AudioControl
AUDIO CONTROL Rialto 400 Compact Amplifier & DAC
Best compact solution for audiophiles upgrading their home stereo systems.
Elevate your audio experience with the AudioControl Rialto 400, a compact 2.1 channel amplifier and DAC. This versatile unit seamlessly integrates a high-fidelity amplifier with a premium Wolfson DAC, delivering exceptional sound reproduction. It offers flexible power output options, including 100W per channel into 8 Ohms, and a dedicated subwoofer output for enhanced bass. With intelligent input switching and signal sensing, the Rialto 400 provides a sophisticated and convenient audio solution for any home.
$545.00
Owner Satisfaction
4.5
/ 5
Category Rank
1145
/ 1683
#1145 in Power Amplifiers
Price vs Category Average
-93%
Below average
Who it's for
- Audiophiles needing high power in a space-constrained setup
- Home theater owners integrating legacy systems without dedicated pre-outs
- Digital music listeners prioritizing high-resolution audio fidelity
Who should skip it
- Users with limited shelf space for proper heat dissipation
- Modern listeners requiring built-in wireless streaming capabilities
- Budget-conscious buyers seeking basic power at a lower cost
Performance breakdown
Power Versatility
Bridgeable output provides impressive flexibility for diverse speaker configurations.
DAC Fidelity
Wolfson chip delivers clean, high-resolution conversion for demanding digital sources.
Form Factor
Compact footprint fits easily into tight media consoles without sacrificing performance.
Bass Management
Dedicated subwoofer output ensures seamless integration for a full-range soundstage.
Operational Convenience
Intelligent signal sensing automates input switching for a truly hands-off experience.
Build Integrity
Robust construction reflects the high-quality engineering expected from AudioControl.
Key Specs
2.1 Channel Amplifier and DAC
100W per channel into 8 Ohms
200W per channel into 4 Ohms
400W mono into 8 Ohms
Wolfson DAC supporting 16-/24-bit audio
Sampling frequencies from 32 to 192 kHz
Subwoofer mono-summed preamp output
RCA input connectors
Features
- Compact 2.1 channel design
- Integrated high-performance Wolfson DAC
- Supports high-resolution audio
- Flexible power output options
- Dedicated subwoofer output
- Intelligent input switching
- Signal sensing for automatic input selection
- Enhances bass response
What customers say
The Audio Control Rialto 400 earns high marks for its impressive sound quality and powerful performance, all within a compact form. Users consistently highlight its clean, detailed audio and dynamic punch, noting its ability to easily power demanding speakers. The amplifier's 100W rating is often described as conservative due to its strong current delivery. Its integrated DAC is praised for preserving signal purity, and the build quality is seen as exceptionally durable, reflecting its premium nature. While the performance justifies the investment for many, the price is a factor. It's celebrated as a high fidelity workhorse ideal for compact, high performance audio systems.
Know before you buy
No, the Rialto 400 features a mono-summed preamp output for a subwoofer, which is designed to connect to an active (powered) subwoofer. It does not provide amplified power for a passive subwoofer.
The integrated Wolfson DAC is high-performance, supporting 16- and 24-bit audio with sampling frequencies up to 192 kHz. It is designed to provide clean, detailed sound reproduction for high-resolution digital sources.
With 100W per channel into 8 Ohms and 200W into 4 Ohms, the Rialto 400 has plenty of headroom to drive most floor-standing speakers effectively. Its compact size does not compromise its ability to deliver significant, clean power.
The unit uses signal sensing to automatically detect an active audio source and switch to it. This makes it convenient for systems where you frequently toggle between different digital or analog components.
Yes, the Rialto 400 is bridgeable, allowing you to configure it for 400W mono output into an 8 Ohm load. This is a great option if you need extra power for a single high-demand speaker or a specific mono application.
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