Audio Control Rialto 400 Amplifier

SKU Rialto 400

Audio Control Rialto 400 2.1 Channel Compact Amplifier and DAC



Available in

Online & Store

Please select variations.
Product Enquiry
Add to Wishlist
Add to Wishlist
own it from $10/wklearn more »

The AudioControl Rialto 400, is a compact, high-powered amplifier with a built-in audiophile-grade DAC (digital to analogue converter) designed specifically to provide greater performance and higher sound quality for all analogue and digital systems, including Sonos & HEOS home entertainment systems. The Rialto 400’s amplifier delivers over 100 watts of power per channel into 8 ohms and 200 watts per channel into 4 ohm loads AND CAN ALSO ACT AS A 400 WATT MONO-BLOCK. It features a built-in high-performance Wolfson® DAC that drastically improves audio quality, digital and analogue audio-systems can perform with better speakers across the home. This choice of an audiophile-quality DAC allows connected digital audio sources such as Apple TV, Pandora® and Spotify® to provide higher quality acoustics with clearer, more accurate analog signals during playback. The Rialto 400 is designed, engineered and manufactured in the rainforest of the Northwest USA somewhere North of Seattle! The Rialto 400 comes with AudioControl’s renowned 5-year warranty.


  • Compact Amplifier and Digital Analog Converter (DAC)
  • 2 Channels x 100 Watts at 8 Ohms
  • 2 Channels x 200 Watts at 4 Ohms
  • Stable Down to 3.6 Ohms
  • Bridgeable Mono Block at 400 Watts
  • 1 x Digital Optical & COAX Inputs
  • Analogue Stereo and Speaker Level Inputs
  • Input Priority for SMART Priority Switching
  • Subwoofer Output
  • Wolfson Digital Analogue Converter (DAC) For Audiophile Performance
  • AudioControl Patented AccuBASS™ Bass Response
  • 12v Trigger Input
  • Bridgeable
  • Headphone Input
  • Compact Size at 8.5”W x 5.4”D x 2.9”H
  • Available in Sierra White or Midnight Black
  • Remote Control Included



  • Digital Inputs: Optical Toslink, Coax S/PDIF 75 ohms
  • Analog Inputs: Stereo RCA x 1, Stereo Speaker Level, Setero 1/8″
  • Input Sensitivity: 230mV (RCA); 2.0V (Speaker Level)
  • Signal Sense Trigger Minimum: 10mV (RCA); 100mV (Speaker Level)


  • Amplifier Channels: 2
  • Power Output (8Ω): 100W per channel
  • Power Output (4Ω): 200W per channel
  • Minimum Speaker Load: 4Ω
  • Preamp Outputs: Mono RCA Subwoofer, Mono RCA Bridged


  • Signal to Noise Ratio: >95dB
  • Frequency Response: 20Hz-20kHz
  • Total Harmonic Distortion: 0.09%


  • 12 Volt Trigger Inputs: 1 (mini jack)


  • Power Consumption (typical usage): 40W
  • Power Consumption (maximum): 520W
  • Line Voltage: 100-120VAC/200‐240VAC Switchable

Weight & Dimensions

  • Dimensions: 8.5”W x 5.4”D x 2.9”H
  • Weight: 6.0lbs (2.7kg)

In The Box: 

  • Rialto 400
  • Power Cord
  • User Manual
  • Warranty Info
2.7000 kg

Black, White


Online, Store

Depth (mm)


Height (mm)



Audio Control Rialto 400

power output 4 ohm

200 Watts

power output 8 ohm

100 Watts


2 Channel Power Amplifier

Width (mm)


home theatre amplifiers

Power Amplifiers

powered channels

2 Channels

power output per channel

91 – 110 Watts per Channel

Brand Logo

Specialised in sound, Audio Control offers products for both your car and your home stereo system.
Experience sound differently.

Audio Control