Amply Acurus ACT4 represents a revolution in 3D-audio home cinema processors. Designed to be the heart of a modern UHD home theater, the ACT 4 combines ultimate audio performance, control flexibility, and the absolute latest immersive sound technologies. With 20 channels of immersive audio the ACT 4 meshes the celebrated engineering of Acurus with the power of advanced cinema technology--all in perfect harmony.
Acurus ACT4 also sets a new standard for ease of installation and use. An intuitive, full-color, touch-sensitive front panel display simplifies setup and operation. Controllable via 3rd-party systems, the ACT 4 also offers web setup and control which enables operation of an ACT 4 theater from anywhere within the home via mobile device. The ACT 4 has both balanced and unbalanced outputs which allow for flexibility in any application.
Acurus ACT4 supports Acurus' own room correction technology, ASPEQT, a four-microphone acoustic optimization system which is incredibly simple to use, yet powerful enough for the most challenging cinema environments. An ACT 4 cinema tuned by ASPEQT defines the pinnacle in home entertainment.
Acurus ACT4 processor features 15 main outputs and 1 subwoofer output for native decoding and rendering of immersive audio streams with 4 additional subwoofer outputs for larger speaker layouts such as 9.5.6 or 9.7.4.
ACT 4 immersive audio processor benefits:
- Support for fully decoding and upmixing to the largest speaker layouts.
- Simplified setup via front panel or mobile device saves installation and setup time.
- Intelligent Auto Mode optimally fills all loudspeakers for any source format.
- Extensive layout support for handling a wide variety of listening situations.
- Proprietary system architecture delivers state-of-the-art immersive technology with an absolute devotion to sound purity and expression.
ACT 4 highlights:
- HDMI 2.0b (2.1 ready)
- natively decodes Dolby Atmos and DTS:X
- mobile control app
- 3rd party control drivers: Control4, Crestron, Elan, Josh.ai, RTI, Savant, URC
- fully upgradeable
| Electrical |
| Frequency response |
20 – 20kHz ± 0.1dB |
| SNR |
> 110dB (A-wt) |
| THD |
< 0.02% (20 – 20kHz) |
| Max output |
3.5V RCA, 7V XLR |
| Power consumption |
70W (max), 1W (standby) |
| Decoding and post processing |
| Native decoding |
Dolby Atmos up to 15.1/DTS:X up to 11.1 |
| Post processing |
Dolby Surround Upmixer, Neural:X upmixer |
| Loudspeaker adjust (i) |
delay, polarity, large/small, crossover |
| Loudspeaker adjust (ii) |
PEQ (5 bands + 2 shelving lters) |
| Modes |
auto, direct, party, night, stereo, DTS, Dolby |
| Audio/video |
| Stereo analog inputs |
3 x gold-plated RCA L/R unbalanced, 1 x XLR L/R balanced |
| Stereo phono input |
1 x gold-plated RCA L/R |
| Digital inputs |
3 x coax RCA, 3 x optical |
| Multi-channel analog inputs |
1 x gold-plated RCA in 7.1 configuration |
| Multi-channel analog outputs |
18 x gold-plated RCA, 20 x balanced (16 x XLR + 4 x AUX DB9) |
| Digital video inputs |
7 x HDMI 2.0b, 4k pass-thru (7 x HDCP 2.2) |
| Digital video outputs |
1 x HDMI 2.0 b HDCP2.2, 1x HDMI 1.4 |
| Control |
| Front-panel display |
7” LCD touch-panel |
| Serial |
2 x DB9, 2-way control, 1 x USBA programming port |
| Ethernet |
1 x ethernet, web interface + 2-way IP UDP control |
| 12V trigger and IR |
1 x 3.5mm IN, 4 x 3.5mm OUT, IR remote |
| Charging port |
2 x USB 5V, 2A |
| Physical |
| Product dimensions |
7” x 17” x 15” (17.8cm x 43.2cm x 38.1cm) |
| Product weight |
25 ilbs (11.3 kg) |
| Carton dimensions |
12” x 22” x 20” (25cm x 56cm x 51cm) |
| Carton weight |
30 lbs (13.6 kg) |
| Finish |
black satin anodization, laser-etched logo, white chassis |
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