MRA 150 - Receiver INFINITY - Free user manual and instructions
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| Product Type | AV Receiver |
| Brand | Infinity |
| Model | MRA 150 |
| Dimensions (W x H x D) | 17.2 x 5.5 x 13.8 in |
| Weight | 18.5 lb |
| Power Output | 100W per channel (7 channels) |
| Total Harmonic Distortion | < 0.05% |
| Frequency Response | 20 Hz - 20 kHz |
| Signal-to-Noise Ratio | 100 dB |
| Supported Audio Formats | Dolby Atmos, DTS:X, Dolby TrueHD |
| HDMI Inputs | 6 |
| HDMI Outputs | 2 (Main + Zone 2) |
| USB Input | Yes (for audio playback) |
| Optical Inputs | 2 |
| Coaxial Input | 1 |
| Analog Audio Inputs | 4 pairs (RCA) |
| Wireless Connectivity | Wi-Fi, Bluetooth |
| Streaming Services | Spotify, Tidal, Deezer |
| AM/FM Tuner | Yes |
| Remote Control | Included |
| Power Consumption | 600 W (max) |
| Standby Power Consumption | < 0.5 W |
| Color | Black |
| Warranty | 2 years |
| Additional Features | Multi-room audio, auto calibration, ECO mode |
Frequently Asked Questions - MRA 150 INFINITY
How do I connect speakers to the MRA 150?
Connect speaker wires to the binding posts on the back panel. Ensure proper polarity (+ to red, - to black) and impedance (typically 4-8 ohms).
How do I set up HDMI devices?
Plug HDMI cables into the HDMI inputs (e.g., Blu-ray, game console) and connect the HDMI output to your TV. Use the remote to select the corresponding input source.
How do I perform automatic speaker calibration?
Press the Setup button, navigate to 'Speaker Setup', select 'Auto Calibration', and follow on-screen instructions. The receiver will use the included microphone to optimize speaker levels and distances.
How do I connect via Bluetooth?
Press the Bluetooth button on the remote or front panel. Enable Bluetooth on your device and select 'Infinity MRA 150' from the list. Once paired, audio will stream wirelessly.
How do I reset the receiver to factory settings?
With the unit on, press and hold the Power button for 5 seconds until 'Factory Reset' appears. Confirm with the Enter button. All settings will be cleared.
How do I update the firmware?
Connect the receiver to the internet via Wi-Fi or Ethernet. Go to 'Setup' > 'System' > 'Firmware Update' and select 'Update Now'. The receiver will download and install the latest firmware.
How do I adjust sound modes?
Press the Sound Mode button on the remote repeatedly to cycle through options like Dolby Atmos, Stereo, Direct, or Movie. Choose the one that suits your content.
How do I use multi-zone audio?
Assign a second pair of speakers to Zone 2 using the speaker terminals. In 'Setup' > 'Zone Control', enable Zone 2 and select a source. Use the remote to control volume independently.
Can I connect a turntable?
Yes, connect your turntable’s RCA cables to one of the analog audio inputs. If your turntable has a phono output and the receiver lacks a phono input, you will need an external phono preamp.
What should I do if there is no sound?
Check that the receiver is set to the correct input source and that speakers are properly connected. Ensure volume is not muted and that the speaker terminals are securely tightened. Also verify that your source device is outputting audio.
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