1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Marantz Model M1 Wireless Streaming Amplifier. The Model M1 is designed to deliver high-quality audio performance with versatile streaming capabilities and HEOS Built-in technology. Please read this manual thoroughly before using the product to ensure proper and safe operation.
2. Safety Instructions
To prevent electric shock, fire, or damage to the unit, observe the following safety precautions:
- Do not expose this appliance to rain or moisture.
- Do not remove the cover or back panel. There are no user-serviceable parts inside. Refer all servicing to qualified service personnel.
- Do not block ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Ensure the power supply voltage matches the voltage indicated on the rear panel of the unit.
3. Package Contents
Verify that all items listed below are included in your package:
- Marantz Model M1 Wireless Streaming Amplifier
- Power Cord
- Quick Start Guide
- Safety Instructions
4. Product Overview
4.1 Front Panel
Figure 4.1: Front view of the Marantz Model M1 amplifier, showing the Marantz logo, play/pause button, and volume controls.
- Marantz Logo: Indicates the brand.
- Volume Controls (-/+): Adjust the output volume.
- Play/Pause Button: Controls media playback.
- Status Indicator Light: Displays the operational status of the unit.
4.2 Rear Panel
Figure 4.2: Rear view of the Marantz Model M1 amplifier, detailing all input and output ports.
- CONNECT Button: Used for network setup.
- NETWORK Port (Ethernet): For wired network connection.
- USB Terminal (5V/1A): For connecting USB storage devices.
- TV (HDMI eARC/ARC) Input: Connects to a TV's HDMI ARC/eARC port for audio return.
- OPTICAL IN: Digital optical audio input.
- AC IN: Power cord connection.
- SPEAKERS Terminals (L/R): Connect passive speakers (4-16Ω impedance).
- LINE IN (R/L): Analog RCA stereo input.
- SUB OUT: Subwoofer pre-out for connecting an active subwoofer.
- FLASHER IR IN: For external IR receiver connection.
4.3 Top Panel
Figure 4.3: Top view of the Marantz Model M1 amplifier, showing the ventilation grille.
The top panel features a ventilation grille designed to ensure proper airflow and heat dissipation for optimal performance and longevity of the unit.
5. Setup
5.1 Connecting Speakers
Connect your passive speakers to the SPEAKERS terminals on the rear panel. Ensure correct polarity (+ to + and - to -) for both left and right channels. The Model M1 supports speakers with an impedance of 4-16Ω.
Figure 5.1: Detailed view of the speaker and input terminals on the rear panel.
5.2 Connecting a Subwoofer
For enhanced bass, connect an active subwoofer to the SUB OUT port using an RCA cable.
5.3 Connecting to a TV (HDMI eARC/ARC)
Connect an HDMI cable from the TV (HDMI eARC/ARC) input on the Model M1 to the HDMI ARC/eARC port on your television. This allows audio from your TV to be played through the amplifier.
5.4 Other Audio Inputs
- OPTICAL IN: Connect digital audio sources like a CD player or game console using an optical cable.
- LINE IN (R/L): Connect analog audio sources such as a turntable (with a phono pre-amp) or another audio player using RCA cables.
- USB Terminal: Connect a USB storage device to play audio files.
5.5 Network Connection
The Model M1 can connect to your home network via Wi-Fi or Ethernet.
- Wired Connection: Connect an Ethernet cable from your router to the NETWORK port on the Model M1.
- Wireless Connection: Follow the instructions in the HEOS app for Wi-Fi setup.
5.6 Initial Setup with HEOS App
The Marantz Model M1 utilizes the HEOS app for comprehensive control and setup. Download the HEOS app from your device's app store (iOS or Android). Follow the in-app instructions to connect your Model M1 to your network and configure settings.
6. Operating Instructions
6.1 Basic Operation
- Power On/Off: Connect the power cord to the AC IN port and a wall outlet. The unit will power on automatically or can be controlled via the HEOS app.
- Volume Adjustment: Use the +/- buttons on the front panel or the HEOS app to adjust volume.
- Playback Control: Use the Play/Pause button on the front panel or the HEOS app for media playback control.
6.2 Using the HEOS App
The HEOS app is the primary interface for controlling your Model M1. It allows you to:
- Browse and play music from various streaming services.
- Access music stored on your local network or USB drive.
- Create and manage multi-room audio setups with other HEOS-enabled devices.
- Adjust audio settings, including bass, treble, and subwoofer output.
- Select input sources.
6.3 Streaming Music
Once connected to your network, you can stream music from popular services integrated within the HEOS app. Follow the app's instructions to link your accounts and start streaming.
6.4 TV Audio Playback
When connected via HDMI eARC/ARC, the Model M1 will automatically play audio from your TV. Ensure your TV's audio output is set to the HDMI ARC/eARC port and that CEC functions are enabled if you wish to control volume with your TV remote.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or solvents.
- Firmware Updates: Marantz periodically releases firmware updates to improve performance and add features. These updates are typically managed through the HEOS app. Ensure your unit is connected to the internet for automatic updates or check for updates manually via the app settings.
- Ventilation: Ensure the ventilation openings on the top and sides of the unit are not blocked to prevent overheating.
8. Troubleshooting
If you encounter issues with your Marantz Model M1, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound output. | Incorrect input selection, loose speaker connections, muted volume. | Verify input source in HEOS app. Check speaker wire connections. Increase volume. |
| Unit does not power on. | Power cord not connected, power outlet issue. | Ensure power cord is securely connected. Test the outlet with another device. |
| Cannot connect to network. | Incorrect Wi-Fi password, router issue, unit too far from router. | Re-enter Wi-Fi password. Restart router. Move unit closer to router or use wired Ethernet. |
| HEOS app cannot find the unit. | Unit not on the same network, network issues. | Ensure your mobile device and Model M1 are on the same network. Restart both devices. |
| Subwoofer output affected by High Pass Filter (HPF) settings. | Known firmware issue (as of August 2024). | Marantz has confirmed this issue and plans to address it in a future firmware update. Ensure your unit's firmware is up to date. |
If the problem persists, please contact Marantz customer support.
9. Specifications
| Brand | Marantz |
| Model Number | MODELM1/U1B |
| Output Power | 100 Watts per channel |
| Number of Channels | 2 |
| Speaker Impedance | 4-16Ω |
| Product Dimensions (L x W x H) | 9.41 x 8.54 x 3.31 inches (23.9 x 21.7 x 8.4 cm) |
| Item Weight | 6.89 pounds (3.12 kg) |
| Material | Plastic, Metal, Circuit Boards |
| Mounting Type | Tabletop |
| UPC | 747192140786 |
10. Warranty and Support
Marantz products are covered by a limited warranty. For detailed warranty information, please refer to the warranty card included with your product or visit the official Marantz website. For technical support, product registration, or service inquiries, please contact Marantz customer support through their official channels.
Marantz Official Website: www.marantz.com
