Power amplifier

D400-400W Two channel professional power amplifier.

Type: Passive

Product Details, Features, and Parameters:

Attribute	Details
Product Name	Two Channel Professional Power Amplifier
Channels	2 Channels
Output Power	400W (8 Ohms), 600W (4 Ohms)
Frequency Response	20Hz – 20kHz (+/- 1dB)
Signal-to-Noise Ratio	≥ 90 dB
Total Harmonic Distortion (THD)	≤ 0.05%
Input Sensitivity	0.775V / 1.0V / 1.4V adjustable
Damping Factor	≥ 200 (8 Ohms, 1kHz)
Cooling System	Dual Variable-Speed Fan Cooling
Protection Features	Overload, Short Circuit, Thermal, and DC Protection
Input Connections	Balanced XLR and 1/4" TRS Inputs
Output Connections	Speakon Connectors and Binding Posts
Power Supply	AC 220V / 50Hz or AC 110V / 60Hz
Build Material	Rugged Metal Chassis with Anti-Scratch Coating
Dimensions	482 x 340 x 88 mm (19-inch Rack Mountable)
Weight	Approx. 11 kg
Applications	Live Sound, DJs, Churches, Clubs, Theaters, Conference Rooms

Key Features and Benefits:

Feature	Benefit
Two-Channel Design	Powers two separate channels, providing stereo output or the ability to bridge for mono operation.
400W Power Output	Delivers 400W at 8 Ohms and 600W at 4 Ohms, ensuring sufficient power for small to medium-sized venues.
Wide Frequency Response	Covers 20Hz to 20kHz, delivering balanced sound across the full audio spectrum.
Low Total Harmonic Distortion (THD)	Ensures clean and accurate sound reproduction with minimal distortion.
Advanced Protection Features	Protects the amplifier and connected equipment from overload, short circuits, and thermal issues.
Efficient Cooling System	Dual fans with variable speed ensure the amplifier stays cool even during extended use.
Flexible Input Options	Features balanced XLR and 1/4" TRS inputs for compatibility with various audio sources.
Professional Output Connections	Equipped with Speakon connectors and binding posts for secure and reliable speaker connections.
Durable Construction	Rugged metal chassis with an anti-scratch finish ensures long-lasting performance.
Rack-Mountable Design	Standard 19-inch rack size for easy integration into professional sound systems.

Product Description:

The Two Channel Professional Power Amplifier is a compact yet powerful amplifier designed for professional audio setups. With an output of 400W at 8 Ohms and 600W at 4 Ohms, this amplifier provides reliable, distortion-free sound for live performances, DJs, and fixed venue installations.

Its dual-channel design allows you to run two independent channels or bridge the amplifier for mono operation, offering flexibility for various sound system configurations. Whether you're amplifying music, speech, or multimedia, this amplifier ensures superior audio performance with a frequency response of 20Hz to 20kHz and a total harmonic distortion of ≤ 0.05%, delivering clean and accurate sound.

The amplifier features advanced protection systems, including overload, short circuit, thermal, and DC protection, safeguarding both the amplifier and connected speakers during operation. This makes it ideal for demanding environments such as live events, clubs, and theaters where reliability is critical.

To maintain consistent performance, the amplifier is equipped with a dual variable-speed fan cooling system, which ensures efficient heat dissipation, even during prolonged use. The rugged metal chassis, finished with an anti-scratch coating, enhances durability and protects the amplifier from wear and tear, making it suitable for transport and challenging environments.

This amplifier offers flexible input options, including balanced XLR and 1/4" TRS inputs, allowing seamless integration with mixers, controllers, and other audio equipment. It also features Speakon and binding post outputs, providing secure and reliable connections to a wide range of speakers.

The compact and rack-mountable design (19-inch standard) makes it easy to install in professional audio racks, saving space and ensuring a clean, organized setup. Weighing only 11 kg, the amplifier is also portable and ideal for mobile DJs or event organizers.

Whether you're setting up sound for a church, conference room, club, or theater, the Two Channel Professional Power Amplifier delivers high-quality sound, reliable performance, and unmatched versatility, making it the perfect choice for audio professionals.

Two Channel Professional Power Amplifier
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Why Choose the Two Channel Professional Power Amplifier?

Superior Sound Quality: Wide frequency response and low THD provide crystal-clear audio for music, speech, and multimedia.
Reliable Power Output: Delivers consistent 400W power at 8 Ohms and 600W at 4 Ohms, perfect for small to medium-sized venues.
Comprehensive Protection: Advanced safety features protect both the amplifier and your sound system.
Durable Design: Built with a rugged metal chassis, ensuring long-lasting performance in demanding environments.
Versatile and Easy Integration: Compatible with multiple input and output options, making it ideal for various audio setups.

Applications:

Live Performances: Delivers powerful, distortion-free sound for concerts, gigs, and events.
DJs and Clubs: Provides clear and dynamic sound for parties and club environments.
Churches and Houses of Worship: Amplifies audio for sermons, music, and community events.
Theaters and Auditoriums: Enhances sound quality for plays, musicals, and presentations.
Conference Rooms: Ensures professional-grade audio for meetings, seminars, and corporate events.

Closing Thoughts:

The Two Channel Professional Power Amplifier is a compact yet powerful solution for audio professionals. With its high power output, reliable performance, and advanced features, this amplifier is designed to meet the demands of live sound, fixed installations, and mobile setups. Whether you're a DJ, sound engineer, or event organizer, this amplifier provides the power, clarity, and durability you need for exceptional audio performance.

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