LD Systems DSP 44/45 K power amplifiers