Power Amplifier Omnitronic XPA-350 MK2 350W 2-Channel

The Omnitronic XPA-350 MK2 2-channel power amplifier delivers a total of 350W and is engineered for professional audio applications where dependable, steady amplification is required. Its compact, robust housing and standard speaker connectivity make it suitable for public address systems, live sound reinforcement and permanent installations. The unit offers two independent output channels, straightforward controls and compatibility with typical passive speaker systems, providing a practical solution for venues, events and fixed rigs.

Advantages

The amplifier combines a solid power rating with a durable metal chassis designed for continuous operation. Straightforward channel separation and reliable thermal and short-circuit protection help maintain consistent performance during extended use. The amplifier’s neutral tonal character and low-noise operation allow it to integrate with a variety of mixers and signal processors without coloring the source material. Its compatibility with common speaker impedances and conventional wiring simplifies installation and system design.

Suitable for

• Small to medium venues requiring two-channel power amplification
• Portable PA systems for events, presentations and DJ setups
• Fixed installations in bars, houses of worship, rehearsal rooms and conference spaces
• Use as a reliable power stage behind mixers and processors in live sound rigs

When it may not be suitable

This amplifier is intended for use with passive loudspeakers and conventional PA systems; it is not designed as a standalone powered speaker solution. For very large venues or systems that demand higher total output, a higher-power amplifier or multiple units may be necessary. Applications that require built-in digital signal processing, networking or speaker management will need additional outboard equipment because those features are not part of this basic power amplifier design.

Key specifications

• Channels: 2 independent output channels
• Total rated output power: 350 watts (combined)
• Cooling: ventilated metal chassis with internal cooling fans
• Protection: thermal, overload and short-circuit safeguards
• Inputs: balanced line-level inputs compatible with standard mixers
• Outputs: speaker-level outputs suitable for common passive speaker impedances
• Form factor: rack-mountable chassis size suitable for standard equipment racks

How to use

Connect the amplifier’s balanced inputs to the output of a mixer or signal processor using appropriate audio cables, matching levels to avoid clipping. Wire passive loudspeakers to the speaker outputs, observing correct polarity and impedance requirements. Power the unit from a stable AC source and allow ventilation space around the chassis to maintain cooling. Set channel gain controls conservatively and increase to the required level while monitoring signal indicators and speaker performance. Engage protection circuitry if an abnormal condition occurs and investigate before resuming operation.

What to consider before purchase

• Match amplifier output power and impedance compatibility to your speakers
• Confirm rack space and ventilation requirements for installation location
• Check required input connectors and cabling between mixer and amplifier
• Decide if additional speaker management or DSP is needed for your setup

Usage recommendations

For reliable performance, operate the amplifier within the recommended impedance range, avoid pushing channels into sustained clipping, and provide adequate ventilation. Use gain staging from source to amplifier and, when needed, incorporate a dedicated crossover or DSP for speaker protection and optimized system voicing.