IMS-4 - Receiver MONITOR AUDIO - Free user manual and instructions
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| Product Type | Receiver |
| Brand | Monitor Audio |
| Model | IMS-4 |
| Dimensions (W x H x D) | 430 x 100 x 300 mm |
| Weight | 8 kg |
| Power Consumption | 300 W (max) |
| Power Output | 100 W per channel (7 channels) |
| Audio Decoding | Dolby Atmos, DTS:X, Dolby TrueHD, DTS-HD Master Audio |
| HDMI Inputs | 4 (HDMI 2.1) |
| HDMI Output | 1 (eARC) |
| Digital Audio Inputs | 2 optical, 1 coaxial |
| Analog Audio Inputs | 4 RCA (including phono) |
| Wireless Connectivity | Wi-Fi 5, Bluetooth 5.0, AirPlay 2 |
| Multi-room Audio | Yes (via Monitor Audio M-Stream) |
| Speaker Impedance | 4-16 ohms |
| Frequency Response | 20 Hz - 20 kHz (±0.5 dB) |
| Total Harmonic Distortion | < 0.05% |
| Signal-to-Noise Ratio | 105 dB |
| Remote Control | Included (IR and Bluetooth) |
| Power Supply | AC 100-240 V, 50/60 Hz |
| Standby Power Consumption | < 0.5 W |
| Maintenance | Clean with dry soft cloth; avoid solvents and liquids |
| Safety | Do not open the unit; keep ventilated; do not expose to moisture |
| Included Accessories | Remote control, power cord, HDMI cable, FM antenna |
Frequently Asked Questions - IMS-4 MONITOR AUDIO
How do I connect the IMS-4 receiver to my TV?
Use an HDMI cable from the receiver's HDMI output (eARC) to your TV's HDMI ARC/eARC input. Then select the correct input on your TV.
Can I use the IMS-4 with speakers other than Monitor Audio?
Yes, the receiver is compatible with most passive speakers with an impedance between 4 and 16 ohms. Ensure the total impedance per channel is within the specified range.
Does the IMS-4 support Dolby Atmos?
Yes, it supports Dolby Atmos and DTS:X for immersive 3D audio. For best results, use a 5.1.2 or 7.1.4 speaker configuration.
How do I set up multi-room audio?
Install the Monitor Audio M-Stream app on your smartphone. Connect the receiver to your Wi-Fi network, then use the app to group the IMS-4 with other compatible devices.
What should I do if the receiver overheats?
Ensure the receiver has proper ventilation – leave at least 10 cm of space above and on the sides. Reduce the volume if it runs hot continuously. If the issue persists, contact support.
Can I control the IMS-4 with a universal remote?
Yes, the receiver is compatible with most IR universal remotes. Use the codes provided in the manual, or program it via the learning function if available.
How do I update the firmware?
Go to the receiver's settings menu, select 'System Update', and choose 'Network Update'. Ensure the receiver is connected to the internet. Alternatively, download the firmware from the Monitor Audio website and use a USB drive.
What is the maximum power output per channel?
The IMS-4 delivers 100 watts per channel (8 ohms, 20 Hz-20 kHz, with 0.08% THD). For 4-ohm speakers, output may be higher.
How do I reset the receiver to factory settings?
Press and hold the 'Power' button and 'Tone' button simultaneously on the front panel for 5 seconds until 'Factory Reset' appears on the display. Confirm using the volume knob.
Is there a phono input for a turntable?
Yes, one of the RCA inputs is a phono input with built-in preamp for moving magnet (MM) cartridges. Select 'Phono' in the input settings.
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