Acurus ACT 4 // 11.3 HD Audio Pre-Amp Processor

Acurus ACT 4 // 11.3 HD Audio Pre-Amp Processor

$ 9,499.99

The ACT 4 represents a revolution in home cinema processors. Designed to be the headquarters of a modern ultra high definition home theater, the ACT 4 combines ultimate audio performance, control flexibility and the latest in HDMI and immersive surround processing technologies.

The ACT 4 also sets a new standard for ease of installation and use. An intuitive, full-color touch-sensitive front panel display simplifies setup and operation. Web-based setup and control enable operation of an ACT 4 powered theater from anywhere within the home via mobile phone or tablet computer. Both unbalanced and balanced outputs are included for flexibility in connectivity.

  • Free shipping on all orders.
Free 2 Day Air Shipping
Brand: Acurus


  • Modern Ultra-HD HDMI 2.0 interface
  • 7” Full-color touch-sensitive front panel interface
  • 8×2 HDMI with 4K and 3-D pass-thru
  • Supports HDCP 2.2
  • Quad TI DSP processors decode the latest HD AudioFormats including Dolby Atmos® and DTS:X
  • Hi-res Audio DACs support 192kHz/24bit on all digital inputs
  • Hardware and Firmware upgradeable enables futureformat and standards support
  • Ethernet, RS-232, 12V trigger in and out
  • 2 USB charging ports
  • Mobile device control with built-in web apps
  • Remote monitoring ready
  • Brushed aluminum finish with laser-engraved print!


  • Residential home theater
  • Multipurpose home theater/2-channel systems
  • Corporate media rooms
  • Professional multichannel mastering studios


  • Delivers superior home cinema audio
  • Up to 11.3 speaker configuration support
  • High-end 2-channel audio performance
  • Decodes the latest immersive surround audio formats
  • Integrates multiple ways with automation systems
  • Installation and setup simplified with built-in web app
  • Modern HDMI interface supports Ultra-HD formats
  • Ethernet, RS-232 and 12V trigger control automation
  • US-made helps ensure quality and reliability
  • 5 year warranty


ACT 4 Spec Sheet
THD (amplifier)<0.02% (20Hz – 20kHz)
Max Output3.5Vrms, 7Vrms (Sub out)
Frequency response20 – 20kHz ± 0.1dB
SNR110dB (A-wt.)
Power consumption70W (max), <1W (standby)
Front Panel Display7” touch-sensitive LCD
Serial2 x DB-9, Full 2-way control, 1 x USB A programming port
Charging Port2 x USB 5V, 2A
Ethernet1 x Ethernet, Web interface & 2-way IP control via UDP
12V1 x 3.5mm IN, 4 x 3.5mm OUT
Stereo analog audio inputs!4 x Gold-plated (RCA) L/R unbalanced, 1 x XLR L/R balanced
Stereo phono input1 x Gold-plated (RCA) L/R pair
Digital audio inputs3 x coax (RCA) and 3 x Optical
Multi-channel analog audio inputs1 set 8 Gold-plated (RCA) 7.1 configuration
Multi-channel analog audio outputs1 set 14 Gold-plated (RCA), 1 set 14 XLR 11.3 configuration
Surround FormatsDolby Atmos, DTS:X, up to 9.1.2
Post Processing
Loudspeaker AdjustmentsEQ (5 parametric), Delay, Polarity, Large/Small, Crossover Frequency
HDMI8 in x 2 out, 4K pass thru, HDCP2.2 (1 in, 1 out)
Product dimensions7” (17.8cm) x 17” (43.2cm) x 15.0” (38.1cm)
Rack height5 RU
Product weight30 lbs. (13.6kg)
FinishBlack satin anodized, laser-etched logo, white rear panel
Carton dimensions12” (25.4cm) x 22” (55.9cm) x 20” (50.8cm)

1 review for Acurus ACT 4 // 11.3 HD Audio Pre-Amp Processor

  1. Home Theater Review

    Home Theater Review

Add a review

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.