Powersoft K3 Non-DSP Amplifier for Sale | 2-Channel Professional Power Amplifier
The Powersoft K3 non-DSP amplifier for sale is a compact, high-output two-channel professional power amplifier designed for systems where loudspeaker processing is handled externally. Delivering up to 2,800 W per channel at 2 ohms, 2,600 W at 4 ohms and 1,400 W at 8 ohms, the K3 combines substantial amplifier output with a space-efficient 1U rack format. This non-DSP version is particularly suitable for touring companies, PA rental businesses and fixed installations that already use dedicated system processors, crossovers or loudspeaker controllers.
Unlike amplifier platforms that integrate signal processing, this version of the K3 focuses on professional power amplification, allowing system engineers to select and configure their preferred external DSP solution.
Powersoft K3 Non-DSP Power Output
The Powersoft K3 non-DSP amplifier for sale provides two independent high-power amplifier channels.
Output per Channel
| Load | Output Power |
|---|---|
| 2 Ω | 2 × 2,800 W |
| 4 Ω | 2 × 2,600 W |
| 8 Ω | 2 × 1,400 W |
| Bridged at 4 Ω | Up to 5,600 W |
These power figures make the K3 relevant to demanding professional systems where high output is required from a relatively small amplifier chassis.
2,600 Watts per Channel at 4 Ohms
At 4 ohms, the supplied specification is:
2 × 2,600 W
This provides substantial output for compatible professional loudspeaker configurations.
With both channels operating at the supplied 4-ohm rating, the amplifier provides 5,200 W of combined rated channel output.
The connected loudspeakers should always be matched to the amplifier using the correct impedance, crossover, limiting and system-processing settings.
2,800 Watts per Channel at 2 Ohms
For suitable low-impedance configurations, the K3 can deliver up to:
2 × 2,800 W at 2 Ω
This capability can be useful in professional systems where multiple compatible loudspeakers are connected to an amplifier channel.
Operating at low impedance increases system demands, so correct cabling, electrical supply, ventilation and loudspeaker configuration are important.
5,600-Watt Bridged Operation
The Powersoft K3 non-DSP amplifier can also be configured for bridged operation.
The supplied bridged rating is:
Up to 5,600 W at 4 Ω
Bridge mode combines the two amplifier channels to provide greater output to a single suitable load.
This can be useful for selected high-power applications, although the final configuration must remain within the requirements of both the amplifier and connected loudspeaker.
Non-DSP Version for External Processing
The defining characteristic of this listing is that it is the:
Non-DSP version
This matters because buyers searching specifically for a non-DSP Powersoft K3 often already have their preferred loudspeaker-management infrastructure.
External processors can handle functions such as:
- Crossover filters
- Equalization
- Delay
- Limiting
- Phase adjustment
- Loudspeaker presets
- System alignment
This gives professional system engineers the freedom to keep processing centralized rather than relying on DSP inside every amplifier.
Ideal for Existing Processor-Based Systems
A Powersoft K3 non-DSP amplifier for sale can make particular sense for systems already using dedicated processors.
For example, a rental company may have established loudspeaker presets stored on external system controllers.
Adding another non-DSP amplifier allows that company to retain the same signal-processing workflow while expanding available amplifier power.
It can also simplify equipment standardization across older professional systems.
Compact 1U Rack Design
One of the K3’s most important practical advantages is its compact form factor.
The amplifier occupies approximately:
1U of rack space
while weighing around:
8 kg
For touring and rental businesses, this allows substantial amplifier output to be packed into comparatively compact equipment racks.
Reducing rack size can improve transport efficiency, storage and handling between events.
Professional Class-D Amplification
The K3 uses high-efficiency amplification designed for professional audio applications.
Efficient power conversion helps reduce unnecessary heat generation while allowing substantial amplifier output from the compact chassis.
This becomes particularly important when several amplifiers are installed together inside a professional touring rack.
Power Factor Correction
The amplifier’s switch-mode power supply incorporates active Power Factor Correction (PFC).
This is particularly relevant for high-output professional equipment, where efficient interaction with the mains supply is important.
The supplied operating range is:
100–240 VAC
This supports use across different professional markets, subject to appropriate local mains infrastructure and electrical connections.
Balanced Analog Inputs
The non-DSP configuration is well suited to straightforward integration with external processors.
Balanced professional audio signals can be fed from a dedicated DSP or system controller into the amplifier.
This creates a simple signal chain:
Mixer → System Processor/DSP → Powersoft K3 → Loudspeakers
For experienced system engineers, this approach can provide considerable flexibility.
Professional Loudspeaker Connections
Speaker output is designed around professional connections suitable for touring and installed audio environments.
Correct cable gauge and connector wiring are particularly important when dealing with the high output capability of the amplifier.
System technicians should verify all cabling before operation.
Built-In Amplifier Protection
Although this is the non-DSP version, the amplifier still incorporates protection mechanisms for safe operation.
Protection functions cover conditions such as:
- Short circuit
- Excessive temperature
- DC faults
- Abnormal operating conditions
Front-panel status indicators allow technicians to monitor important amplifier conditions during operation.
Cooling for Professional Operation
The K3 uses temperature-controlled forced-air cooling.
Airflow is designed to manage internal temperature during demanding professional operation.
When the amplifier is rack-mounted, sufficient ventilation should be maintained according to the installation requirements.
This becomes especially important when several high-output amplifiers operate together.
Powersoft K3 for Professional Subwoofers
Subwoofer amplification is one of the strongest potential applications for the Powersoft K3 non-DSP amplifier for sale.
Its substantial 4-ohm and 2-ohm output can make it suitable for compatible professional subwoofer systems.
External DSP can then provide the required:
Low-pass filtering
High-pass protection
Limiters
Delay
Equalization
and other loudspeaker-specific processing.
This arrangement is particularly relevant to established professional PA systems that already use centralized loudspeaker controllers.
Line Array and Full-Range Applications
The K3 can also be considered for compatible line-array and full-range loudspeaker systems.
The non-DSP architecture does not restrict it to any single loudspeaker type because the necessary system processing can be performed before the signal reaches the amplifier.
That makes it useful for professional companies maintaining several different loudspeaker platforms.
Powersoft K3 Non-DSP for Touring
Touring companies benefit from high amplifier power density because every rack adds weight and occupies transport space.
The K3 combines:
Two high-output channels
with a
1U rack chassis
and approximately
8 kg weight
making it particularly relevant to professional mobile systems.
A Practical Amplifier for PA Rental Companies
Rental companies may prefer non-DSP amplifiers when processing is already standardized elsewhere in the system.
A K3 can therefore be used to expand amplifier inventory without requiring the business to change its existing processor configurations.
Potential rental applications include:
- Touring PA
- Festivals
- Concert systems
- Subwoofer packages
- Line-array systems
- Live venues
- Corporate productions
- Professional events
Fixed Installation Applications
The amplifier can also serve permanent professional installations.
Examples include clubs, theatres, entertainment venues and performance spaces where signal processing is handled by centralized system-management equipment.
The compact 1U format can be especially useful when equipment-rack space is limited.
Powersoft K3 Technical Specifications
| Specification | Details |
|---|---|
| Model | Powersoft K3 |
| Version | Non-DSP |
| Channels | 2 |
| Output @ 2 Ω | 2 × 2,800 W |
| Output @ 4 Ω | 2 × 2,600 W |
| Output @ 8 Ω | 2 × 1,400 W |
| Bridged @ 4 Ω | Up to 5,600 W |
| Frequency Response | 20 Hz–20 kHz |
| THD | <0.05% typical |
| Signal-to-Noise Ratio | >110 dB |
| Input Impedance | 10 kΩ balanced |
| Rack Format | 1U |
| Approx. Weight | 8 kg |
| Cooling | Variable-speed forced air |
| Power Supply | 100–240 VAC with active PFC |
| DSP | No onboard DSP |
Why Choose the Non-DSP Powersoft K3?
Not every professional system needs processing built into its amplifier.
If a business already operates external DSP units, a non-DSP K3 provides the amplification stage without unnecessarily duplicating the processing layer.
The result is a straightforward professional amplifier offering substantial output, compact dimensions and flexible integration with existing system controllers.
Buy Powersoft K3 Non-DSP Amplifier in Europe
Professional customers searching for a Powersoft K3 non-DSP amplifier for sale in Europe can consider this model for touring, PA rental, subwoofer, line-array and permanent-installation systems.
With up to 2 × 2,800 W at 2 Ω, 2 × 2,600 W at 4 Ω and 5,600 W bridged at 4 Ω, the K3 delivers substantial professional amplification from a compact 1U chassis while allowing external DSP equipment to handle loudspeaker processing.
Shipping can be arranged to supported destinations across Germany, France, the Netherlands, Italy and other European countries.
Frequently Asked Questions
Does the Powersoft K3 have built-in DSP?
This particular listing is for the non-DSP version, so loudspeaker processing should be handled externally.
How much power does the Powersoft K3 provide at 4 ohms?
The supplied specification is 2,600 W per channel at 4 Ω.
What is its output at 2 ohms?
The supplied output is up to 2,800 W per channel at 2 Ω.
Can the K3 operate in bridge mode?
Yes. The supplied specification indicates up to 5,600 W at 4 Ω in bridged operation.
Can I use an external DSP with the K3?
Yes. External processing is particularly appropriate for this non-DSP version.
Is it suitable for subwoofers?
Yes, provided the connected subwoofer system is compatible with the amplifier’s output and correctly configured through an appropriate external processor.
How much rack space does the K3 require?
The amplifier occupies approximately 1U.
Is the K3 suitable for touring?
Yes. Its high output and compact rack format make touring and professional rental systems relevant applications.











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