Vonyx VDA500 - Class D Stereo Power Amplifier 2x 250W (Rack 19" 1U)
Discover the perfect balance of power, portability, and efficiency with the Vonyx VDA500 . This stereo power amplifier has been meticulously designed to meet the demands of modern audio professionals, integrating advanced Class D amplification technology . Unlike traditional, heavy, and bulky power amplifiers, the VDA series delivers superior power performance in an incredibly compact and lightweight format, without sacrificing sound quality or reliability.
With an effective output power of 2 x 250W at 4 Ohms , this unit is capable of driving a wide range of passive speakers, delivering a clean, dynamic, and punchy sound. Its low-profile chassis, occupying only one rack unit ( 1U ), makes it the ideal choice for racks where space is at a premium, allowing for tidier installations and much easier transport of mobile systems.
Versatility is key to the Vonyx VDA500. The rear panel is equipped with combo inputs (XLR and 6.3mm jack), making it easy to connect mixing consoles, controllers, or audio interfaces directly without complicated adapters. Furthermore, its quiet operation and low heat generation make it suitable not only for the stage but also for noise-sensitive environments such as recording studios or commercial installations.
Main Features
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High Efficiency Class D Technology: Maximizes power output while reducing electricity consumption and heat emission, ensuring a long component lifespan and stable operation.
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Ultra Compact 1U Design: Its single rack unit format (approx. 44.5 mm high) saves valuable space in your equipment cabinet or flight case.
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Professional Connectivity: Features hybrid XLR and 6.3mm jack inputs for total flexibility, and NL-4 speaker outputs (compatible with Speakon) with safety lock.
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Visual Monitoring: The front panel includes independent LED indicators per channel for signal and clip, allowing instant visual control of performance to avoid distortions.
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Extreme Portability: Weighing only 2.6 kg, it is one of the lightest power amplifiers in its class, ideal for mobile DJs and technicians who need to set up and take down equipment frequently.
Product Benefits
The Vonyx VDA500 is more than just an amplifier; it's a solution to common weight and space problems. For the mobile sound engineer or DJ , the dramatic weight reduction means less tiring setups and more economical transport. For the permanent installer , the ability to mount multiple units in a confined space without overheating issues is a critical advantage.
Furthermore, its low-noise architecture ensures the music takes center stage, eliminating annoying hum during quiet moments, which is essential for background music or spoken presentations. Built-in overload protection safeguards your investment, ensuring that signal spikes won't damage the equipment.
Use Cases
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Mobile DJs and Disco Mobiles: Perfect for powering full-range speakers at weddings, private parties, and corporate events where easy transport is vital.
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Fixed Installations in Hospitality: Ideal for bars, restaurants, pubs and cafes that require background or ambient music with a discreet installation that takes up little space in the rack.
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Recording Studios and Home Studios: Its quiet operation makes it suitable for powering passive reference monitors without introducing ventilation noise into the control room.
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Conference Rooms and Small Auditoriums: Provides clear and reliable amplification for voice and public address systems.
Frequently Asked Questions
Can I connect this amplifier to any passive speaker?
Yes, provided the speakers can handle the power and operate within an impedance of 4 to 8 ohms. It's ideal for mid-sized PA speakers.
Is it necessary to leave ventilation space in the rack?
Although Class D technology generates less heat, it is always advisable to leave a minimum of space or ensure adequate airflow, especially if several units are installed together in a closed rack.
Are the NL-4 outputs compatible with standard Speakon cables?
Yes, NL-4 connectors are the industry standard and are fully compatible with 2- and 4-pole Speakon speaker cables.
Project description
Professional 2-channel stereo power amplifier with high-efficiency Class D technology. It delivers 2 x 250W output at 4 ohms and 2 x 180W output at 8 ohms. Designed for standard 19-inch rack mounting in 1U. Features XLR/6.3mm combo inputs and NL-4 speaker outputs. Includes front-panel LED indicators for signal and clip monitoring. Frequency response is 20Hz to 20kHz with a signal-to-noise ratio greater than 95dB and THD less than 0.5%. Net weight 2.6 kg and AC 220-240V power supply.
