Pricing and availability
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Average Price: $1,175
Standard/Professional
$299
$1500+
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Budget
Standard
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Price History
Based on price data from 6 merchants for "Avantone Pro CLA-400 800-Watt Power Amplifier". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash the power of precision with the Avantone Pro CLA-400 800-Watt Power Amplifier, a high-performance addition to any studio or live sound setup. Built with a classic Class A/B architecture, this amplifier is designed to deliver robust, transparent sound with very low distortion. Its convection-cooled design ensures silent operation, eliminating fan noise for optimal performance in studio environments. The CLA-400 is equipped to handle passive speakers with remarkable efficiency, making it a versatile choice for professional audio applications.
With its dual large VU meters and high-quality Japanese components, the CLA-400 is not just a powerhouse, but a piece of artistry that brings a touch of elegance to your rack. Its ability to operate in stereo, bridge, and parallel modes offers flexibility, while the toroidal transformer linear power supply ensures consistent, high-output performance. Whether you're powering medium to large studio monitors or looking for a reliable amplifier for live sound, the Avantone Pro CLA-400 stands as a testament to unwavering quality and performance.
Key Features:
- Class A/B amplifier suitable for passive speakers
- Convection-cooled design for silent operation
- Power output: 2x 540W at 4 Ohms, 2x 360W at 8 Ohms, 760W bridged at 8 Ohms
- Frequency response of 20Hz–20kHz, ±0.5dB
- Analog signal path with large VU meters for optical feedback
- 3 operational modes: Stereo, bridge, and parallel
- Inputs: 2 XLR with link output; Outputs: 2 Speakon sockets or banana connectors
- Signal-to-noise ratio: > 103dB
- THD (1kHz): <0.1%
Product specs
| Number of Channels | 2 |
| Power Class | Class AB |
| Watts/Side @ 8 ohms | 360W |
| Watts/Side @ 4 ohms | 540W |
| Watts Bridged | 760W @ 8 ohms |
| Cooling System | Convection |
| Inputs | 2 x XLRF (input), 2 x XLRM (link) |
| Outputs | 2 x speakON (output), 2 x Binding Posts (bridge) |
| Rack Spaces | 3U |
| Power Source | Standard IEC AC cable, 115V/230V select |
| Height | 5.25" |
| Depth | 18" |
| Width | 19" |
| Weight | 49 lbs. |
FAQs
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What type of cooling system does the Avantone Pro CLA-400 use?
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The Avantone Pro CLA-400 uses a convection cooling system, which allows for silent operation by eliminating the need for fans.
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How many channels does the Avantone Pro CLA-400 power amplifier have?
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The Avantone Pro CLA-400 is a 2-channel power amplifier, making it suitable for stereo applications or bi-amping setups.
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What is the power output of the Avantone Pro CLA-400 at 8 ohms?
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The Avantone Pro CLA-400 delivers 360 watts per side at 8 ohms, providing ample power for studio monitors or passive speakers.
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What are the input and output options on the Avantone Pro CLA-400?
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The Avantone Pro CLA-400 features 2 XLR female inputs and 2 XLR male link outputs for input connectivity, and 2 speakON outputs along with binding posts for output.
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Is the Avantone Pro CLA-400 suitable for studio reference use?
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Yes, the Avantone Pro CLA-400 is designed as a studio reference amplifier, offering high-quality, reference-grade power for critical listening environments.
Reviews
PROS
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Exceptionally quiet with no fan noise, ideal for noise-sensitive environments
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Provides outstanding sound and tone quality for a variety of setups
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Complements both PA systems and high-end audiophile speakers
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Convection-cooled design avoids the pitfalls of fan or active cooling
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Offers substantial power with over 500 watts at 4 ohms, enhancing speaker performance
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Maintains a cool temperature even after extended use
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Delivers a wide and deep soundstage with impactful bass
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Highly versatile, suitable for both studio monitors and live sound applications
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Considered a worthy replacement for older, well-regarded amplifiers
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Non-class D design preferred by those dissatisfied with typical pro audio offerings
CONS
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Avantone Pro CLA-400 800-Watt Power Amplifier.
Comparisons
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The Avantone CLA-400 is compared to the NAD C298 Purifi amp, highlighting its clean power but potentially sterile sound without a warmer preamp or input buffer.
Source
Mods and upgrades
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Owners suggest using a non-stock input buffer to counteract the sterile sound of the Avantone CLA-400, particularly if paired with highly resolving speakers like Magnepan MG 12s.
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Use cases and applications
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The Avantone CLA-400 is noted as being suitable for use with almost 20-year-old Magnepan MG 12 speakers, indicating its ability to drive demanding speaker loads effectively.
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Features and functionality
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While not directly mentioned, the discussion implies that the CLA-400's clean output might benefit from a tube preamp or certain solid-state preamps to add warmth.
Source
Based on 0 Reviews and 0 Ratings
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